| # Copyright 1998, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. |
| # |
| # 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| # |
| # Please email any bugs, comments, and/or additions to this file to: |
| # bug-gdb@prep.ai.mit.edu |
| # |
| # This file was written by Kendra. |
| |
| if $tracelevel then { |
| strace $tracelevel |
| } |
| |
| # |
| # Test debugging assembly level programs. |
| # This file uses asmsrc[12].s for input. |
| # |
| |
| set prms_id 0 |
| set bug_id 0 |
| |
| set asm-arch "" |
| set asm-note "empty" |
| set asm-flags "" |
| set link-flags "-e _start" |
| set debug-flags "" |
| |
| switch -glob -- [istarget] { |
| "alpha*-*-*" { |
| set asm-arch alpha |
| # ??? Won't work with ecoff systems like Tru64, but then we also |
| # don't have any other -g flag that creates mdebug output. |
| set asm-flags "-no-mdebug -I${srcdir}/${subdir} -I${objdir}/${subdir}" |
| set debug-flags "-gdwarf-2" |
| } |
| "*arm-*-*" { |
| set asm-arch arm |
| } |
| "xscale-*-*" { |
| set asm-arch arm |
| } |
| "d10v-*-*" { |
| set asm-arch d10v |
| } |
| "frv-*-*" { |
| set asm-arch frv |
| } |
| "s390-*-*" { |
| set asm-arch s390 |
| } |
| "s390x-*-*" { |
| set asm-arch s390x |
| } |
| "x86_64-*-*" { |
| set asm-arch x86_64 |
| set debug-flags "-gdwarf-2" |
| } |
| "i\[3456\]86-*-*" { |
| set asm-arch i386 |
| } |
| "m32r*-linux*" { |
| set asm-arch m32r-linux |
| } |
| "m32r*-*" { |
| set asm-arch m32r |
| append link-flags "--whole-archive -lgloss --no-whole-archive" |
| } |
| "m6811-*-*" { |
| set asm-arch m68hc11 |
| set asm-flags "-mshort-double -m68hc11 --no-warn -I${srcdir}/${subdir} -I${objdir}/${subdir}" |
| set debug-flags "-gdwarf-2" |
| # This asm test is specific and uses the linker directly. |
| # We must not use the target board linker script defined for other |
| # tests. Remove it and restore it later on. |
| set board [target_info name] |
| set old_ldscript [board_info $board ldscript] |
| unset_board_info "ldscript" |
| } |
| "m6812-*-*" { |
| set asm-arch m68hc11 |
| set asm-flags "-mshort-double -m68hc12 --no-warn -I${srcdir}/${subdir} -I${objdir}/${subdir}" |
| set debug-flags "-gdwarf-2" |
| # This asm test is specific and uses the linker directly. |
| # We must not use the target board linker script defined for other |
| # tests. Remove it and restore it later on. |
| set board [target_info name] |
| set old_ldscript [board_info $board ldscript] |
| set_board_info ldscript "" |
| } |
| "mips*-*" { |
| set asm-arch mips |
| } |
| "powerpc*-*" { |
| set asm-arch powerpc |
| } |
| "sh*-*-*" { |
| set asm-arch sh |
| set debug-flags "-gdwarf-2" |
| } |
| "sparc-*-*" { |
| set asm-arch sparc |
| } |
| "sparc64-*-*" { |
| set asm-arch sparc64 |
| set asm-flags "-xarch=v9 -I${srcdir}/${subdir} -I${objdir}/${subdir}" |
| set debug-flags "-gdwarf-2" |
| } |
| "xstormy16-*-*" { |
| set asm-arch xstormy16 |
| set debug-flags "-gdwarf-2" |
| } |
| "v850-*-*" { |
| set asm-arch v850 |
| set gdb_wrapper_initialized 1 |
| } |
| "m68k-*-*" { |
| set asm-arch m68k |
| } |
| "ia64-*-*" { |
| set asm-arch ia64 |
| set debug-flags "-gdwarf-2" |
| } |
| "iq2000-*-*" { |
| set asm-arch iq2000 |
| } |
| "hppa*-linux-*" { |
| set asm-arch pa |
| set debug-flags "-gdwarf-2" |
| } |
| "hppa-*-openbsd*" { |
| set asm-arch pa |
| set debug-flags "-gdwarf-2" |
| } |
| "hppa64-*-hpux*" { |
| set asm-arch pa64 |
| set debug-flags "-gdwarf-2" |
| } |
| "h83*-*" { |
| set asm-arch h8300 |
| set debug-flags "-gdwarf-2" |
| } |
| } |
| |
