| |
| # (C) Copyright IBM Corporation 2004 |
| # All Rights Reserved. |
| # |
| # Permission is hereby granted, free of charge, to any person obtaining a |
| # copy of this software and associated documentation files (the "Software"), |
| # to deal in the Software without restriction, including without limitation |
| # on the rights to use, copy, modify, merge, publish, distribute, sub |
| # license, and/or sell copies of the Software, and to permit persons to whom |
| # the Software is furnished to do so, subject to the following conditions: |
| # |
| # The above copyright notice and this permission notice (including the next |
| # paragraph) shall be included in all copies or substantial portions of the |
| # Software. |
| # |
| # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| # FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| # IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| # IN THE SOFTWARE. |
| # |
| # Authors: |
| # Ian Romanick <idr@us.ibm.com> |
| |
| from __future__ import print_function |
| |
| import argparse |
| |
| import license |
| import gl_XML, glX_XML |
| |
| class PrintGenericStubs(gl_XML.gl_print_base): |
| def __init__(self): |
| gl_XML.gl_print_base.__init__(self) |
| self.name = "gl_SPARC_asm.py (from Mesa)" |
| self.license = license.bsd_license_template % ( \ |
| """Copyright (C) 1999-2003 Brian Paul All Rights Reserved. |
| (C) Copyright IBM Corporation 2004""", "BRIAN PAUL, IBM") |
| |
| |
| def printRealHeader(self): |
| print('#ifdef __arch64__') |
| print('#define GL_OFF(N)\t((N) * 8)') |
| print('#define GL_LL\t\tldx') |
| print('#define GL_TIE_LD(SYM)\t%tie_ldx(SYM)') |
| print('#define GL_STACK_SIZE\t128') |
| print('#else') |
| print('#define GL_OFF(N)\t((N) * 4)') |
| print('#define GL_LL\t\tld') |
| print('#define GL_TIE_LD(SYM)\t%tie_ld(SYM)') |
| print('#define GL_STACK_SIZE\t64') |
| print('#endif') |
| print('') |
| print('#define GLOBL_FN(x) .globl x ; .type x, @function') |
| print('#define HIDDEN(x) .hidden x') |
| print('') |
| print('\t.register %g2, #scratch') |
| print('\t.register %g3, #scratch') |
| print('') |
| print('\t.text') |
| print('') |
| print('\tGLOBL_FN(__glapi_sparc_icache_flush)') |
| print('\tHIDDEN(__glapi_sparc_icache_flush)') |
| print('\t.type\t__glapi_sparc_icache_flush, @function') |
| print('__glapi_sparc_icache_flush: /* %o0 = insn_addr */') |
| print('\tflush\t%o0') |
| print('\tretl') |
| print('\t nop') |
| print('') |
| print('\t.align\t32') |
| print('') |
| print('\t.type\t__glapi_sparc_get_pc, @function') |
| print('__glapi_sparc_get_pc:') |
| print('\tretl') |
| print('\t add\t%o7, %g2, %g2') |
| print('\t.size\t__glapi_sparc_get_pc, .-__glapi_sparc_get_pc') |
| print('') |
| print('#ifdef GLX_USE_TLS') |
| print('') |
| print('\tGLOBL_FN(__glapi_sparc_get_dispatch)') |
| print('\tHIDDEN(__glapi_sparc_get_dispatch)') |
| print('__glapi_sparc_get_dispatch:') |
| print('\tmov\t%o7, %g1') |
| print('\tsethi\t%hi(_GLOBAL_OFFSET_TABLE_-4), %g2') |
| print('\tcall\t__glapi_sparc_get_pc') |
| print('\tadd\t%g2, %lo(_GLOBAL_OFFSET_TABLE_+4), %g2') |
| print('\tmov\t%g1, %o7') |
