| /* vms-tir.c -- BFD back-end for VAX (openVMS/VAX) and |
| EVAX (openVMS/Alpha) files. |
| Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2005, 2007, |
| 2008, 2009 Free Software Foundation, Inc. |
| |
| TIR record handling functions |
| ETIR record handling functions |
| |
| Go and read the openVMS linker manual (esp. appendix B) |
| if you don't know what's going on here :-) |
| |
| Written by Klaus K"ampf (kkaempf@rmi.de) |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| MA 02110-1301, USA. */ |
| |
| /* The following type abbreviations are used: |
| |
| cs counted string (ascii string with length byte) |
| by byte (1 byte) |
| sh short (2 byte, 16 bit) |
| lw longword (4 byte, 32 bit) |
| qw quadword (8 byte, 64 bit) |
| da data stream */ |
| |
| #include "sysdep.h" |
| #include "bfd.h" |
| #include "bfdlink.h" |
| #include "libbfd.h" |
| #include "vms.h" |
| |
| static int check_section (bfd *, int); |
| static void image_set_ptr (bfd *abfd, int psect, uquad offset); |
| static void image_inc_ptr (bfd *abfd, uquad offset); |
| static void dst_define_location (bfd *abfd, uquad loc); |
| static void dst_restore_location (bfd *abfd, uquad loc); |
| static unsigned int dst_retrieve_location (bfd *abfd, uquad loc); |
| static void dst_check_allocation (bfd *abfd, unsigned int size); |
| static void image_dump (bfd *abfd, unsigned char *ptr, int size, int offset); |
| static void image_write_b (bfd *abfd, unsigned int value); |
| static void image_write_w (bfd *abfd, unsigned int value); |
| static void image_write_l (bfd *abfd, unsigned long value); |
| static void image_write_q (bfd *abfd, uquad value); |
| static bfd_boolean etir_sta (bfd *, int, unsigned char *, int *); |
| static bfd_boolean etir_sto (bfd *, int, unsigned char *, int *); |
| static bfd_boolean etir_opr (bfd *, int, unsigned char *, int *); |
| static bfd_boolean etir_ctl (bfd *, int, unsigned char *, int *); |
| static bfd_boolean etir_stc (bfd *, int, unsigned char *, int *); |
| static asection *new_section (bfd *, int); |
| static int alloc_section (bfd *, unsigned int); |
| static int etir_cmd (bfd *, int, unsigned char *, int *); |
| static int analyze_tir (bfd *, unsigned char *, unsigned int); |
| static int analyze_etir (bfd *, unsigned char *, unsigned int); |
| static unsigned char *tir_opr (bfd *, unsigned char *); |
| static const char *tir_cmd_name (int); |
| static const char *cmd_name (int); |
| |
| |
| static int |
| check_section (bfd * abfd, int size) |
| { |
| bfd_size_type offset; |
| |
| offset = PRIV (image_ptr) - PRIV (image_section)->contents; |
| if (offset + size > PRIV (image_section)->size) |
| { |
| PRIV (image_section)->contents |
| = bfd_realloc_or_free (PRIV (image_section)->contents, offset + size); |
| if (PRIV (image_section)->contents == NULL) |
| { |
| (*_bfd_error_handler) (_("No Mem !")); |
| return -1; |
| } |
| PRIV (image_section)->size = offset + size; |
| PRIV (image_ptr) = PRIV (image_section)->contents + offset; |
| } |
| |
| return 0; |
| } |
| |
| /* Routines to fill sections contents during tir/etir read. */ |
| |
| /* Initialize image buffer pointer to be filled. */ |
| |
| static void |
| image_set_ptr (bfd * abfd, int psect, uquad offset) |
| { |
| #if VMS_DEBUG |
| _bfd_vms_debug (4, "image_set_ptr (%d=%s, %d)\n", |
| psect, PRIV (sections)[psect]->name, offset); |
| #endif |
| |
| PRIV (image_ptr) = PRIV (sections)[psect]->contents + offset; |
| PRIV (image_section) = PRIV (sections)[psect]; |
| } |
| |
| /* Increment image buffer pointer by offset. */ |
| |
| static void |
| image_inc_ptr (bfd * abfd, uquad offset) |
| { |
| #if VMS_DEBUG |
| _bfd_vms_debug (4, "image_inc_ptr (%d)\n", offset); |
| #endif |
| |
| PRIV (image_ptr) += offset; |
| } |
| |
| /* Save current DST location counter under specified index. */ |
| |
| static void |
| dst_define_location (bfd *abfd, uquad loc) |
| { |
| asection *dst_section = PRIV (dst_section); |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (4, "dst_define_location (%d)\n", (int)loc); |
| #endif |
| |
| /* Grow the ptr offset table if necessary. */ |
| if (loc + 1 > PRIV (dst_ptr_offsets_count)) |
| { |
| PRIV (dst_ptr_offsets) = bfd_realloc (PRIV (dst_ptr_offsets), |
| (loc + 1) * sizeof (unsigned int)); |
| PRIV (dst_ptr_offsets_count) = loc + 1; |
| } |
| |
| PRIV (dst_ptr_offsets)[loc] = PRIV (image_ptr) - dst_section->contents; |
| } |
| |
| /* Restore saved DST location counter from specified index. */ |
| |
| static void |
| dst_restore_location (bfd *abfd, uquad loc) |
| { |
| asection *dst_section = PRIV (dst_section); |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (4, "dst_restore_location (%d)\n", (int)loc); |
| #endif |
| |
| PRIV (image_ptr) = dst_section->contents + PRIV (dst_ptr_offsets)[loc]; |
| } |
| |
| /* Retrieve saved DST location counter from specified index. */ |
| |
| static unsigned int |
| dst_retrieve_location (bfd *abfd, uquad loc) |
| { |
| #if VMS_DEBUG |
| _bfd_vms_debug (4, "dst_retrieve_location (%d)\n", (int)loc); |
| #endif |
| |
| return PRIV (dst_ptr_offsets)[loc]; |
| } |
| |
| /* Check that the DST section is big enough for the specified |
| amount of bytes. */ |
| |
| static void |
| dst_check_allocation (bfd *abfd, unsigned int size) |
| { |
| asection *dst_section = PRIV (dst_section); |
| |
| bfd_size_type used = PRIV (image_ptr) - dst_section->contents; |
| bfd_size_type left = dst_section->size - used; |
| |
| /* Grow the DST section as necessary */ |
| if (size > left) |
| { |
| dst_section->size *= 2; |
| dst_section->contents |
| = bfd_realloc (dst_section->contents, dst_section->size); |
| PRIV (image_ptr) = dst_section->contents + used; |
| |
| dst_check_allocation (abfd, size); |
| } |
| } |
| |
| /* Dump multiple bytes to section image. */ |
| |
| static void |
| image_dump (bfd * abfd, |
| unsigned char *ptr, |
| int size, |
| int offset ATTRIBUTE_UNUSED) |
| { |
| #if VMS_DEBUG |
| _bfd_vms_debug (8, "image_dump from (%p, %d) to (%p)\n", ptr, size, |
| PRIV (image_ptr)); |
| _bfd_hexdump (9, ptr, size, offset); |
| #endif |
| |
| if (PRIV (is_vax) && check_section (abfd, size)) |
| return; |
| |
| if (PRIV (dst_section)) |
| dst_check_allocation (abfd, size); |
| |
| while (size-- > 0) |
| *PRIV (image_ptr)++ = *ptr++; |
| } |
| |
| /* Write byte to section image. */ |
| |
| static void |
| image_write_b (bfd * abfd, unsigned int value) |
| { |
| #if VMS_DEBUG |
| _bfd_vms_debug (6, "image_write_b (%02x)\n", (int) value); |
| #endif |
| |
| if (PRIV (is_vax) && check_section (abfd, 1)) |
| return; |
| |
| if (PRIV (dst_section)) |
| dst_check_allocation (abfd, 1); |
| |
| *PRIV (image_ptr)++ = (value & 0xff); |
| } |
| |
| /* Write 2-byte word to image. */ |
| |
| static void |
| image_write_w (bfd * abfd, unsigned int value) |
| { |
| #if VMS_DEBUG |
| _bfd_vms_debug (6, "image_write_w (%04x)\n", (int) value); |
| #endif |
| |
| if (PRIV (is_vax) && check_section (abfd, 2)) |
| return; |
| |
| if (PRIV (dst_section)) |
| dst_check_allocation (abfd, 2); |
| |
| bfd_putl16 ((bfd_vma) value, PRIV (image_ptr)); |
| PRIV (image_ptr) += 2; |
| } |
| |
| /* Write 4-byte long to image. */ |
| |
| static void |
| image_write_l (bfd * abfd, unsigned long value) |
| { |
| #if VMS_DEBUG |
| _bfd_vms_debug (6, "image_write_l (%08lx)\n", value); |
| #endif |
| |
| if (PRIV (is_vax) && check_section (abfd, 4)) |
| return; |
| |
| if (PRIV (dst_section)) |
| dst_check_allocation (abfd, 4); |
| |
| bfd_putl32 ((bfd_vma) value, PRIV (image_ptr)); |
| PRIV (image_ptr) += 4; |
| } |
| |
| /* Write 8-byte quad to image. */ |
| |
| static void |
| image_write_q (bfd * abfd, uquad value) |
| { |
| #if VMS_DEBUG |
| _bfd_vms_debug (6, "image_write_q (%016lx)\n", value); |
| #endif |
| |
| if (PRIV (is_vax) && check_section (abfd, 8)) |
| return; |
| |
| if (PRIV (dst_section)) |
| dst_check_allocation (abfd, 8); |
| |
| bfd_putl64 (value, PRIV (image_ptr)); |
| PRIV (image_ptr) += 8; |
| } |
| |
| static const char * |
| cmd_name (int cmd) |
| { |
| switch (cmd) |
| { |
| case ETIR_S_C_STA_GBL: return "ETIR_S_C_STA_GBL"; |
| case ETIR_S_C_STA_LW: return "ETIR_S_C_STA_LW"; |
| case ETIR_S_C_STA_QW: return "ETIR_S_C_STA_QW"; |
| case ETIR_S_C_STA_PQ: return "ETIR_S_C_STA_PQ"; |
| case ETIR_S_C_STA_LI: return "ETIR_S_C_STA_LI"; |
| case ETIR_S_C_STA_MOD: return "ETIR_S_C_STA_MOD"; |
| case ETIR_S_C_STA_CKARG: return "ETIR_S_C_STA_CKARG"; |
| case ETIR_S_C_STO_B: return "ETIR_S_C_STO_B"; |
| case ETIR_S_C_STO_W: return "ETIR_S_C_STO_W"; |
| case ETIR_S_C_STO_GBL: return "ETIR_S_C_STO_GBL"; |
| case ETIR_S_C_STO_CA: return "ETIR_S_C_STO_CA"; |
| case ETIR_S_C_STO_RB: return "ETIR_S_C_STO_RB"; |
| case ETIR_S_C_STO_AB: return "ETIR_S_C_STO_AB"; |
| case ETIR_S_C_STO_OFF: return "ETIR_S_C_STO_OFF"; |
| case ETIR_S_C_STO_IMM: return "ETIR_S_C_STO_IMM"; |
| case ETIR_S_C_STO_IMMR: return "ETIR_S_C_STO_IMMR"; |
| case ETIR_S_C_STO_LW: return "ETIR_S_C_STO_LW"; |
| case ETIR_S_C_STO_QW: return "ETIR_S_C_STO_QW"; |
| case ETIR_S_C_STO_GBL_LW: return "ETIR_S_C_STO_GBL_LW"; |
| case ETIR_S_C_STO_LP_PSB: return "ETIR_S_C_STO_LP_PSB"; |
| case ETIR_S_C_STO_HINT_GBL: return "ETIR_S_C_STO_HINT_GBL"; |
| case ETIR_S_C_STO_HINT_PS: return "ETIR_S_C_STO_HINT_PS"; |
| case ETIR_S_C_OPR_ADD: return "ETIR_S_C_OPR_ADD"; |
| case ETIR_S_C_OPR_INSV: return "ETIR_S_C_OPR_INSV"; |
| case ETIR_S_C_OPR_USH: return "ETIR_S_C_OPR_USH"; |
| case ETIR_S_C_OPR_ROT: return "ETIR_S_C_OPR_ROT"; |
| case ETIR_S_C_OPR_REDEF: return "ETIR_S_C_OPR_REDEF"; |
| case ETIR_S_C_OPR_DFLIT: return "ETIR_S_C_OPR_DFLIT"; |
| case ETIR_S_C_STC_LP: return "ETIR_S_C_STC_LP"; |
| case ETIR_S_C_STC_GBL: return "ETIR_S_C_STC_GBL"; |
| case ETIR_S_C_STC_GCA: return "ETIR_S_C_STC_GCA"; |
| case ETIR_S_C_STC_PS: return "ETIR_S_C_STC_PS"; |