| if { "${asm-arch}" == "" } { |
| gdb_suppress_entire_file "Assembly source test -- not implemented for this target." |
| } |
| |
| # On NetBSD/ELF we need a special NetBSD-identifying note section. |
| if { [istarget "*-*-netbsdelf*"] |
| || [istarget "mips*-*-netbsd*"] |
| || [istarget "x86_64-*-netbsd*"] } then { |
| set asm-note "netbsd" |
| } |
| |
| # On OpenBSD/ELF we need a similar note section. We make no attempt |
| # of handing a.out here since most OpenBSD/a.out systems use a rather |
| # outdated assembler that doesn't assemble this test's code anyway. |
| if { [istarget "*-*-openbsd*"] } then { |
| set asm-note "openbsd" |
| } |
| |
| # Watch out, we are invoking the assembler, but the testsuite sets multilib |
| # switches according to compiler syntax. If we pass these options straight |
| # to the assembler, they won't always make sense. If we don't pass them to |
| # the assembler, the final link will complain that the object files were |
| # built with different defaults. So no matter what we do, we lose. We may as |
| # well get out of this test sooner rather than later. |
| set dest [target_info name] |
| if [board_info $dest exists multilib_flags] { |
| set multilib_flags [board_info $dest multilib_flags] |
| if { "${multilib_flags}" != "" } { |
| gdb_suppress_entire_file "Assembly source test -- multilibs not supported by this test." |
| return; |
| } |
| } |
| |
| set testfile "asm-source" |
| set binfile ${objdir}/${subdir}/${testfile} |
| set srcfile1 asmsrc1.s |
| set srcfile2 asmsrc2.s |
| |
| remote_exec build "rm -f ${subdir}/arch.inc" |
| remote_download host ${srcdir}/${subdir}/${asm-arch}.inc ${subdir}/arch.inc |
| remote_exec build "rm -f ${subdir}/note.inc" |
| remote_download host ${srcdir}/${subdir}/${asm-note}.inc ${subdir}/note.inc |
| |
| if { [string equal ${asm-flags} ""] } { |
| set asm-flags "-I${srcdir}/${subdir} -I${objdir}/${subdir}" |
| } |
| |
| if { [string equal ${debug-flags} ""] } { |
| set debug-flags "-gstabs" |
| } |
| |
| # Allow the target board to override the debug flags. |
| if { [board_info $dest exists debug_flags] } then { |
| set debug-flags "[board_info $dest debug_flags]" |
| } |
| |
| # The debug flags are in the format that gcc expects: |
| # "-gdwarf-2", "-gstabs+", or "-gstabs". To be compatible with the |
| # other languages in the test suite, we accept this input format. |
| # So the user can run the test suite with: |
| # |
| # runtest --target_board unix/gdb:debug_flags=-gdwarf-2 |
| # make check RUNTESTFLAGS="--target_board unix/gdb:debug_flags=-gdwarf-2" |
| # |
| # However, the GNU assembler has different spellings than gcc. |
| # So I adjust the debug flags here. |
| |
| # The GNU assembler spells "dwarf-2" as "dwarf2". |
| regsub "--" "-gdwarf-2" "${debug-flags}" "-gdwarf2" debug-flags |
| |
| # The GNU assembler before 2.15 did not support "stabs+". |
| regsub "--" "-gstabs\[+\]" "${debug-flags}" "-gstabs" debug-flags |
| |
| # The GNU assembler does not support level options like "-g2" or "-g3". |
| regsub "--" "-g\[0-9\]" "${debug-flags}" "" debug-flags |
| |
| if {[target_assemble ${srcdir}/${subdir}/${srcfile1} asmsrc1.o "${asm-flags} ${debug-flags}"] != ""} then { |
| gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
| } |
| if {[target_assemble ${srcdir}/${subdir}/${srcfile2} asmsrc2.o "${asm-flags} ${debug-flags}"] != ""} then { |
| gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
| } |
| |
| # We deliberately don't use gdb_compile here to link together the |