| print('\tsethi\t%tie_hi22(_glapi_tls_Dispatch), %g1') |
| print('\tadd\t%g1, %tie_lo10(_glapi_tls_Dispatch), %g1') |
| print('\tGL_LL\t[%g2 + %g1], %g2, GL_TIE_LD(_glapi_tls_Dispatch)') |
| print('\tretl') |
| print('\t mov\t%g2, %o0') |
| print('') |
| print('\t.data') |
| print('\t.align\t32') |
| print('') |
| print('\t/* --> sethi %hi(_glapi_tls_Dispatch), %g1 */') |
| print('\t/* --> or %g1, %lo(_glapi_tls_Dispatch), %g1 */') |
| print('\tGLOBL_FN(__glapi_sparc_tls_stub)') |
| print('\tHIDDEN(__glapi_sparc_tls_stub)') |
| print('__glapi_sparc_tls_stub: /* Call offset in %g3 */') |
| print('\tmov\t%o7, %g1') |
| print('\tsethi\t%hi(_GLOBAL_OFFSET_TABLE_-4), %g2') |
| print('\tcall\t__glapi_sparc_get_pc') |
| print('\tadd\t%g2, %lo(_GLOBAL_OFFSET_TABLE_+4), %g2') |
| print('\tmov\t%g1, %o7') |
| print('\tsrl\t%g3, 10, %g3') |
| print('\tsethi\t%tie_hi22(_glapi_tls_Dispatch), %g1') |
| print('\tadd\t%g1, %tie_lo10(_glapi_tls_Dispatch), %g1') |
| print('\tGL_LL\t[%g2 + %g1], %g2, GL_TIE_LD(_glapi_tls_Dispatch)') |
| print('\tGL_LL\t[%g7+%g2], %g1') |
| print('\tGL_LL\t[%g1 + %g3], %g1') |
| print('\tjmp\t%g1') |
| print('\t nop') |
| print('\t.size\t__glapi_sparc_tls_stub, .-__glapi_sparc_tls_stub') |
| print('') |
| print('#define GL_STUB(fn, off)\t\t\t\t\\') |
| print('\tGLOBL_FN(fn);\t\t\t\t\t\\') |
| print('fn:\tba\t__glapi_sparc_tls_stub;\t\t\t\\') |
| print('\t sethi\tGL_OFF(off), %g3;\t\t\t\\') |
| print('\t.size\tfn,.-fn;') |
| print('') |
| print('#elif defined(HAVE_PTHREAD)') |
| print('') |
| print('\t/* 64-bit 0x00 --> sethi %hh(_glapi_Dispatch), %g1 */') |
| print('\t/* 64-bit 0x04 --> sethi %lm(_glapi_Dispatch), %g2 */') |
| print('\t/* 64-bit 0x08 --> or %g1, %hm(_glapi_Dispatch), %g1 */') |
| print('\t/* 64-bit 0x0c --> sllx %g1, 32, %g1 */') |
| print('\t/* 64-bit 0x10 --> add %g1, %g2, %g1 */') |
| print('\t/* 64-bit 0x14 --> ldx [%g1 + %lo(_glapi_Dispatch)], %g1 */') |
| print('') |
| print('\t/* 32-bit 0x00 --> sethi %hi(_glapi_Dispatch), %g1 */') |
| print('\t/* 32-bit 0x04 --> ld [%g1 + %lo(_glapi_Dispatch)], %g1 */') |
| print('') |
| print('\t.data') |
| print('\t.align\t32') |
| print('') |
| print('\tGLOBL_FN(__glapi_sparc_pthread_stub)') |
| print('\tHIDDEN(__glapi_sparc_pthread_stub)') |
| print('__glapi_sparc_pthread_stub: /* Call offset in %g3 */') |
| print('\tmov\t%o7, %g1') |
| print('\tsethi\t%hi(_GLOBAL_OFFSET_TABLE_-4), %g2') |
| print('\tcall\t__glapi_sparc_get_pc') |
| print('\t add\t%g2, %lo(_GLOBAL_OFFSET_TABLE_+4), %g2') |
| print('\tmov\t%g1, %o7') |
| print('\tsethi\t%hi(_glapi_Dispatch), %g1') |
| print('\tor\t%g1, %lo(_glapi_Dispatch), %g1') |
| print('\tsrl\t%g3, 10, %g3') |
| print('\tGL_LL\t[%g2+%g1], %g2') |
| print('\tGL_LL\t[%g2], %g1') |
| print('\tcmp\t%g1, 0') |
| print('\tbe\t2f') |
| print('\t nop') |
| print('1:\tGL_LL\t[%g1 + %g3], %g1') |
| print('\tjmp\t%g1') |
| print('\t nop') |
| print('2:\tsave\t%sp, GL_STACK_SIZE, %sp') |
| print('\tmov\t%g3, %l0') |
| print('\tcall\t_glapi_get_dispatch') |
| print('\t nop') |
| print('\tmov\t%o0, %g1') |
| print('\tmov\t%l0, %g3') |
| print('\tba\t1b') |