| case ETIR_S_C_STC_NBH_PS: return "ETIR_S_C_STC_NBH_PS"; |
| case ETIR_S_C_STC_NOP_GBL: return "ETIR_S_C_STC_NOP_GBL"; |
| case ETIR_S_C_STC_NOP_PS: return "ETIR_S_C_STC_NOP_PS"; |
| case ETIR_S_C_STC_BSR_GBL: return "ETIR_S_C_STC_BSR_GBL"; |
| case ETIR_S_C_STC_BSR_PS: return "ETIR_S_C_STC_BSR_PS"; |
| case ETIR_S_C_STC_LDA_GBL: return "ETIR_S_C_STC_LDA_GBL"; |
| case ETIR_S_C_STC_LDA_PS: return "ETIR_S_C_STC_LDA_PS"; |
| case ETIR_S_C_STC_BOH_GBL: return "ETIR_S_C_STC_BOH_GBL"; |
| case ETIR_S_C_STC_BOH_PS: return "ETIR_S_C_STC_BOH_PS"; |
| case ETIR_S_C_STC_NBH_GBL: return "ETIR_S_C_STC_NBH_GBL"; |
| case ETIR_S_C_CTL_SETRB: return "ETIR_S_C_CTL_SETRB"; |
| case ETIR_S_C_STC_LP_PSB: return "ETIR_S_C_STC_LP_PSB"; |
| case ETIR_S_C_CTL_DFLOC: return "ETIR_S_C_CTL_DFLOC"; |
| case ETIR_S_C_CTL_STLOC: return "ETIR_S_C_CTL_STLOC"; |
| case ETIR_S_C_CTL_STKDL: return "ETIR_S_C_CTL_STKDL"; |
| |
| default: |
| /* These names have not yet been added to this switch statement. */ |
| (*_bfd_error_handler) (_("unknown ETIR command %d"), cmd); |
| } |
| |
| return NULL; |
| } |
| #define HIGHBIT(op) ((op & 0x80000000L) == 0x80000000L) |
| |
| /* etir_sta |
| |
| Vms stack commands. |
| |
| Handle sta_xxx commands in etir section, |
| ptr points to data area in record. |
| |
| See table B-8 of the openVMS linker manual. */ |
| |
| static bfd_boolean |
| etir_sta (bfd *abfd, int cmd, unsigned char *ptr, int *quarter_relocs) |
| { |
| #if VMS_DEBUG |
| _bfd_vms_debug (5, "etir_sta %d/%x\n", cmd, cmd); |
| _bfd_hexdump (8, ptr, 16, (long) ptr); |
| #endif |
| |
| switch (cmd) |
| { |
| /* Stack global |
| arg: cs symbol name |
| |
| stack 32 bit value of symbol (high bits set to 0). */ |
| case ETIR_S_C_STA_GBL: |
| { |
| char *name; |
| vms_symbol_entry *entry; |
| |
| name = _bfd_vms_save_counted_string (ptr); |
| entry = (vms_symbol_entry *) |
| bfd_hash_lookup (PRIV (vms_symbol_table), name, FALSE, FALSE); |
| if (entry == NULL) |
| { |
| #if VMS_DEBUG |
| _bfd_vms_debug (3, "%s: no symbol \"%s\"\n", |
| cmd_name (cmd), name); |
| #endif |
| _bfd_vms_push (abfd, (uquad) 0, -1); |
| } |
| else |
| _bfd_vms_push (abfd, (uquad) (entry->symbol->value), -1); |
| } |
| *quarter_relocs = 1; |
| break; |
| |
| /* Stack longword |
| arg: lw value |
| |
| stack 32 bit value, sign extend to 64 bit. */ |
| case ETIR_S_C_STA_LW: |
| _bfd_vms_push (abfd, (uquad) bfd_getl32 (ptr), -1); |
| /* This one is special as it is both part of the section header |
| and of the ALPHA_R_REFLONG relocation. */ |
| if (bfd_getl16 (ptr - 4 + bfd_getl16 (ptr - 2)) == ETIR_S_C_CTL_DFLOC) |
| *quarter_relocs = 0; |
| else if (*quarter_relocs) |
| *quarter_relocs += 1; |
| else |
| *quarter_relocs = 2; |
| break; |
| |
| /* Stack quadword |
| arg: qw value |
| |
| stack 64 bit value of symbol. */ |
| case ETIR_S_C_STA_QW: |
| _bfd_vms_push (abfd, (uquad) bfd_getl64 (ptr), -1); |
| if (*quarter_relocs) |
| *quarter_relocs += 1; |
| else |
| *quarter_relocs = 2; |
| break; |
| |
| /* Stack psect base plus quadword offset |
| arg: lw section index |
| qw signed quadword offset (low 32 bits) |
| |
| Stack qw argument and section index |
| (see ETIR_S_C_STO_OFF, ETIR_S_C_CTL_SETRB). */ |
| case ETIR_S_C_STA_PQ: |
| { |
| uquad dummy; |
| int psect; |
| |
| psect = bfd_getl32 (ptr); |
| if ((unsigned int) psect >= PRIV (section_count)) |
| { |
| (*_bfd_error_handler) (_("bad section index in %s"), |
| cmd_name (cmd)); |
| bfd_set_error (bfd_error_bad_value); |
| return FALSE; |
| } |
| dummy = bfd_getl64 (ptr + 4); |
| _bfd_vms_push (abfd, dummy, (int) psect); |
| } |
| /* This one is special as it is both part of the section header |
| and of the ALPHA_R_REFLONG and ALPHA_R_REFQUAD relocations. */ |
| if (bfd_getl16 (ptr - 4 + bfd_getl16 (ptr - 2)) == ETIR_S_C_CTL_SETRB) |
| *quarter_relocs = 0; |
| else |
| *quarter_relocs = 2; |
| break; |
| |
| case ETIR_S_C_STA_LI: |
| case ETIR_S_C_STA_MOD: |
| case ETIR_S_C_STA_CKARG: |
| (*_bfd_error_handler) (_("unsupported STA cmd %s"), cmd_name (cmd)); |
| *quarter_relocs = 0; |
| return FALSE; |
| |
| default: |
| (*_bfd_error_handler) (_("reserved STA cmd %d"), cmd); |
| *quarter_relocs = 0; |
| return FALSE; |
| } |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (5, "etir_sta true\n"); |
| #endif |
| |
| return TRUE; |
| } |
| |
| /* etir_sto |
| |
| vms store commands |
| |
| handle sto_xxx commands in etir section |
| ptr points to data area in record |
| |
| see table B-9 of the openVMS linker manual. */ |
| |
| static bfd_boolean |
| etir_sto (bfd *abfd, int cmd, unsigned char *ptr, int *quarter_relocs) |
| { |
| uquad dummy; |
| int psect; |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (5, "etir_sto %d/%x\n", cmd, cmd); |
| _bfd_hexdump (8, ptr, 16, (long) ptr); |
| #endif |
| |
| switch (cmd) |
| { |
| /* Store byte: pop stack, write byte |
| arg: -. */ |
| case ETIR_S_C_STO_B: |
| dummy = _bfd_vms_pop (abfd, &psect); |
| /* FIXME: check top bits. */ |
| image_write_b (abfd, (unsigned int) dummy & 0xff); |
| *quarter_relocs = 0; |
| break; |
| |
| /* Store word: pop stack, write word |
| arg: -. */ |
| case ETIR_S_C_STO_W: |
| dummy = _bfd_vms_pop (abfd, &psect); |
| /* FIXME: check top bits */ |
| image_write_w (abfd, (unsigned int) dummy & 0xffff); |
| *quarter_relocs = 0; |
| break; |
| |
| /* Store longword: pop stack, write longword |
| arg: -. */ |
| case ETIR_S_C_STO_LW: |
| dummy = _bfd_vms_pop (abfd, &psect); |
| dummy += (PRIV (sections)[psect])->vma; |
| /* FIXME: check top bits. */ |
| image_write_l (abfd, (unsigned int) dummy & 0xffffffff); |
| if (*quarter_relocs == 2) |
| *quarter_relocs = 4; |
| else |
| *quarter_relocs += 1; |
| break; |
| |
| /* Store quadword: pop stack, write quadword |
| arg: -. */ |
| case ETIR_S_C_STO_QW: |
| dummy = _bfd_vms_pop (abfd, &psect); |
| dummy += (PRIV (sections)[psect])->vma; |
| /* FIXME: check top bits. */ |
| image_write_q (abfd, dummy); |
| if (*quarter_relocs == 2) |
| *quarter_relocs = 4; |
| else |
| *quarter_relocs += 1; |
| break; |
| |
| /* Store immediate repeated: pop stack for repeat count |
| arg: lw byte count |
| da data. */ |
| case ETIR_S_C_STO_IMMR: |
| { |
| int size; |
| |
| size = bfd_getl32 (ptr); |
| dummy = (unsigned long) _bfd_vms_pop (abfd, NULL); |
| while (dummy-- > 0) |
| image_dump (abfd, ptr+4, size, 0); |
| } |
| *quarter_relocs = 0; |
| break; |
| |
| /* Store global: write symbol value |
| arg: cs global symbol name. */ |
| case ETIR_S_C_STO_GBL: |
| { |
| vms_symbol_entry *entry; |
| char *name; |
| |
| name = _bfd_vms_save_counted_string (ptr); |
| entry = (vms_symbol_entry *) bfd_hash_lookup (PRIV (vms_symbol_table), |
| name, FALSE, FALSE); |
| if (entry == NULL) |
| /* FIXME, reloc. */ |
| image_write_q (abfd, (uquad) (0)); |
| else |
| /* FIXME, reloc. */ |
| image_write_q (abfd, (uquad) (entry->symbol->value)); |
| } |
| *quarter_relocs = 4; |
| break; |
| |
| /* Store code address: write address of entry point |
| arg: cs global symbol name (procedure). */ |
| case ETIR_S_C_STO_CA: |
| { |
| vms_symbol_entry *entry; |
| char *name; |
| |
| name = _bfd_vms_save_counted_string (ptr); |
| entry = (vms_symbol_entry *) bfd_hash_lookup (PRIV (vms_symbol_table), |
| name, FALSE, FALSE); |
| if (entry == NULL) |
| /* FIXME, reloc. */ |
| image_write_q (abfd, (uquad) (0)); |
| else |
| /* FIXME, reloc. */ |
| image_write_q (abfd, (uquad) (entry->symbol->value)); |
| } |
| *quarter_relocs = 4; |
| break; |
| |
| /* Store offset to psect: pop stack, add low 32 bits to base of psect |
| arg: none. */ |
| case ETIR_S_C_STO_OFF: |
| { |
| uquad q; |
| int psect1; |
| |
| q = _bfd_vms_pop (abfd, & psect1); |
| q += (PRIV (sections)[psect1])->vma; |
| image_write_q (abfd, q); |
| } |
| *quarter_relocs += 2; |
| break; |
| |
| /* Store immediate |
| arg: lw count of bytes |
| da data. */ |
| case ETIR_S_C_STO_IMM: |
| { |
| int size; |
| |
| size = bfd_getl32 (ptr); |
| image_dump (abfd, ptr+4, size, 0); |
| } |
| *quarter_relocs = 0; |
| break; |
| |
| /* This code is 'reserved to digital' according to the openVMS |
| linker manual, however it is generated by the DEC C compiler |
| and defined in the include file. |
| FIXME, since the following is just a guess |
| store global longword: store 32bit value of symbol |
| arg: cs symbol name. */ |
| case ETIR_S_C_STO_GBL_LW: |
| { |
| vms_symbol_entry *entry; |
| char *name; |
| |
| name = _bfd_vms_save_counted_string (ptr); |
| entry = (vms_symbol_entry *) bfd_hash_lookup (PRIV (vms_symbol_table), |
| name, FALSE, FALSE); |
| if (entry == NULL) |
| { |
| #if VMS_DEBUG |
| _bfd_vms_debug (3, "%s: no symbol \"%s\"\n", cmd_name (cmd), name); |
| #endif |
| image_write_l (abfd, (unsigned long) 0); /* FIXME, reloc */ |
| } |
| else |
| /* FIXME, reloc. */ |
| image_write_l (abfd, (unsigned long) (entry->symbol->value)); |
| } |
| *quarter_relocs = 4; |
| break; |
| |
| case ETIR_S_C_STO_RB: |
| case ETIR_S_C_STO_AB: |
| case ETIR_S_C_STO_LP_PSB: |
| (*_bfd_error_handler) (_("%s: not supported"), cmd_name (cmd)); |
| *quarter_relocs = 0; |
| return FALSE; |
| |
| case ETIR_S_C_STO_HINT_GBL: |
| case ETIR_S_C_STO_HINT_PS: |
| (*_bfd_error_handler) (_("%s: not implemented"), cmd_name (cmd)); |
| *quarter_relocs = 0; |
| return FALSE; |
| |
| default: |
| (*_bfd_error_handler) (_("reserved STO cmd %d"), cmd); |
| *quarter_relocs = 0; |
| return FALSE; |
| } |
| |
| return TRUE; |
| } |
| |
| /* Stack operator commands |
| all 32 bit signed arithmetic |
| all word just like a stack calculator |
| arguments are popped from stack, results are pushed on stack |
| |
| see table B-10 of the openVMS linker manual. */ |
| |
| static bfd_boolean |
| etir_opr (bfd *abfd, int cmd, unsigned char *ptr ATTRIBUTE_UNUSED, |