| # assembled object files. Using gdb_compile, and therefore the C |
| # compiler, is conceptually wrong, since we're testing raw assembler |
| # code here that provides its own startup code. Using target_link |
| # also avoids a lot of problems on many systems, most notably on |
| # *-*-*bsd* and *-*-solaris2*. |
| if {[target_link "asmsrc1.o asmsrc2.o" "${binfile}" ${link-flags}] != "" } then { |
| gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
| } |
| |
| # Restore the target board linker script for HC11/HC12. |
| if { [istarget "m6811-*-*"] || [istarget "m6812-*-*"] } { |
| set_board_info ldscript $old_ldscript |
| } |
| |
| remote_exec build "mv asmsrc1.o asmsrc2.o ${objdir}/${subdir}" |
| |
| |
| gdb_start |
| gdb_reinitialize_dir $srcdir/$subdir |
| gdb_load ${binfile} |
| |
| # |
| # Run to `main' where we begin our tests. |
| # |
| |
| if ![runto_main] then { |
| gdb_suppress_tests |
| } |
| |
| # Execute the `f' command and see if the result includes source info. |
| gdb_test "f" "asmsrc1\[.\]s:29.*several_nops" "f at main" |
| |
| # See if we properly `next' over a macro with several insns. |
| gdb_test "n" "33\[ \]*.*foo2" "next over macro" |
| |
| # See if we can properly `step' into a subroutine call. |
| gdb_test "s" "8\[ \]*.*" "step into foo2" |
| |
| # Test 'info target', and incidentally capture the entry point address. |
| set entry_point 0 |
| send_gdb "info target\n" |
| gdb_expect { |
| -re "Symbols from .*asm-source.*Entry point: 0x(\[01232456789abcdefABCDEF\]+).*$gdb_prompt $" { |
| set entry_point $expect_out(1,string) |
| pass "info target" |
| } |
| -re ".*$gdb_prompt $" { |
| fail "info target" |
| } |
| timeout { |
| fail "info target (timeout)" |
| } |
| } |
| |
| # Capture the start symbol (may be '_start' or 'start') |
| set entry_symbol "" |
| send_gdb "info symbol 0x$entry_point\n" |
| gdb_expect { |
| -re "info symbol 0x$entry_point\[\r\n\]+(\[^\r\n\]*) in section .*$gdb_prompt $" { |
| # We match the echoed `info symbol' command here, to help us |
| # reliably identify the beginning of the start symbol in the |
| # command's output. You might think we could just use '^' to |
| # start matching at the beginning of the line, but |
| # unfortunately, in Expect, '^' matches the beginning of the |
| # input that hasn't been matched by any expect clause yet. If |
| # every expect clause consumes a complete line, along with its |
| # terminating CR/LF, this is equivalent to the beginning of a |
| # line. But expect clauses that end with `.*' will consume as |
| # much as happened to arrive from the TTY --- exactly where |
| # they leave you depends on inter-process timing. :( |
| set entry_symbol $expect_out(1,string) |
| pass "info symbol" |
| } |
| -re ".*$gdb_prompt $" { |
| fail "info symbol" |
| } |
| timeout { |
| fail "info symbol (timeout)" |
| } |
| } |
| |
| # Now try a 'list' from the other source file. |
| gdb_test "list $entry_symbol" ".*gdbasm_startup.*" "list" |
| |
| # Now try a source file search |
| gdb_test "search A routine for foo2 to call" \ |
| "40\[ \t\]+comment \"A routine for foo2 to call.\"" "search" |
| |
| # See if `f' prints the right source file. |
| gdb_test "f" ".*asmsrc2\[.\]s:8.*" "f in foo2" |
| |
| # `next' one insn (or macro) to set up our stackframe (for the following bt). |
| gdb_test "n" "12\[ \]*.*foo3" "n in foo2" |
| |
| # See if a simple `bt' prints the right source files and |
| # doesn't fall off the stack. |
| |
| gdb_test "bt 10" \ |
| "\#0.*foo2.*asmsrc2\[.\]s:12.*\#1.*main.*asmsrc1\[.\]s:33" \ |