| print('\t restore %g0, %g0, %g0') |
| print('\t.size\t__glapi_sparc_pthread_stub, .-__glapi_sparc_pthread_stub') |
| print('') |
| print('#define GL_STUB(fn, off)\t\t\t\\') |
| print('\tGLOBL_FN(fn);\t\t\t\t\\') |
| print('fn:\tba\t__glapi_sparc_pthread_stub;\t\\') |
| print('\t sethi\tGL_OFF(off), %g3;\t\t\\') |
| print('\t.size\tfn,.-fn;') |
| print('') |
| print('#else /* Non-threaded version. */') |
| print('') |
| print('\t.type __glapi_sparc_nothread_stub, @function') |
| print('__glapi_sparc_nothread_stub: /* Call offset in %g3 */') |
| print('\tmov\t%o7, %g1') |
| print('\tsethi\t%hi(_GLOBAL_OFFSET_TABLE_-4), %g2') |
| print('\tcall\t__glapi_sparc_get_pc') |
| print('\t add\t%g2, %lo(_GLOBAL_OFFSET_TABLE_+4), %g2') |
| print('\tmov\t%g1, %o7') |
| print('\tsrl\t%g3, 10, %g3') |
| print('\tsethi\t%hi(_glapi_Dispatch), %g1') |
| print('\tor\t%g1, %lo(_glapi_Dispatch), %g1') |
| print('\tGL_LL\t[%g2+%g1], %g2') |
| print('\tGL_LL\t[%g2], %g1') |
| print('\tGL_LL\t[%g1 + %g3], %g1') |
| print('\tjmp\t%g1') |
| print('\t nop') |
| print('\t.size\t__glapi_sparc_nothread_stub, .-__glapi_sparc_nothread_stub') |
| print('') |
| print('#define GL_STUB(fn, off)\t\t\t\\') |
| print('\tGLOBL_FN(fn);\t\t\t\t\\') |
| print('fn:\tba\t__glapi_sparc_nothread_stub;\t\\') |
| print('\t sethi\tGL_OFF(off), %g3;\t\t\\') |
| print('\t.size\tfn,.-fn;') |
| print('') |
| print('#endif') |
| print('') |
| print('#define GL_STUB_ALIAS(fn, alias) \\') |
| print(' .globl fn; \\') |
| print(' .set fn, alias') |
| print('') |
| print('\t.text') |
| print('\t.align\t32') |
| print('') |
| print('\t.globl\tgl_dispatch_functions_start') |
| print('\tHIDDEN(gl_dispatch_functions_start)') |
| print('gl_dispatch_functions_start:') |
| print('') |
| return |
| |
| def printRealFooter(self): |
| print('') |
| print('\t.globl\tgl_dispatch_functions_end') |
| print('\tHIDDEN(gl_dispatch_functions_end)') |
| print('gl_dispatch_functions_end:') |
| return |
| |
| def printBody(self, api): |
| for f in api.functionIterateByOffset(): |
| name = f.dispatch_name() |
| |
| print('\tGL_STUB(gl%s, %d)' % (name, f.offset)) |
| |
| if not f.is_static_entry_point(f.name): |
| print('\tHIDDEN(gl%s)' % (name)) |
| |
| for f in api.functionIterateByOffset(): |
| name = f.dispatch_name() |
| |
| if f.is_static_entry_point(f.name): |
| for n in f.entry_points: |
| if n != f.name: |
| text = '\tGL_STUB_ALIAS(gl%s, gl%s)' % (n, f.name) |
| |
| if f.has_different_protocol(n): |
| print('#ifndef GLX_INDIRECT_RENDERING') |
| print(text) |
| print('#endif') |
| else: |
| print(text) |
| |
| return |
| |
| |
| def _parser(): |
| """Parse arguments and return a namespace.""" |
| parser = argparse.ArgumentParser() |
| parser.add_argument('-f', |
| dest='filename', |
| default='gl_API.xml', |
| help='An XML description of an API.') |
| return parser.parse_args() |
| |
| |
| def main(): |
| """Main function.""" |
| args = _parser() |
| printer = PrintGenericStubs() |
| |
| api = gl_XML.parse_GL_API(args.filename, glX_XML.glx_item_factory()) |
| printer.Print(api) |
| |
| |
| if __name__ == '__main__': |
| main() |