| int *quarter_relocs) |
| { |
| long op1, op2; |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (5, "etir_opr %d/%x\n", cmd, cmd); |
| _bfd_hexdump (8, ptr, 16, (long) ptr); |
| #endif |
| |
| /* No relocation uses OPR commands except ETIR_S_C_OPR_ADD. */ |
| if (cmd == ETIR_S_C_OPR_ADD) |
| *quarter_relocs += 1; |
| else |
| *quarter_relocs = 0; |
| |
| switch (cmd) |
| { |
| case ETIR_S_C_OPR_NOP: /* No-op. */ |
| break; |
| |
| case ETIR_S_C_OPR_ADD: /* Add. */ |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| op2 = (long) _bfd_vms_pop (abfd, NULL); |
| _bfd_vms_push (abfd, (uquad) (op1 + op2), -1); |
| break; |
| |
| case ETIR_S_C_OPR_SUB: /* Subtract. */ |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| op2 = (long) _bfd_vms_pop (abfd, NULL); |
| _bfd_vms_push (abfd, (uquad) (op2 - op1), -1); |
| break; |
| |
| case ETIR_S_C_OPR_MUL: /* Multiply. */ |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| op2 = (long) _bfd_vms_pop (abfd, NULL); |
| _bfd_vms_push (abfd, (uquad) (op1 * op2), -1); |
| break; |
| |
| case ETIR_S_C_OPR_DIV: /* Divide. */ |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| op2 = (long) _bfd_vms_pop (abfd, NULL); |
| if (op2 == 0) |
| _bfd_vms_push (abfd, (uquad) 0, -1); |
| else |
| _bfd_vms_push (abfd, (uquad) (op2 / op1), -1); |
| break; |
| |
| case ETIR_S_C_OPR_AND: /* Logical AND. */ |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| op2 = (long) _bfd_vms_pop (abfd, NULL); |
| _bfd_vms_push (abfd, (uquad) (op1 & op2), -1); |
| break; |
| |
| case ETIR_S_C_OPR_IOR: /* Logical inclusive OR. */ |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| op2 = (long) _bfd_vms_pop (abfd, NULL); |
| _bfd_vms_push (abfd, (uquad) (op1 | op2), -1); |
| break; |
| |
| case ETIR_S_C_OPR_EOR: /* Logical exclusive OR. */ |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| op2 = (long) _bfd_vms_pop (abfd, NULL); |
| _bfd_vms_push (abfd, (uquad) (op1 ^ op2), -1); |
| break; |
| |
| case ETIR_S_C_OPR_NEG: /* Negate. */ |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| _bfd_vms_push (abfd, (uquad) (-op1), -1); |
| break; |
| |
| case ETIR_S_C_OPR_COM: /* Complement. */ |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| _bfd_vms_push (abfd, (uquad) (op1 ^ -1L), -1); |
| break; |
| |
| case ETIR_S_C_OPR_ASH: /* Arithmetic shift. */ |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| op2 = (long) _bfd_vms_pop (abfd, NULL); |
| if (op2 < 0) /* Shift right. */ |
| op1 >>= -op2; |
| else /* Shift left. */ |
| op1 <<= op2; |
| _bfd_vms_push (abfd, (uquad) op1, -1); |
| break; |
| |
| case ETIR_S_C_OPR_INSV: /* Insert field. */ |
| (void) _bfd_vms_pop (abfd, NULL); |
| case ETIR_S_C_OPR_USH: /* Unsigned shift. */ |
| case ETIR_S_C_OPR_ROT: /* Rotate. */ |
| case ETIR_S_C_OPR_REDEF: /* Redefine symbol to current location. */ |
| case ETIR_S_C_OPR_DFLIT: /* Define a literal. */ |
| (*_bfd_error_handler) (_("%s: not supported"), cmd_name (cmd)); |
| return FALSE; |
| |
| case ETIR_S_C_OPR_SEL: /* Select. */ |
| if ((long) _bfd_vms_pop (abfd, NULL) & 0x01L) |
| (void) _bfd_vms_pop (abfd, NULL); |
| else |
| { |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| (void) _bfd_vms_pop (abfd, NULL); |
| _bfd_vms_push (abfd, (uquad) op1, -1); |
| } |
| break; |
| |
| default: |
| (*_bfd_error_handler) (_("reserved OPR cmd %d"), cmd); |
| return FALSE; |
| } |
| |
| return TRUE; |
| } |
| |
| /* Control commands. |
| |
| See table B-11 of the openVMS linker manual. */ |
| |
| static bfd_boolean |
| etir_ctl (bfd *abfd, int cmd, unsigned char *ptr, int *quarter_relocs) |
| { |
| uquad dummy; |
| int psect; |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (5, "etir_ctl %d/%x\n", cmd, cmd); |
| _bfd_hexdump (8, ptr, 16, (long) ptr); |
| #endif |
| |
| /* No relocation uses CTL commands. */ |
| *quarter_relocs = 0; |
| |
| switch (cmd) |
| { |
| /* Det relocation base: pop stack, set image location counter |
| arg: none. */ |
| case ETIR_S_C_CTL_SETRB: |
| dummy = _bfd_vms_pop (abfd, &psect); |
| image_set_ptr (abfd, psect, dummy); |
| break; |
| |
| /* Augment relocation base: increment image location counter by offset |
| arg: lw offset value. */ |
| case ETIR_S_C_CTL_AUGRB: |
| dummy = bfd_getl32 (ptr); |
| image_inc_ptr (abfd, dummy); |
| break; |
| |
| /* Define location: pop index, save location counter under index |
| arg: none. */ |
| case ETIR_S_C_CTL_DFLOC: |
| dummy = _bfd_vms_pop (abfd, NULL); |
| dst_define_location (abfd, dummy); |
| break; |
| |
| /* Set location: pop index, restore location counter from index |
| arg: none. */ |
| case ETIR_S_C_CTL_STLOC: |
| dummy = _bfd_vms_pop (abfd, NULL); |
| dst_restore_location (abfd, dummy); |
| break; |
| |
| /* Stack defined location: pop index, push location counter from index |
| arg: none. */ |
| case ETIR_S_C_CTL_STKDL: |
| dummy = _bfd_vms_pop (abfd, NULL); |
| _bfd_vms_push (abfd, dst_retrieve_location (abfd, dummy), -1); |
| break; |
| |
| default: |
| (*_bfd_error_handler) (_("reserved CTL cmd %d"), cmd); |
| return FALSE; |
| } |
| |
| return TRUE; |
| } |
| |
| /* Store conditional commands |
| |
| See table B-12 and B-13 of the openVMS linker manual. */ |
| |
| static bfd_boolean |
| etir_stc (bfd *abfd, int cmd, unsigned char *ptr ATTRIBUTE_UNUSED, |
| int *quarter_relocs) |
| { |
| #if VMS_DEBUG |
| _bfd_vms_debug (5, "etir_stc %d/%x\n", cmd, cmd); |
| _bfd_hexdump (8, ptr, 16, (long) ptr); |
| #endif |
| |
| switch (cmd) |
| { |
| /* 200 Store-conditional Linkage Pair |
| arg: none. */ |
| case ETIR_S_C_STC_LP: |
| |
| /* 202 Store-conditional Address at global address |
| arg: lw linkage index |
| cs global name. */ |
| |
| case ETIR_S_C_STC_GBL: |
| |
| /* 203 Store-conditional Code Address at global address |
| arg: lw linkage index |
| cs procedure name. */ |
| case ETIR_S_C_STC_GCA: |
| |
| /* 204 Store-conditional Address at psect + offset |
| arg: lw linkage index |
| lw psect index |
| qw offset. */ |
| case ETIR_S_C_STC_PS: |
| (*_bfd_error_handler) (_("%s: not supported"), cmd_name (cmd)); |
| *quarter_relocs = 0; |
| return FALSE; |
| |
| /* 201 Store-conditional Linkage Pair with Procedure Signature |
| arg: lw linkage index |
| cs procedure name |
| by signature length |
| da signature. */ |
| |
| case ETIR_S_C_STC_LP_PSB: |
| image_inc_ptr (abfd, (uquad) 16); /* skip entry,procval */ |
| *quarter_relocs = 4; |
| break; |
| |
| /* 205 Store-conditional NOP at address of global |
| arg: none. */ |
| case ETIR_S_C_STC_NOP_GBL: |
| /* ALPHA_R_NOP */ |
| |
| /* 207 Store-conditional BSR at global address |
| arg: none. */ |
| |
| case ETIR_S_C_STC_BSR_GBL: |
| /* ALPHA_R_BSR */ |
| |
| /* 209 Store-conditional LDA at global address |
| arg: none. */ |
| |
| case ETIR_S_C_STC_LDA_GBL: |
| /* ALPHA_R_LDA */ |
| |
| /* 211 Store-conditional BSR or Hint at global address |
| arg: none. */ |
| |
| case ETIR_S_C_STC_BOH_GBL: |
| *quarter_relocs = 4; |
| break; |
| |
| /* 213 Store-conditional NOP,BSR or HINT at global address |
| arg: none. */ |
| |
| case ETIR_S_C_STC_NBH_GBL: |
| |
| /* 206 Store-conditional NOP at pect + offset |
| arg: none. */ |
| |
| case ETIR_S_C_STC_NOP_PS: |
| |
| /* 208 Store-conditional BSR at pect + offset |
| arg: none. */ |
| |
| case ETIR_S_C_STC_BSR_PS: |
| |
| /* 210 Store-conditional LDA at psect + offset |
| arg: none. */ |
| |
| case ETIR_S_C_STC_LDA_PS: |
| |
| /* 212 Store-conditional BSR or Hint at pect + offset |
| arg: none. */ |
| |
| case ETIR_S_C_STC_BOH_PS: |
| |
| /* 214 Store-conditional NOP, BSR or HINT at psect + offset |
| arg: none. */ |
| case ETIR_S_C_STC_NBH_PS: |
| (*_bfd_error_handler) ("%s: not supported", cmd_name (cmd)); |
| *quarter_relocs = 0; |
| return FALSE; |
| |
| default: |
| (*_bfd_error_handler) (_("reserved STC cmd %d"), cmd); |
| *quarter_relocs = 0; |
| return FALSE; |
| } |
| |
| return TRUE; |
| } |
| |
| static asection * |
| new_section (bfd * abfd ATTRIBUTE_UNUSED, int idx) |
| { |
| asection *section; |
| char sname[16]; |
| char *name; |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (5, "new_section %d\n", idx); |
| #endif |
| sprintf (sname, SECTION_NAME_TEMPLATE, idx); |
| |
| name = bfd_malloc ((bfd_size_type) strlen (sname) + 1); |
| if (name == 0) |
| return NULL; |
| strcpy (name, sname); |
| |
| section = bfd_malloc ((bfd_size_type) sizeof (asection)); |
| if (section == 0) |
| { |
| #if VMS_DEBUG |
| _bfd_vms_debug (6, "new_section (%s) failed", name); |
| #endif |
| return NULL; |
| } |
| |
| section->size = 0; |
| section->vma = 0; |
| section->contents = 0; |
| section->name = name; |
| section->index = idx; |
| |
| return section; |
| } |
| |
| static int |
| alloc_section (bfd * abfd, unsigned int idx) |
| { |
| bfd_size_type amt; |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (4, "alloc_section %d\n", idx); |
| #endif |
| |
| amt = idx + 1; |
| amt *= sizeof (asection *); |
| PRIV (sections) = bfd_realloc_or_free (PRIV (sections), amt); |
| if (PRIV (sections) == NULL) |
| return -1; |
| |
| while (PRIV (section_count) <= idx) |
| { |
| PRIV (sections)[PRIV (section_count)] |
| = new_section (abfd, (int) PRIV (section_count)); |
| if (PRIV (sections)[PRIV (section_count)] == 0) |
| return -1; |
| PRIV (section_count)++; |
| } |
| |
| return 0; |
| } |
| |
| /* tir_sta |
| |
| Vax stack commands. |
| |
| Handle sta_xxx commands in tir section, |
| ptr points to data area in record. |
| |
| See table 7-3 of the VAX/VMS linker manual. */ |
| |
| static unsigned char * |
| tir_sta (bfd * abfd, unsigned char *ptr) |
| { |
| int cmd = *ptr++; |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (5, "tir_sta %d\n", cmd); |
| #endif |
| |
| switch (cmd) |
| { |
| /* stack */ |
| case TIR_S_C_STA_GBL: |
| /* stack global |
| arg: cs symbol name |
| |