| "bt ALL in foo2" |
| |
| # See if a capped `bt' prints the right source files. |
| gdb_test "bt 2" "\#0.*foo2.*asmsrc2\[.\]s:12.*\#1.*main.*asmsrc1\[.\]s:33.*" "bt 2 in foo2" |
| |
| # Step into another subroutine which lives back in the first source file. |
| gdb_test "s" "" "s 2" |
| |
| # Next over insns to set up the stack frame. |
| gdb_test "n" "" "n 2" |
| |
| # Now see if a capped `bt' is correct. |
| gdb_test "bt 3" "\#0.*foo3.*asmsrc1\[.\]s:45.*\#1.*foo2.*asmsrc2\[.\]s:12.*\#2.*main.*asmsrc1\[.\]s:33.*" "bt 3 in foo3" |
| |
| # Try 'info source' from asmsrc1.s |
| gdb_test "info source" \ |
| "Current source file is .*asmsrc1.s.*Source language is asm.*" \ |
| "info source asmsrc1.s" |
| |
| # Try 'finishing' from foo3 |
| gdb_test "finish" "Run till exit from.*\[\r\n\]13\[ \t\]+gdbasm_call foo3" \ |
| "finish from foo3" |
| |
| # Try 'info source' from asmsrc2.s |
| gdb_test "info source" \ |
| "Current source file is .*asmsrc2.s.*Source language is asm.*" \ |
| "info source asmsrc2.s" |
| |
| # Try 'info sources'. This can produce a lot of output on systems |
| # with dynamic linking, where the system's shared libc was compiled |
| # with debugging info; for example, on Linux, this produces 47kb of |
| # output. So we consume it as we go. |
| send_gdb "info sources\n" |
| set seen_asmsrc_1 0 |
| set seen_asmsrc_2 0 |
| gdb_expect { |
| -re "^\[^,\]*asmsrc1.s(, |\[\r\n\]+)" { |
| set seen_asmsrc_1 1 |
| exp_continue |
| } |
| -re "^\[^,\]*asmsrc2.s(, |\[\r\n\]+)" { |
| set seen_asmsrc_2 1 |
| exp_continue |
| } |
| -re ", " { |
| exp_continue |
| } |
| -re "$gdb_prompt $" { |
| if {$seen_asmsrc_1 && $seen_asmsrc_2} { |
| pass "info sources" |
| } else { |
| fail "info sources" |
| } |
| } |
| timeout { |
| fail "info sources (timeout)" |
| } |
| } |
| |
| |
| # Try 'info line' |
| gdb_test "info line" \ |
| "Line 13 of.*asmsrc2.s.*starts at.*<foo2+.*> and ends at.*<foo2+.*>." \ |
| "info line" |
| |
| # Try 'nexting' over next call to foo3 |
| gdb_test "next" "17\[ \t\]+gdbasm_leave" "next over foo3" |
| |
| # Try 'return' from foo2 |
| gdb_test "return" "\#0 main .*37\[ \t\]+gdbasm_exit0" "return from foo2" \ |
| "Make (foo2|selected stack frame) return now\?.*" "y" |
| |
| # Disassemble something, check the output |
| proc test_dis { command var } { |
| global gdb_prompt |
| send_gdb "${command}\n" |
| gdb_expect { |
| -re "${var}.*:.*(Cannot access|Bad address)" { |
| # The "disassembler" was only accessing the local |
| # executable and that would cause attempts to disassemble |
| # variables to fail (memory not valid). |
| fail "${command} (memory read error)" |
| } |
| -re "${var}.*:.*${gdb_prompt}" { |
| pass "${command}" |
| } |
| timeout { |
| fail "${command} (timeout)" |
| } |
| } |
| } |
| |
| # See if we can look at a global variable, three ways |
| gdb_test "print globalvar" ".* = 11" "look at global variable" |
| test_dis "x/i &globalvar" "globalvar" |
| test_dis "disassem &globalvar &globalvar+1" "globalvar" |
| |
| # See if we can look at a static variable, three ways |
| gdb_test "print staticvar" ".* = 5" "look at static variable" |
| test_dis "x/i &staticvar" "staticvar" |
| test_dis "disassem &staticvar &staticvar+1" "staticvar" |
| |
| # See if we can look at a static function |
| gdb_test "disassem foostatic" ".*<foostatic\\+0>:.*End of assembler dump." \ |
| "look at static function" |
| |
| remote_exec build "rm -f ${subdir}/arch.inc" |
| remote_exec build "rm -f ${subdir}/note.inc" |