| stack 32 bit value of symbol (high bits set to 0). */ |
| { |
| char *name; |
| vms_symbol_entry *entry; |
| |
| name = _bfd_vms_save_counted_string (ptr); |
| |
| entry = _bfd_vms_enter_symbol (abfd, name); |
| if (entry == NULL) |
| return NULL; |
| |
| _bfd_vms_push (abfd, (uquad) (entry->symbol->value), -1); |
| ptr += *ptr + 1; |
| } |
| break; |
| |
| case TIR_S_C_STA_SB: |
| /* stack signed byte |
| arg: by value |
| |
| stack byte value, sign extend to 32 bit. */ |
| _bfd_vms_push (abfd, (uquad) *ptr++, -1); |
| break; |
| |
| case TIR_S_C_STA_SW: |
| /* stack signed short word |
| arg: sh value |
| |
| stack 16 bit value, sign extend to 32 bit. */ |
| _bfd_vms_push (abfd, (uquad) bfd_getl16 (ptr), -1); |
| ptr += 2; |
| break; |
| |
| case TIR_S_C_STA_LW: |
| /* stack signed longword |
| arg: lw value |
| |
| stack 32 bit value. */ |
| _bfd_vms_push (abfd, (uquad) bfd_getl32 (ptr), -1); |
| ptr += 4; |
| break; |
| |
| case TIR_S_C_STA_PB: |
| case TIR_S_C_STA_WPB: |
| /* stack psect base plus byte offset (word index) |
| arg: by section index |
| (sh section index) |
| by signed byte offset. */ |
| { |
| unsigned long dummy; |
| int psect; |
| |
| if (cmd == TIR_S_C_STA_PB) |
| psect = *ptr++; |
| else |
| { |
| psect = bfd_getl16 (ptr); |
| ptr += 2; |
| } |
| |
| if ((unsigned int) psect >= PRIV (section_count)) |
| alloc_section (abfd, psect); |
| |
| dummy = (long) *ptr++; |
| dummy += (PRIV (sections)[psect])->vma; |
| _bfd_vms_push (abfd, (uquad) dummy, psect); |
| } |
| break; |
| |
| case TIR_S_C_STA_PW: |
| case TIR_S_C_STA_WPW: |
| /* stack psect base plus word offset (word index) |
| arg: by section index |
| (sh section index) |
| sh signed short offset. */ |
| { |
| unsigned long dummy; |
| int psect; |
| |
| if (cmd == TIR_S_C_STA_PW) |
| psect = *ptr++; |
| else |
| { |
| psect = bfd_getl16 (ptr); |
| ptr += 2; |
| } |
| |
| if ((unsigned int) psect >= PRIV (section_count)) |
| alloc_section (abfd, psect); |
| |
| dummy = bfd_getl16 (ptr); ptr+=2; |
| dummy += (PRIV (sections)[psect])->vma; |
| _bfd_vms_push (abfd, (uquad) dummy, psect); |
| } |
| break; |
| |
| case TIR_S_C_STA_PL: |
| case TIR_S_C_STA_WPL: |
| /* stack psect base plus long offset (word index) |
| arg: by section index |
| (sh section index) |
| lw signed longword offset. */ |
| { |
| unsigned long dummy; |
| int psect; |
| |
| if (cmd == TIR_S_C_STA_PL) |
| psect = *ptr++; |
| else |
| { |
| psect = bfd_getl16 (ptr); |
| ptr += 2; |
| } |
| |
| if ((unsigned int) psect >= PRIV (section_count)) |
| alloc_section (abfd, psect); |
| |
| dummy = bfd_getl32 (ptr); ptr += 4; |
| dummy += (PRIV (sections)[psect])->vma; |
| _bfd_vms_push (abfd, (uquad) dummy, psect); |
| } |
| break; |
| |
| case TIR_S_C_STA_UB: |
| /* stack unsigned byte |
| arg: by value |
| |
| stack byte value. */ |
| _bfd_vms_push (abfd, (uquad) *ptr++, -1); |
| break; |
| |
| case TIR_S_C_STA_UW: |
| /* stack unsigned short word |
| arg: sh value |
| |
| stack 16 bit value. */ |
| _bfd_vms_push (abfd, (uquad) bfd_getl16 (ptr), -1); |
| ptr += 2; |
| break; |
| |
| case TIR_S_C_STA_BFI: |
| /* stack byte from image |
| arg: none. */ |
| /* FALLTHRU */ |
| case TIR_S_C_STA_WFI: |
| /* stack byte from image |
| arg: none. */ |
| /* FALLTHRU */ |
| case TIR_S_C_STA_LFI: |
| /* stack byte from image |
| arg: none. */ |
| (*_bfd_error_handler) (_("stack-from-image not implemented")); |
| return NULL; |
| |
| case TIR_S_C_STA_EPM: |
| /* stack entry point mask |
| arg: cs symbol name |
| |
| stack (unsigned) entry point mask of symbol |
| err if symbol is no entry point. */ |
| { |
| char *name; |
| vms_symbol_entry *entry; |
| |
| name = _bfd_vms_save_counted_string (ptr); |
| entry = _bfd_vms_enter_symbol (abfd, name); |
| if (entry == NULL) |
| return NULL; |
| |
| (*_bfd_error_handler) (_("stack-entry-mask not fully implemented")); |
| _bfd_vms_push (abfd, (uquad) 0, -1); |
| ptr += *ptr + 1; |
| } |
| break; |
| |
| case TIR_S_C_STA_CKARG: |
| /* compare procedure argument |
| arg: cs symbol name |
| by argument index |
| da argument descriptor |
| |
| compare argument descriptor with symbol argument (ARG$V_PASSMECH) |
| and stack TRUE (args match) or FALSE (args dont match) value. */ |
| (*_bfd_error_handler) (_("PASSMECH not fully implemented")); |
| _bfd_vms_push (abfd, (uquad) 1, -1); |
| break; |
| |
| case TIR_S_C_STA_LSY: |
| /* stack local symbol value |
| arg: sh environment index |
| cs symbol name. */ |
| { |
| int envidx; |
| char *name; |
| vms_symbol_entry *entry; |
| |
| envidx = bfd_getl16 (ptr); |
| ptr += 2; |
| name = _bfd_vms_save_counted_string (ptr); |
| entry = _bfd_vms_enter_symbol (abfd, name); |
| if (entry == NULL) |
| return NULL; |
| (*_bfd_error_handler) (_("stack-local-symbol not fully implemented")); |
| _bfd_vms_push (abfd, (uquad) 0, -1); |
| ptr += *ptr + 1; |
| } |
| break; |
| |
| case TIR_S_C_STA_LIT: |
| /* stack literal |
| arg: by literal index |
| |
| stack literal. */ |
| ptr++; |
| _bfd_vms_push (abfd, (uquad) 0, -1); |
| (*_bfd_error_handler) (_("stack-literal not fully implemented")); |
| break; |
| |
| case TIR_S_C_STA_LEPM: |
| /* stack local symbol entry point mask |
| arg: sh environment index |
| cs symbol name |
| |
| stack (unsigned) entry point mask of symbol |
| err if symbol is no entry point. */ |
| { |
| int envidx; |
| char *name; |
| vms_symbol_entry *entry; |
| |
| envidx = bfd_getl16 (ptr); |
| ptr += 2; |
| name = _bfd_vms_save_counted_string (ptr); |
| entry = _bfd_vms_enter_symbol (abfd, name); |
| if (entry == NULL) |
| return NULL; |
| (*_bfd_error_handler) (_("stack-local-symbol-entry-point-mask not fully implemented")); |
| _bfd_vms_push (abfd, (uquad) 0, -1); |
| ptr += *ptr + 1; |
| } |
| break; |
| |
| default: |
| (*_bfd_error_handler) (_("reserved STA cmd %d"), ptr[-1]); |
| return NULL; |
| break; |
| } |
| |
| return ptr; |
| } |
| |
| static const char * |
| tir_cmd_name (int cmd) |
| { |
| switch (cmd) |
| { |
| case TIR_S_C_STO_RSB: return "TIR_S_C_STO_RSB"; |
| case TIR_S_C_STO_RSW: return "TIR_S_C_STO_RSW"; |
| case TIR_S_C_STO_RL: return "TIR_S_C_STO_RL"; |
| case TIR_S_C_STO_VPS: return "TIR_S_C_STO_VPS"; |
| case TIR_S_C_STO_USB: return "TIR_S_C_STO_USB"; |
| case TIR_S_C_STO_USW: return "TIR_S_C_STO_USW"; |
| case TIR_S_C_STO_RUB: return "TIR_S_C_STO_RUB"; |
| case TIR_S_C_STO_RUW: return "TIR_S_C_STO_RUW"; |
| case TIR_S_C_STO_PIRR: return "TIR_S_C_STO_PIRR"; |
| case TIR_S_C_OPR_INSV: return "TIR_S_C_OPR_INSV"; |
| case TIR_S_C_OPR_DFLIT: return "TIR_S_C_OPR_DFLIT"; |
| case TIR_S_C_OPR_REDEF: return "TIR_S_C_OPR_REDEF"; |
| case TIR_S_C_OPR_ROT: return "TIR_S_C_OPR_ROT"; |
| case TIR_S_C_OPR_USH: return "TIR_S_C_OPR_USH"; |
| case TIR_S_C_OPR_ASH: return "TIR_S_C_OPR_ASH"; |
| case TIR_S_C_CTL_DFLOC: return "TIR_S_C_CTL_DFLOC"; |
| case TIR_S_C_CTL_STLOC: return "TIR_S_C_CTL_STLOC"; |
| case TIR_S_C_CTL_STKDL: return "TIR_S_C_CTL_STKDL"; |
| |
| default: |
| /* These strings have not been added yet. */ |
| abort (); |
| } |
| } |
| |
| /* tir_sto |
| |
| vax store commands |
| |
| handle sto_xxx commands in tir section |
| ptr points to data area in record |
| |
| See table 7-4 of the VAX/VMS linker manual. */ |
| |
| static unsigned char * |
| tir_sto (bfd * abfd, unsigned char *ptr) |
| { |
| unsigned long dummy; |
| int size; |
| int psect; |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (5, "tir_sto %d\n", *ptr); |
| #endif |
| |
| switch (*ptr++) |
| { |
| case TIR_S_C_STO_SB: |
| /* Store signed byte: pop stack, write byte |
| arg: none. */ |
| dummy = _bfd_vms_pop (abfd, &psect); |
| image_write_b (abfd, dummy & 0xff); /* FIXME: check top bits */ |
| break; |
| |
| case TIR_S_C_STO_SW: |
| /* Store signed word: pop stack, write word |
| arg: none. */ |
| dummy = _bfd_vms_pop (abfd, &psect); |
| image_write_w (abfd, dummy & 0xffff); /* FIXME: check top bits */ |
| break; |
| |
| case TIR_S_C_STO_LW: |
| /* Store longword: pop stack, write longword |
| arg: none. */ |
| dummy = _bfd_vms_pop (abfd, &psect); |
| image_write_l (abfd, dummy & 0xffffffff); /* FIXME: check top bits */ |
| break; |
| |
| case TIR_S_C_STO_BD: |
| /* Store byte displaced: pop stack, sub lc+1, write byte |
| arg: none. */ |
| dummy = _bfd_vms_pop (abfd, &psect); |
| dummy -= ((PRIV (sections)[psect])->vma + 1); |
| image_write_b (abfd, dummy & 0xff);/* FIXME: check top bits */ |
| break; |
| |
| case TIR_S_C_STO_WD: |
| /* Store word displaced: pop stack, sub lc+2, write word |
| arg: none. */ |
| dummy = _bfd_vms_pop (abfd, &psect); |
| dummy -= ((PRIV (sections)[psect])->vma + 2); |
| image_write_w (abfd, dummy & 0xffff);/* FIXME: check top bits */ |
| break; |
| |
| case TIR_S_C_STO_LD: |
| /* Store long displaced: pop stack, sub lc+4, write long |
| arg: none. */ |
| dummy = _bfd_vms_pop (abfd, &psect); |
| dummy -= ((PRIV (sections)[psect])->vma + 4); |
| image_write_l (abfd, dummy & 0xffffffff);/* FIXME: check top bits */ |
| break; |
| |
| case TIR_S_C_STO_LI: |
| /* Store short literal: pop stack, write byte |
| arg: none. */ |
| dummy = _bfd_vms_pop (abfd, &psect); |
| image_write_b (abfd, dummy & 0xff);/* FIXME: check top bits */ |
| break; |
| |
| case TIR_S_C_STO_PIDR: |
| /* Store position independent data reference: pop stack, write longword |
| arg: none. |
| FIXME: incomplete ! */ |
| dummy = _bfd_vms_pop (abfd, &psect); |
| image_write_l (abfd, dummy & 0xffffffff); |
| break; |
| |
| case TIR_S_C_STO_PICR: |
| /* Store position independent code reference: pop stack, write longword |
| arg: none. |
| FIXME: incomplete ! */ |
| dummy = _bfd_vms_pop (abfd, &psect); |
| image_write_b (abfd, 0x9f); |
| image_write_l (abfd, dummy & 0xffffffff); |
| break; |
| |
| case TIR_S_C_STO_RIVB: |
| /* Store repeated immediate variable bytes |
| 1-byte count n field followed by n bytes of data |
| pop stack, write n bytes <stack> times. */ |
| size = *ptr++; |
| dummy = (unsigned long) _bfd_vms_pop (abfd, NULL); |
| while (dummy-- > 0L) |
| image_dump (abfd, ptr, size, 0); |
| ptr += size; |
| break; |
| |
| case TIR_S_C_STO_B: |
| /* Store byte from top longword. */ |
| dummy = (unsigned long) _bfd_vms_pop (abfd, NULL); |
| image_write_b (abfd, dummy & 0xff); |
| break; |
| |
| case TIR_S_C_STO_W: |
| /* Store word from top longword. */ |
| dummy = (unsigned long) _bfd_vms_pop (abfd, NULL); |
| image_write_w (abfd, dummy & 0xffff); |
| break; |
| |
| case TIR_S_C_STO_RB: |
| /* Store repeated byte from top longword. */ |
| size = (unsigned long) _bfd_vms_pop (abfd, NULL); |
| dummy = (unsigned long) _bfd_vms_pop (abfd, NULL); |
| while (size-- > 0) |
| image_write_b (abfd, dummy & 0xff); |
| break; |
| |
| case TIR_S_C_STO_RW: |
| /* Store repeated word from top longword. */ |
| size = (unsigned long) _bfd_vms_pop (abfd, NULL); |
| dummy = (unsigned long) _bfd_vms_pop (abfd, NULL); |
| while (size-- > 0) |
| image_write_w (abfd, dummy & 0xffff); |
| break; |
| |
| case TIR_S_C_STO_RSB: |
| case TIR_S_C_STO_RSW: |
| case TIR_S_C_STO_RL: |
| case TIR_S_C_STO_VPS: |
| case TIR_S_C_STO_USB: |
| case TIR_S_C_STO_USW: |
| case TIR_S_C_STO_RUB: |
| case TIR_S_C_STO_RUW: |
| case TIR_S_C_STO_PIRR: |
| (*_bfd_error_handler) (_("%s: not implemented"), tir_cmd_name (ptr[-1])); |
| break; |
| |
| default: |
| (*_bfd_error_handler) (_("reserved STO cmd %d"), ptr[-1]); |
| break; |
| } |
| |
| return ptr; |
| } |
| |
| /* Stack operator commands |
| All 32 bit signed arithmetic |
| All word just like a stack calculator |
| Arguments are popped from stack, results are pushed on stack |
| |
| See table 7-5 of the VAX/VMS linker manual. */ |
| |
| static unsigned char * |
| tir_opr (bfd * abfd, unsigned char *ptr) |
| { |
| long op1, op2; |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (5, "tir_opr %d\n", *ptr); |
| #endif |
| |
| /* Operation. */ |
| switch (*ptr++) |
| { |
| case TIR_S_C_OPR_NOP: /* No-op. */ |
| break; |
| |
| case TIR_S_C_OPR_ADD: /* Add. */ |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| op2 = (long) _bfd_vms_pop (abfd, NULL); |
| _bfd_vms_push (abfd, (uquad) (op1 + op2), -1); |
| break; |
| |
| case TIR_S_C_OPR_SUB: /* Subtract. */ |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| op2 = (long) _bfd_vms_pop (abfd, NULL); |
| _bfd_vms_push (abfd, (uquad) (op2 - op1), -1); |
| break; |
| |
| case TIR_S_C_OPR_MUL: /* Multiply. */ |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| op2 = (long) _bfd_vms_pop (abfd, NULL); |
| _bfd_vms_push (abfd, (uquad) (op1 * op2), -1); |
| break; |
| |
| case TIR_S_C_OPR_DIV: /* Divide. */ |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| op2 = (long) _bfd_vms_pop (abfd, NULL); |
| if (op2 == 0) |
| _bfd_vms_push (abfd, (uquad) 0, -1); |
| else |
| _bfd_vms_push (abfd, (uquad) (op2 / op1), -1); |
| break; |
| |
| case TIR_S_C_OPR_AND: /* Logical AND. */ |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| op2 = (long) _bfd_vms_pop (abfd, NULL); |
| _bfd_vms_push (abfd, (uquad) (op1 & op2), -1); |
| break; |
| |
| case TIR_S_C_OPR_IOR: /* Logical inclusive OR. */ |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| op2 = (long) _bfd_vms_pop (abfd, NULL); |
| _bfd_vms_push (abfd, (uquad) (op1 | op2), -1); |
| break; |
| |
| case TIR_S_C_OPR_EOR: /* Logical exclusive OR. */ |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| op2 = (long) _bfd_vms_pop (abfd, NULL); |
| _bfd_vms_push (abfd, (uquad) (op1 ^ op2), -1); |
| break; |
| |
| case TIR_S_C_OPR_NEG: /* Negate. */ |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| _bfd_vms_push (abfd, (uquad) (-op1), -1); |
| break; |
| |
| case TIR_S_C_OPR_COM: /* Complement. */ |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| _bfd_vms_push (abfd, (uquad) (op1 ^ -1L), -1); |
| break; |
| |
| case TIR_S_C_OPR_INSV: /* Insert field. */ |
| (void) _bfd_vms_pop (abfd, NULL); |
| (*_bfd_error_handler) (_("%s: not fully implemented"), |
| tir_cmd_name (ptr[-1])); |
| break; |
| |
| case TIR_S_C_OPR_ASH: /* Arithmetic shift. */ |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| op2 = (long) _bfd_vms_pop (abfd, NULL); |
| if (HIGHBIT (op1)) /* Shift right. */ |
| op2 >>= op1; |
| else /* Shift left. */ |
| op2 <<= op1; |
| _bfd_vms_push (abfd, (uquad) op2, -1); |
| (*_bfd_error_handler) (_("%s: not fully implemented"), |
| tir_cmd_name (ptr[-1])); |
| break; |
| |
| case TIR_S_C_OPR_USH: /* Unsigned shift. */ |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| op2 = (long) _bfd_vms_pop (abfd, NULL); |
| if (HIGHBIT (op1)) /* Shift right. */ |
| op2 >>= op1; |
| else /* Shift left. */ |
| op2 <<= op1; |
| _bfd_vms_push (abfd, (uquad) op2, -1); |
| (*_bfd_error_handler) (_("%s: not fully implemented"), |
| tir_cmd_name (ptr[-1])); |
| break; |
| |
| case TIR_S_C_OPR_ROT: /* Rotate. */ |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| op2 = (long) _bfd_vms_pop (abfd, NULL); |
| if (HIGHBIT (0)) /* Shift right. */ |
| op2 >>= op1; |
| else /* Shift left. */ |
| op2 <<= op1; |
| _bfd_vms_push (abfd, (uquad) op2, -1); |
| (*_bfd_error_handler) (_("%s: not fully implemented"), |
| tir_cmd_name (ptr[-1])); |
| break; |
| |
| case TIR_S_C_OPR_SEL: /* Select. */ |
| if ((long) _bfd_vms_pop (abfd, NULL) & 0x01L) |
| (void) _bfd_vms_pop (abfd, NULL); |
| else |
| { |
| op1 = (long) _bfd_vms_pop (abfd, NULL); |
| (void) _bfd_vms_pop (abfd, NULL); |
| _bfd_vms_push (abfd, (uquad) op1, -1); |
| } |
| break; |
| |
| case TIR_S_C_OPR_REDEF: /* Redefine symbol to current location. */ |
| case TIR_S_C_OPR_DFLIT: /* Define a literal. */ |
| (*_bfd_error_handler) (_("%s: not supported"), |
| tir_cmd_name (ptr[-1])); |
| break; |
| |
| default: |
| (*_bfd_error_handler) (_("reserved OPR cmd %d"), ptr[-1]); |
| break; |
| } |
| |
| return ptr; |
| } |
| |
| /* Control commands |
| |
| See table 7-6 of the VAX/VMS linker manual. */ |
| |
| static unsigned char * |
| tir_ctl (bfd * abfd, unsigned char *ptr) |
| { |
| unsigned long dummy; |
| int psect; |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (5, "tir_ctl %d\n", *ptr); |
| #endif |
| |
| switch (*ptr++) |
| { |
| case TIR_S_C_CTL_SETRB: |
| /* Set relocation base: pop stack, set image location counter |
| arg: none. */ |
| dummy = _bfd_vms_pop (abfd, &psect); |
| if ((unsigned int) psect >= PRIV (section_count)) |
| alloc_section (abfd, psect); |
| image_set_ptr (abfd, psect, (uquad) dummy); |
| break; |
| |
| case TIR_S_C_CTL_AUGRB: |
| /* Augment relocation base: increment image location counter by offset |
| arg: lw offset value. */ |
| dummy = bfd_getl32 (ptr); |
| image_inc_ptr (abfd, (uquad) dummy); |
| break; |
| |
| case TIR_S_C_CTL_DFLOC: |
| /* Define location: pop index, save location counter under index |
| arg: none. */ |
| dummy = _bfd_vms_pop (abfd, NULL); |
| (*_bfd_error_handler) (_("%s: not fully implemented"), |
| tir_cmd_name (ptr[-1])); |
| break; |
| |
| case TIR_S_C_CTL_STLOC: |
| /* Set location: pop index, restore location counter from index |
| arg: none. */ |
| dummy = _bfd_vms_pop (abfd, &psect); |
| (*_bfd_error_handler) (_("%s: not fully implemented"), |
| tir_cmd_name (ptr[-1])); |
| break; |
| |
| case TIR_S_C_CTL_STKDL: |
| /* Stack defined location: pop index, push location counter from index |
| arg: none. */ |
| dummy = _bfd_vms_pop (abfd, &psect); |
| (*_bfd_error_handler) (_("%s: not fully implemented"), |
| tir_cmd_name (ptr[-1])); |
| break; |
| |
| default: |
| (*_bfd_error_handler) (_("reserved CTL cmd %d"), ptr[-1]); |
| break; |
| } |
| return ptr; |
| } |
| |
| /* Handle command from TIR section. */ |
| |
| static unsigned char * |
| tir_cmd (bfd * abfd, unsigned char *ptr) |
| { |
| static const struct |
| { |
| int mincod; |
| int maxcod; |
| unsigned char * (*explain) (bfd *, unsigned char *); |
| } |
| tir_table[] = |
| { |
| { 0, TIR_S_C_MAXSTACOD, tir_sta }, |
| { TIR_S_C_MINSTOCOD, TIR_S_C_MAXSTOCOD, tir_sto }, |
| { TIR_S_C_MINOPRCOD, TIR_S_C_MAXOPRCOD, tir_opr }, |
| { TIR_S_C_MINCTLCOD, TIR_S_C_MAXCTLCOD, tir_ctl }, |
| { -1, -1, NULL } |
| }; |
| int i = 0; |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (4, "tir_cmd %d/%x\n", *ptr, *ptr); |
| _bfd_hexdump (8, ptr, 16, (long) ptr); |
| #endif |
| |
| if (*ptr & 0x80) |
| { |
| /* Store immediate. */ |
| i = 128 - (*ptr++ & 0x7f); |
| image_dump (abfd, ptr, i, 0); |
| ptr += i; |
| } |
| else |
| { |
| while (tir_table[i].mincod >= 0) |
| { |
| if ( (tir_table[i].mincod <= *ptr) |
| && (*ptr <= tir_table[i].maxcod)) |
| { |
| ptr = tir_table[i].explain (abfd, ptr); |
| break; |
| } |
| i++; |
| } |
| if (tir_table[i].mincod < 0) |
| { |
| (*_bfd_error_handler) (_("obj code %d not found"), *ptr); |
| ptr = 0; |
| } |
| } |
| |
| return ptr; |
| } |
| |
| /* Handle command from ETIR section. */ |
| |
| static int |
| etir_cmd (bfd *abfd, int cmd, unsigned char *ptr, int *quarter_relocs) |
| { |
| static const struct |
| { |
| int mincod; |
| int maxcod; |
| bfd_boolean (*explain) (bfd *, int, unsigned char *, int *); |
| } |
| etir_table[] = |
| { |
| { ETIR_S_C_MINSTACOD, ETIR_S_C_MAXSTACOD, etir_sta }, |
| { ETIR_S_C_MINSTOCOD, ETIR_S_C_MAXSTOCOD, etir_sto }, |
| { ETIR_S_C_MINOPRCOD, ETIR_S_C_MAXOPRCOD, etir_opr }, |
| { ETIR_S_C_MINCTLCOD, ETIR_S_C_MAXCTLCOD, etir_ctl }, |
| { ETIR_S_C_MINSTCCOD, ETIR_S_C_MAXSTCCOD, etir_stc }, |
| { -1, -1, NULL } |
| }; |
| |
| int i = 0; |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (4, "etir_cmd: %s(%d)\n", cmd_name (cmd), cmd); |
| _bfd_hexdump (8, ptr, 16, (long) ptr); |
| #endif |
| |
| while (etir_table[i].mincod >= 0) |
| { |
| if ( (etir_table[i].mincod <= cmd) |
| && (cmd <= etir_table[i].maxcod)) |
| { |
| if (!etir_table[i].explain (abfd, cmd, ptr, quarter_relocs)) |
| return -1; |
| break; |
| } |
| i++; |
| } |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (4, "etir_cmd: result = 0\n"); |
| #endif |
| return 0; |
| } |
| |
| /* Text Information and Relocation Records (OBJ$C_TIR) |
| handle tir record. */ |
| |
| static int |
| analyze_tir (bfd * abfd, unsigned char *ptr, unsigned int length) |
| { |
| unsigned char *maxptr; |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (3, "analyze_tir: %d bytes\n", length); |
| #endif |
| |
| maxptr = ptr + length; |
| |
| while (ptr < maxptr) |
| { |
| ptr = tir_cmd (abfd, ptr); |
| if (ptr == 0) |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| /* Text Information and Relocation Records (EOBJ$C_ETIR) |
| handle etir record. */ |
| |
| static int |
| analyze_etir (bfd * abfd, unsigned char *ptr, unsigned int length) |
| { |
| unsigned char *maxptr = ptr + length; |
| /* Relocations are made of 1, 2 or 4 ETIR commands. |
| We therefore count them using quarters. */ |
| int quarter_relocs = 0; |
| int result = 0; |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (3, "analyze_etir: %d bytes\n", length); |
| #endif |
| |
| while (ptr < maxptr) |
| { |
| int cmd = bfd_getl16 (ptr); |
| int cmd_length = bfd_getl16 (ptr + 2); |
| result = etir_cmd (abfd, cmd, ptr + 4, &quarter_relocs); |
| if (result != 0) |
| break; |
| |
| /* If we have a relocation, we record its length to size |
| future buffers and bump the reloc count of the section. */ |
| if (quarter_relocs) |
| { |
| vms_section_data (PRIV (image_section))->reloc_size += cmd_length; |
| abfd->flags |= HAS_RELOC; |
| |
| if (quarter_relocs == 4) |
| { |
| PRIV (image_section)->reloc_count++; |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (4, "-> reloc %d at 0x%x\n", |
| PRIV (image_section)->reloc_count-1, |
| ptr - (maxptr - length)); |
| #endif |
| |
| quarter_relocs = 0; |
| } |
| else if (quarter_relocs > 4) |
| { |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (4, "Reloc count error (%d) in section %s\n", |
| PRIV (image_section)->reloc_count, |
| PRIV (image_section)->name); |
| #endif |
| |
| quarter_relocs = 0; |
| } |
| } |
| |
| /* If we have a Store Immediate, we reserve space for the |
| count argument. */ |
| else if (cmd == ETIR_S_C_STO_IMM) |
| vms_section_data (PRIV (image_section))->reloc_size |
| += ETIR_S_C_HEADER_SIZE + 4; |
| |
| ptr += cmd_length; |
| } |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (3, "analyze_etir: result = %d\n", result); |
| #endif |
| |
| return result; |
| } |
| |
| /* Process ETIR record |
| Return 0 on success, -1 on error. */ |
| |
| int |
| _bfd_vms_slurp_tir (bfd * abfd, int objtype) |
| { |
| int result; |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (2, "TIR/ETIR\n"); |
| #endif |
| |
| switch (objtype) |
| { |
| case EOBJ_S_C_ETIR: |
| PRIV (vms_rec) += ETIR_S_C_HEADER_SIZE; |
| PRIV (rec_size) -= ETIR_S_C_HEADER_SIZE; |
| result = analyze_etir (abfd, PRIV (vms_rec), (unsigned) PRIV (rec_size)); |
| break; |
| case OBJ_S_C_TIR: |
| PRIV (vms_rec) += 1; /* Skip type. */ |
| PRIV (rec_size) -= 1; |
| result = analyze_tir (abfd, PRIV (vms_rec), (unsigned) PRIV (rec_size)); |
| break; |
| default: |
| result = -1; |
| break; |
| } |
| |
| return result; |
| } |
| |
| /* Slurp relocs from ETIR sections and (temporarily) save them |
| in the per-section reloc buffer. */ |
| |
| int |
| _bfd_vms_slurp_relocs (bfd *abfd) |
| { |
| struct vms_section_data_struct *vsd; |
| unsigned char *begin = PRIV (vms_rec) + 4; |
| unsigned char *end = PRIV (vms_rec) + PRIV (rec_size); |
| unsigned char *ptr; |
| int cmd, length, slurped_length; |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (3, "_bfd_vms_slurp_relocs: %d bytes\n", PRIV (rec_size)); |
| #endif |
| |
| for (ptr = begin; ptr < end; ptr += length) |
| { |
| cmd = bfd_getl16 (ptr); |
| length = bfd_getl16 (ptr + 2); |
| slurped_length = length; |
| |
| switch (cmd) |
| { |
| case ETIR_S_C_STA_PQ: /* ALPHA_R_REF{LONG|QUAD}, others part 1 */ |
| /* This one is special as it is both part of the section header |
| and of the ALPHA_R_REFLONG and ALPHA_R_REFQUAD relocations. */ |
| if (bfd_getl16 (ptr + length) == ETIR_S_C_CTL_SETRB) |
| { |
| int psect = bfd_getl32 (ptr + ETIR_S_C_HEADER_SIZE); |
| PRIV (image_section) = PRIV (sections)[psect]; |
| continue; |
| } |
| |
| case ETIR_S_C_STA_GBL: /* ALPHA_R_REFLONG und_section, step 1 */ |
| /* ALPHA_R_REFQUAD und_section, step 1 */ |
| break; |
| |
| case ETIR_S_C_STA_LW: /* ALPHA_R_REFLONG und_section, step 2 */ |
| /* ALPHA_R_REFLONG abs_section, step 1 */ |
| /* This one is special as it is both part of the section header |
| and of the ALPHA_R_REFLONG relocation. */ |
| if (bfd_getl16 (ptr + length) == ETIR_S_C_CTL_DFLOC) |
| { |
| PRIV (image_section) = PRIV (dst_section); |
| continue; |
| } |
| |
| case ETIR_S_C_STA_QW: /* ALPHA_R_REFQUAD und_section, step 2 */ |
| /* ALPHA_R_REFQUAD abs_section, step 1 */ |
| |
| case ETIR_S_C_STO_LW: /* ALPHA_R_REFLONG und_section, step 4 */ |
| /* ALPHA_R_REFLONG abs_section, step 2 */ |
| /* ALPHA_R_REFLONG others, step 2 */ |
| |
| case ETIR_S_C_STO_QW: /* ALPHA_R_REFQUAD und_section, step 4 */ |
| /* ALPHA_R_REFQUAD abs_section, step 2 */ |
| |
| case ETIR_S_C_STO_OFF: /* ALPHA_R_REFQUAD others, step 2 */ |
| |
| case ETIR_S_C_OPR_ADD: /* ALPHA_R_REFLONG und_section, step 3 */ |
| /* ALPHA_R_REFQUAD und_section, step 3 */ |
| |
| case ETIR_S_C_STO_CA: /* ALPHA_R_CODEADDR */ |
| case ETIR_S_C_STO_GBL: /* ALPHA_R_REFQUAD und_section */ |
| case ETIR_S_C_STO_GBL_LW: /* ALPHA_R_REFLONG und_section */ |
| case ETIR_S_C_STC_LP_PSB: /* ALPHA_R_LINKAGE */ |
| case ETIR_S_C_STC_NOP_GBL: /* ALPHA_R_NOP */ |
| case ETIR_S_C_STC_BSR_GBL: /* ALPHA_R_BSR */ |
| case ETIR_S_C_STC_LDA_GBL: /* ALPHA_R_LDA */ |
| case ETIR_S_C_STC_BOH_GBL: /* ALPHA_R_BOH */ |
| break; |
| |
| case ETIR_S_C_STO_IMM: |
| if (PRIV (image_section)->reloc_count == 0) |
| continue; |
| /* This is not a relocation, but we nevertheless slurp the |
| count argument. We'll use it to compute the addresses |
| of the relocations. */ |
| slurped_length = ETIR_S_C_HEADER_SIZE + 4; |
| break; |
| |
| default: |
| continue; |
| } |
| |
| vsd = vms_section_data (PRIV (image_section)); |
| memcpy (vsd->reloc_stream + vsd->reloc_offset, ptr, slurped_length); |
| vsd->reloc_offset += slurped_length; |
| if (vsd->reloc_offset > vsd->reloc_size) |
| { |
| (*_bfd_error_handler) (_("Reloc size error in section %s"), |
| PRIV (image_section)->name); |
| return -1; |
| } |
| } |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (3, "_bfd_vms_slurp_relocs: result = 0\n"); |
| #endif |
| |
| return 0; |
| } |
| |
| /* Decode relocs from the reloc buffer of the specified section |
| and internalize them in the specified buffer. */ |
| |
| int |
| _bfd_vms_decode_relocs (bfd *abfd, arelent *relocs, asection *section, |
| asymbol **symbols ATTRIBUTE_UNUSED) |
| { |
| int saved_cmd, saved_sym_offset, saved_sec_offset, saved_addend_offset; |
| int cmd, sym_offset, sec_offset, address_offset, addend_offset; |
| struct vms_section_data_struct *vsd = vms_section_data (section); |
| bfd_reloc_code_real_type reloc_code; |
| vms_symbol_entry *entry; |
| bfd_vma vaddr = 0; |
| unsigned char *begin = vsd->reloc_stream; |
| unsigned char *end = vsd->reloc_stream + vsd->reloc_size; |
| unsigned char *ptr, *arg_ptr; |
| const char *name; |
| int length; |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (3, "_bfd_vms_decode_relocs: %d bytes\n", vsd->reloc_size); |
| #endif |
| |
| #define PUSH_CMD() \ |
| { \ |
| saved_cmd = cmd; \ |
| saved_sym_offset = sym_offset - length; \ |
| saved_sec_offset = sec_offset - length; \ |
| saved_addend_offset = addend_offset - length; \ |
| continue; \ |
| } |
| |
| #define POP_CMD() \ |
| { \ |
| cmd = saved_cmd; \ |
| saved_cmd = ETIR_S_C_MAXSTCCOD + 1; \ |
| sym_offset = saved_sym_offset; \ |
| sec_offset = saved_sec_offset; \ |
| addend_offset= saved_addend_offset; \ |
| } |
| |
| #define CMD_PUSHED (saved_cmd != ETIR_S_C_MAXSTCCOD + 1) |
| |
| #define NO_OFFSET -128 |
| |
| saved_cmd = ETIR_S_C_MAXSTCCOD + 1; |
| saved_sym_offset = NO_OFFSET; |
| saved_sec_offset = NO_OFFSET; |
| saved_addend_offset = NO_OFFSET; |
| |
| for (ptr = begin; ptr < end; ptr += length) |
| { |
| cmd = bfd_getl16 (ptr); |
| length = bfd_getl16 (ptr + 2); |
| |
| arg_ptr = ptr + ETIR_S_C_HEADER_SIZE; |
| sym_offset = NO_OFFSET; |
| sec_offset = NO_OFFSET; |
| address_offset = NO_OFFSET; |
| addend_offset = NO_OFFSET; |
| |
| switch (cmd) |
| { |
| case ETIR_S_C_STA_GBL: /* ALPHA_R_REFLONG und_section, step 1 */ |
| /* ALPHA_R_REFQUAD und_section, step 1 */ |
| sym_offset = 0; |
| PUSH_CMD () |
| |
| case ETIR_S_C_STA_PQ: /* ALPHA_R_REF{LONG|QUAD}, others part 1 */ |
| sec_offset = 0; |
| addend_offset = 4; |
| PUSH_CMD () |
| |
| case ETIR_S_C_STA_LW: /* ALPHA_R_REFLONG abs_section, step 1 */ |
| /* ALPHA_R_REFLONG und_section, step 2 */ |
| if (CMD_PUSHED) |
| { |
| POP_CMD () |
| if (cmd != ETIR_S_C_STA_GBL) |
| { |
| (*_bfd_error_handler) (_("Unknown reloc %s + %s"), |
| cmd_name (cmd), |
| cmd_name (ETIR_S_C_STA_LW)); |
| return 0; |
| } |
| cmd = ETIR_S_C_STA_LW; |
| } |
| addend_offset = 0; |
| PUSH_CMD () |
| |
| case ETIR_S_C_STA_QW: /* ALPHA_R_REFQUAD abs_section, step 1 */ |
| /* ALPHA_R_REFQUAD und_section, step 2 */ |
| if (CMD_PUSHED) |
| { |
| POP_CMD () |
| if (cmd != ETIR_S_C_STA_GBL) |
| { |
| (*_bfd_error_handler) (_("Unknown reloc %s + %s"), |
| cmd_name (cmd), |
| cmd_name (ETIR_S_C_STA_QW)); |
| return 0; |
| } |
| cmd = ETIR_S_C_STA_QW; |
| } |
| addend_offset = 0; |
| PUSH_CMD () |
| |
| case ETIR_S_C_STO_LW: /* ALPHA_R_REFLONG und_section, step 4 */ |
| /* ALPHA_R_REFLONG abs_section, step 2 */ |
| /* ALPHA_R_REFLONG others, step 2 */ |
| POP_CMD () |
| if (cmd != ETIR_S_C_OPR_ADD |
| && cmd != ETIR_S_C_STA_LW |
| && cmd != ETIR_S_C_STA_PQ) |
| { |
| (*_bfd_error_handler) (_("Unknown reloc %s + %s"), |
| cmd_name (cmd), cmd_name (ETIR_S_C_STO_LW)); |
| return 0; |
| } |
| reloc_code = BFD_RELOC_32; |
| break; |
| |
| case ETIR_S_C_STO_QW: /* ALPHA_R_REFQUAD und_section, step 4 */ |
| /* ALPHA_R_REFQUAD abs_section, step 2 */ |
| POP_CMD () |
| if (cmd != ETIR_S_C_OPR_ADD && cmd != ETIR_S_C_STA_QW) |
| { |
| (*_bfd_error_handler) (_("Unknown reloc %s + %s"), |
| cmd_name (cmd), cmd_name (ETIR_S_C_STO_QW)); |
| return 0; |
| } |
| reloc_code = BFD_RELOC_64; |
| break; |
| |
| case ETIR_S_C_STO_OFF: /* ALPHA_R_REFQUAD others, step 2 */ |
| POP_CMD () |
| if (cmd != ETIR_S_C_STA_PQ) |
| { |
| (*_bfd_error_handler) (_("Unknown reloc %s + %s"), |
| cmd_name (cmd), cmd_name (ETIR_S_C_STO_OFF)); |
| return 0; |
| } |
| reloc_code = BFD_RELOC_64; |
| break; |
| |
| case ETIR_S_C_OPR_ADD: /* ALPHA_R_REFLONG und_section, step 3 */ |
| /* ALPHA_R_REFQUAD und_section, step 3 */ |
| POP_CMD () |
| if (cmd != ETIR_S_C_STA_LW && cmd != ETIR_S_C_STA_QW) |
| { |
| (*_bfd_error_handler) (_("Unknown reloc %s + %s"), |
| cmd_name (cmd), cmd_name (ETIR_S_C_OPR_ADD)); |
| return 0; |
| } |
| cmd = ETIR_S_C_OPR_ADD; |
| PUSH_CMD () |
| |
| case ETIR_S_C_STO_CA: /* ALPHA_R_CODEADDR */ |
| reloc_code = BFD_RELOC_ALPHA_CODEADDR; |
| sym_offset = 0; |
| break; |
| |
| case ETIR_S_C_STO_GBL: /* ALPHA_R_REFQUAD und_section */ |
| reloc_code = BFD_RELOC_64; |
| sym_offset = 0; |
| break; |
| |
| case ETIR_S_C_STO_GBL_LW: /* ALPHA_R_REFLONG und_section */ |
| reloc_code = BFD_RELOC_32; |
| sym_offset = 0; |
| break; |
| |
| case ETIR_S_C_STC_LP_PSB: /* ALPHA_R_LINKAGE */ |
| reloc_code = BFD_RELOC_ALPHA_LINKAGE; |
| sym_offset = 4; |
| break; |
| |
| case ETIR_S_C_STC_NOP_GBL: /* ALPHA_R_NOP */ |
| reloc_code = BFD_RELOC_ALPHA_NOP; |
| goto call_reloc; |
| |
| case ETIR_S_C_STC_BSR_GBL: /* ALPHA_R_BSR */ |
| reloc_code = BFD_RELOC_ALPHA_BSR; |
| goto call_reloc; |
| |
| case ETIR_S_C_STC_LDA_GBL: /* ALPHA_R_LDA */ |
| reloc_code = BFD_RELOC_ALPHA_LDA; |
| goto call_reloc; |
| |
| case ETIR_S_C_STC_BOH_GBL: /* ALPHA_R_BOH */ |
| reloc_code = BFD_RELOC_ALPHA_BOH; |
| goto call_reloc; |
| |
| call_reloc: |
| sym_offset = 32; |
| address_offset = 8; |
| addend_offset = 24; |
| break; |
| |
| case ETIR_S_C_STO_IMM: |
| vaddr += bfd_getl32 (arg_ptr); |
| length = ETIR_S_C_HEADER_SIZE + 4; |
| continue; |
| |
| default: |
| continue; |
| } |
| |
| relocs->howto = bfd_reloc_type_lookup (abfd, reloc_code); |
| |
| if (sym_offset > NO_OFFSET) |
| { |
| name = _bfd_vms_save_counted_string (arg_ptr + sym_offset); |
| entry = (vms_symbol_entry *) |
| bfd_hash_lookup (PRIV (vms_symbol_table), name, FALSE, FALSE); |
| if (entry == NULL) |
| { |
| (*_bfd_error_handler) (_("Unknown symbol %s in command %s"), |
| name, cmd_name (cmd)); |
| relocs->sym_ptr_ptr = NULL; |
| } |
| else |
| /* ??? This is a hack. We should point in 'symbols'. */ |
| relocs->sym_ptr_ptr = &entry->symbol; |
| } |
| else if (sec_offset > NO_OFFSET) |
| relocs->sym_ptr_ptr |
| = PRIV (sections)[bfd_getl32 (arg_ptr + sec_offset)]->symbol_ptr_ptr; |
| else |
| relocs->sym_ptr_ptr = NULL; |
| |
| if (address_offset > NO_OFFSET) |
| relocs->address = bfd_getl64 (arg_ptr + address_offset); |
| else |
| relocs->address = vaddr; |
| |
| if (addend_offset > NO_OFFSET) |
| relocs->addend = bfd_getl64 (arg_ptr + addend_offset); |
| else |
| relocs->addend = 0; |
| |
| vaddr += bfd_get_reloc_size (relocs->howto); |
| relocs++; |
| } |
| |
| #undef PUSH_CMD |
| #undef POP_CMD |
| #undef NO_OFFSET |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (3, "_bfd_vms_decode_relocs: result = 0\n"); |
| #endif |
| |
| return 0; |
| } |
| |
| /* Process LNK record |
| Return 0 on success, -1 on error |
| |
| Not implemented yet. */ |
| |
| int |
| _bfd_vms_slurp_lnk (bfd * abfd ATTRIBUTE_UNUSED, |
| int objtype ATTRIBUTE_UNUSED) |
| { |
| #if VMS_DEBUG |
| _bfd_vms_debug (2, "LNK\n"); |
| #endif |
| |
| return 0; |
| } |
| |
| /* WRITE ETIR SECTION |
| |
| This is still under construction and therefore not documented. */ |
| |
| static void start_etir_record (bfd *abfd, int sec_index, uquad offset, |
| bfd_boolean justoffset); |
| static void start_first_etbt_record (bfd *abfd); |
| static void start_another_etbt_record (bfd *abfd); |
| static void sto_imm (bfd *abfd, bfd_size_type, unsigned char *, bfd_vma vaddr, |
| int sec_index, const char *name); |
| static void end_etir_record (bfd *abfd); |
| static void etir_output_check (bfd *abfd, asection *section, bfd_vma vaddr, |
| int checklen); |
| |
| /* Start ETIR record for section #index at virtual addr offset. */ |
| |
| static void |
| start_etir_record (bfd * abfd, int sec_index, uquad offset, bfd_boolean justoffset) |
| { |
| if (!justoffset) |
| { |
| /* One ETIR per section. */ |
| _bfd_vms_output_begin (abfd, EOBJ_S_C_ETIR, -1); |
| _bfd_vms_output_push (abfd); |
| } |
| |
| /* Push start offset. */ |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STA_PQ, -1); |
| _bfd_vms_output_long (abfd, (unsigned long) sec_index); |
| _bfd_vms_output_quad (abfd, (uquad) offset); |
| _bfd_vms_output_flush (abfd); |
| |
| /* Start = pop (). */ |
| _bfd_vms_output_begin (abfd, ETIR_S_C_CTL_SETRB, -1); |
| _bfd_vms_output_flush (abfd); |
| } |
| |
| static void |
| end_etir_record (bfd * abfd) |
| { |
| _bfd_vms_output_pop (abfd); |
| _bfd_vms_output_end (abfd); |
| } |
| |
| /* Output a STO_IMM command for SSIZE bytes of data from CPR at virtual |
| address VADDR in section specified by SEC_INDEX and NAME. */ |
| |
| static void |
| sto_imm (bfd *abfd, bfd_size_type ssize, unsigned char *cptr, bfd_vma vaddr, |
| int sec_index, const char *name) |
| { |
| bfd_size_type size; |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (8, "sto_imm %d bytes\n", ssize); |
| _bfd_hexdump (9, cptr, (int) ssize, (int) vaddr); |
| #endif |
| |
| while (ssize > 0) |
| { |
| /* Try all the rest. */ |
| size = ssize; |
| |
| if (_bfd_vms_output_check (abfd, size) < 0) |
| { |
| /* Doesn't fit, split ! */ |
| end_etir_record (abfd); |
| |
| if (name [0] && name[1] == 'v' && !strcmp (name, ".vmsdebug")) |
| start_another_etbt_record (abfd); |
| else |
| start_etir_record (abfd, sec_index, vaddr, FALSE); |
| |
| size = _bfd_vms_output_check (abfd, 0); /* get max size */ |
| if (size > ssize) /* more than what's left ? */ |
| size = ssize; |
| } |
| |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STO_IMM, -1); |
| _bfd_vms_output_long (abfd, (unsigned long) (size)); |
| _bfd_vms_output_dump (abfd, cptr, size); |
| _bfd_vms_output_flush (abfd); |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (10, "dumped %d bytes\n", size); |
| _bfd_hexdump (10, cptr, (int) size, (int) vaddr); |
| #endif |
| |
| vaddr += size; |
| cptr += size; |
| ssize -= size; |
| } |
| } |
| |
| /* Start ETBT record for section #index at virtual addr offset. */ |
| |
| static void |
| start_first_etbt_record (bfd *abfd) |
| { |
| _bfd_vms_output_begin (abfd, EOBJ_S_C_ETBT, -1); |
| _bfd_vms_output_push (abfd); |
| |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STA_LW, -1); /* push start offset */ |
| _bfd_vms_output_long (abfd, (unsigned long) 0); |
| _bfd_vms_output_flush (abfd); |
| |
| _bfd_vms_output_begin (abfd, ETIR_S_C_CTL_DFLOC, -1); /* start = pop() */ |
| _bfd_vms_output_flush (abfd); |
| } |
| |
| static void |
| start_another_etbt_record (bfd *abfd) |
| { |
| _bfd_vms_output_begin (abfd, EOBJ_S_C_ETBT, -1); |
| _bfd_vms_output_push (abfd); |
| } |
| |
| static void |
| etir_output_check (bfd *abfd, asection *section, bfd_vma vaddr, int checklen) |
| { |
| if (_bfd_vms_output_check (abfd, checklen) < 0) |
| { |
| end_etir_record (abfd); |
| if (section->name[0] && section->name[1] == 'v' |
| && !strcmp (section->name, ".vmsdebug")) |
| start_another_etbt_record (abfd); |
| else |
| start_etir_record (abfd, section->index, vaddr, FALSE); |
| } |
| } |
| |
| /* Return whether RELOC must be deferred till the end. */ |
| |
| static int |
| defer_reloc_p (arelent *reloc) |
| { |
| switch (reloc->howto->type) |
| { |
| case ALPHA_R_NOP: |
| case ALPHA_R_LDA: |
| case ALPHA_R_BSR: |
| case ALPHA_R_BOH: |
| return 1; |
| |
| default: |
| return 0; |
| } |
| } |
| |
| /* Write section contents for bfd abfd. */ |
| |
| int |
| _bfd_vms_write_tir (bfd * abfd, int objtype ATTRIBUTE_UNUSED) |
| { |
| asection *section; |
| |
| #if VMS_DEBUG |
| _bfd_vms_debug (2, "vms_write_tir (%p, %d)\n", abfd, objtype); |
| #endif |
| |
| _bfd_vms_output_alignment (abfd, 4); |
| |
| PRIV (vms_linkage_index) = 1; |
| |
| for (section = abfd->sections; section; section = section->next) |
| { |
| #if VMS_DEBUG |
| _bfd_vms_debug (4, "writing %d. section '%s' (%d bytes)\n", |
| section->index, section->name, |
| (int) (section->size)); |
| #endif |
| |
| if (!(section->flags & SEC_HAS_CONTENTS) |
| || bfd_is_com_section (section)) |
| continue; |
| |
| if (!section->contents) |
| { |
| bfd_set_error (bfd_error_no_contents); |
| return -1; |
| } |
| |
| if (section->name[0] |
| && section->name[1] == 'v' |
| && !strcmp (section->name, ".vmsdebug")) |
| start_first_etbt_record (abfd); |
| else |
| start_etir_record (abfd, section->index, 0, FALSE); |
| |
| if (section->flags & SEC_RELOC) |
| { |
| bfd_vma curr_addr = 0; |
| unsigned char *curr_data = section->contents; |
| bfd_size_type size; |
| int pass2_needed = 0; |
| int pass2_in_progress = 0; |
| unsigned int irel; |
| |
| if (section->reloc_count <= 0) |
| (*_bfd_error_handler) |
| (_("SEC_RELOC with no relocs in section %s"), section->name); |
| |
| #if VMS_DEBUG |
| else |
| { |
| int i = section->reloc_count; |
| arelent **rptr = section->orelocation; |
| _bfd_vms_debug (4, "%d relocations:\n", i); |
| while (i-- > 0) |
| { |
| _bfd_vms_debug (4, "sym %s in sec %s, value %08lx, " |
| "addr %08lx, off %08lx, len %d: %s\n", |
| (*(*rptr)->sym_ptr_ptr)->name, |
| (*(*rptr)->sym_ptr_ptr)->section->name, |
| (long) (*(*rptr)->sym_ptr_ptr)->value, |
| (*rptr)->address, (*rptr)->addend, |
| bfd_get_reloc_size ((*rptr)->howto), |
| ( *rptr)->howto->name); |
| rptr++; |
| } |
| } |
| #endif |
| |
| new_pass: |
| for (irel = 0; irel < section->reloc_count; irel++) |
| { |
| struct evax_private_udata_struct *udata; |
| arelent *rptr = section->orelocation [irel]; |
| bfd_vma addr = rptr->address; |
| asymbol *sym = *rptr->sym_ptr_ptr; |
| asection *sec = sym->section; |
| int defer = defer_reloc_p (rptr); |
| unsigned int slen; |
| char *hash; |
| |
| if (pass2_in_progress) |
| { |
| /* Non-deferred relocs have already been output. */ |
| if (!defer) |
| continue; |
| } |
| else |
| { |
| /* Deferred relocs must be output at the very end. */ |
| if (defer) |
| { |
| pass2_needed = 1; |
| continue; |
| } |
| |
| /* Regular relocs are intertwined with binary data. */ |
| if (curr_addr > addr) |
| (*_bfd_error_handler) (_("Size error in section %s"), |
| section->name); |
| size = addr - curr_addr; |
| sto_imm (abfd, size, curr_data, curr_addr, |
| section->index, section->name); |
| curr_data += size; |
| curr_addr += size; |
| } |
| |
| size = bfd_get_reloc_size (rptr->howto); |
| |
| switch (rptr->howto->type) |
| { |
| case ALPHA_R_IGNORE: |
| break; |
| |
| case ALPHA_R_REFLONG: |
| if (bfd_is_und_section (sym->section)) |
| { |
| bfd_vma addend = rptr->addend; |
| slen = strlen ((char *) sym->name); |
| hash = _bfd_vms_length_hash_symbol |
| (abfd, sym->name, EOBJ_S_C_SYMSIZ); |
| etir_output_check (abfd, section, curr_addr, slen); |
| if (addend) |
| { |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STA_GBL, -1); |
| _bfd_vms_output_counted (abfd, hash); |
| _bfd_vms_output_flush (abfd); |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STA_LW, -1); |
| _bfd_vms_output_long (abfd, (unsigned long) addend); |
| _bfd_vms_output_flush (abfd); |
| _bfd_vms_output_begin (abfd, ETIR_S_C_OPR_ADD, -1); |
| _bfd_vms_output_flush (abfd); |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STO_LW, -1); |
| _bfd_vms_output_flush (abfd); |
| } |
| else |
| { |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STO_GBL_LW, -1); |
| _bfd_vms_output_counted (abfd, hash); |
| _bfd_vms_output_flush (abfd); |
| } |
| } |
| else if (bfd_is_abs_section (sym->section)) |
| { |
| etir_output_check (abfd, section, curr_addr, 16); |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STA_LW, -1); |
| _bfd_vms_output_long (abfd, (unsigned long) sym->value); |
| _bfd_vms_output_flush (abfd); |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STO_LW, -1); |
| _bfd_vms_output_flush (abfd); |
| } |
| else |
| { |
| etir_output_check (abfd, section, curr_addr, 32); |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STA_PQ, -1); |
| _bfd_vms_output_long (abfd, (unsigned long) sec->index); |
| _bfd_vms_output_quad (abfd, (uquad) rptr->addend |
| + (uquad) sym->value); |
| _bfd_vms_output_flush (abfd); |
| /* ??? Table B-8 of the OpenVMS Linker Utilily Manual |
| says that we should have a ETIR_S_C_STO_OFF here. |
| But the relocation would not be BFD_RELOC_32 then. |
| This case is very likely unreachable. */ |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STO_LW, -1); |
| _bfd_vms_output_flush (abfd); |
| } |
| break; |
| |
| case ALPHA_R_REFQUAD: |
| if (bfd_is_und_section (sym->section)) |
| { |
| bfd_vma addend = rptr->addend; |
| slen = strlen ((char *) sym->name); |
| hash = _bfd_vms_length_hash_symbol |
| (abfd, sym->name, EOBJ_S_C_SYMSIZ); |
| etir_output_check (abfd, section, curr_addr, slen); |
| if (addend) |
| { |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STA_GBL, -1); |
| _bfd_vms_output_counted (abfd, hash); |
| _bfd_vms_output_flush (abfd); |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STA_QW, -1); |
| _bfd_vms_output_quad (abfd, (uquad) addend); |
| _bfd_vms_output_flush (abfd); |
| _bfd_vms_output_begin (abfd, ETIR_S_C_OPR_ADD, -1); |
| _bfd_vms_output_flush (abfd); |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STO_QW, -1); |
| _bfd_vms_output_flush (abfd); |
| } |
| else |
| { |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STO_GBL, -1); |
| _bfd_vms_output_counted (abfd, hash); |
| _bfd_vms_output_flush (abfd); |
| } |
| } |
| else if (bfd_is_abs_section (sym->section)) |
| { |
| etir_output_check (abfd, section, curr_addr, 16); |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STA_QW, -1); |
| _bfd_vms_output_quad (abfd, (uquad) sym->value); |
| _bfd_vms_output_flush (abfd); |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STO_QW, -1); |
| _bfd_vms_output_flush (abfd); |
| } |
| else |
| { |
| etir_output_check (abfd, section, curr_addr, 32); |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STA_PQ, -1); |
| _bfd_vms_output_long (abfd, (unsigned long) sec->index); |
| _bfd_vms_output_quad (abfd, (uquad) rptr->addend |
| + (uquad) sym->value); |
| _bfd_vms_output_flush (abfd); |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STO_OFF, -1); |
| _bfd_vms_output_flush (abfd); |
| } |
| break; |
| |
| case ALPHA_R_HINT: |
| sto_imm (abfd, size, curr_data, curr_addr, |
| section->index, section->name); |
| break; |
| |
| case ALPHA_R_LINKAGE: |
| etir_output_check (abfd, section, curr_addr, 64); |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STC_LP_PSB, -1); |
| _bfd_vms_output_long |
| (abfd, (unsigned long) PRIV (vms_linkage_index)); |
| PRIV (vms_linkage_index) += 2; |
| hash = _bfd_vms_length_hash_symbol |
| (abfd, sym->name, EOBJ_S_C_SYMSIZ); |
| _bfd_vms_output_counted (abfd, hash); |
| _bfd_vms_output_byte (abfd, 0); |
| _bfd_vms_output_flush (abfd); |
| break; |
| |
| case ALPHA_R_CODEADDR: |
| slen = strlen ((char *) sym->name); |
| hash = _bfd_vms_length_hash_symbol |
| (abfd, sym->name, EOBJ_S_C_SYMSIZ); |
| etir_output_check (abfd, section, curr_addr, slen); |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STO_CA, -1); |
| _bfd_vms_output_counted (abfd, hash); |
| _bfd_vms_output_flush (abfd); |
| break; |
| |
| case ALPHA_R_NOP: |
| udata |
| = (struct evax_private_udata_struct *) rptr->sym_ptr_ptr; |
| etir_output_check (abfd, section, curr_addr, |
| 32 + 1 + strlen (udata->origname)); |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STC_NOP_GBL, -1); |
| _bfd_vms_output_long (abfd, (unsigned long) udata->lkindex); |
| _bfd_vms_output_long |
| (abfd, (unsigned long) udata->enbsym->section->index); |
| _bfd_vms_output_quad (abfd, (uquad) rptr->address); |
| _bfd_vms_output_long (abfd, (unsigned long) 0x47ff041f); |
| _bfd_vms_output_long |
| (abfd, (unsigned long) udata->enbsym->section->index); |
| _bfd_vms_output_quad (abfd, (uquad) rptr->addend); |
| _bfd_vms_output_counted |
| (abfd, _bfd_vms_length_hash_symbol |
| (abfd, udata->origname, EOBJ_S_C_SYMSIZ)); |
| _bfd_vms_output_flush (abfd); |
| break; |
| |
| case ALPHA_R_BSR: |
| (*_bfd_error_handler) (_("Spurious ALPHA_R_BSR reloc")); |
| break; |
| |
| case ALPHA_R_LDA: |
| udata |
| = (struct evax_private_udata_struct *) rptr->sym_ptr_ptr; |
| etir_output_check (abfd, section, curr_addr, |
| 32 + 1 + strlen (udata->origname)); |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STC_LDA_GBL, -1); |
| _bfd_vms_output_long |
| (abfd, (unsigned long) udata->lkindex + 1); |
| _bfd_vms_output_long |
| (abfd, (unsigned long) udata->enbsym->section->index); |
| _bfd_vms_output_quad (abfd, (uquad) rptr->address); |
| _bfd_vms_output_long (abfd, (unsigned long) 0x237B0000); |
| _bfd_vms_output_long |
| (abfd, (unsigned long) udata->bsym->section->index); |
| _bfd_vms_output_quad (abfd, (uquad) rptr->addend); |
| _bfd_vms_output_counted |
| (abfd, _bfd_vms_length_hash_symbol |
| (abfd, udata->origname, EOBJ_S_C_SYMSIZ)); |
| _bfd_vms_output_flush (abfd); |
| break; |
| |
| case ALPHA_R_BOH: |
| udata |
| = (struct evax_private_udata_struct *) rptr->sym_ptr_ptr; |
| etir_output_check (abfd, section, curr_addr, |
| 32 + 1 + strlen (udata->origname)); |
| _bfd_vms_output_begin (abfd, ETIR_S_C_STC_BOH_GBL, -1); |
| _bfd_vms_output_long (abfd, (unsigned long) udata->lkindex); |
| _bfd_vms_output_long |
| (abfd, (unsigned long) udata->enbsym->section->index); |
| _bfd_vms_output_quad (abfd, (uquad) rptr->address); |
| _bfd_vms_output_long (abfd, (unsigned long) 0xD3400000); |
| _bfd_vms_output_long |
| (abfd, (unsigned long) udata->enbsym->section->index); |
| _bfd_vms_output_quad (abfd, (uquad) rptr->addend); |
| _bfd_vms_output_counted |
| (abfd, _bfd_vms_length_hash_symbol |
| (abfd, udata->origname, EOBJ_S_C_SYMSIZ)); |
| _bfd_vms_output_flush (abfd); |
| break; |
| |
| default: |
| (*_bfd_error_handler) (_("Unhandled relocation %s"), |
| rptr->howto->name); |
| break; |
| } |
| |
| curr_data += size; |
| curr_addr += size; |
| } /* End of relocs loop. */ |
| |
| if (!pass2_in_progress) |
| { |
| /* Output rest of section. */ |
| if (curr_addr > section->size) |
| (*_bfd_error_handler) (_("Size error in section %s"), |
| section->name); |
| size = section->size - curr_addr; |
| sto_imm (abfd, size, curr_data, curr_addr, |
| section->index, section->name); |
| curr_data += size; |
| curr_addr += size; |
| |
| if (pass2_needed) |
| { |
| pass2_in_progress = 1; |
| goto new_pass; |
| } |
| } |
| } |
| |
| else /* (section->flags & SEC_RELOC) */ |
| sto_imm (abfd, section->size, section->contents, 0, |
| section->index, section->name); |
| |
| end_etir_record (abfd); |
| } |
| |
| _bfd_vms_output_alignment (abfd, 2); |
| return 0; |
| } |