OpenE2K/binutils-gdb
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Don't pass -m32 to libcc1 on arm-linux

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When I run gdb.compile/ tests on arm-linux, I get the following fails,

(gdb) compile code -- ;^M
arm-none-linux-gnueabihf-gcc: error: unrecognized command line option '-m32'; did you mean '-mbe32'?^M
Compilation failed.^M
(gdb) compile code (void) param^M
arm-none-linux-gnueabihf-gcc: error: unrecognized command line option '-m32'; did you mean '-mbe32'?^M
Compilation failed.^M
(gdb) FAIL: gdb.compile/compile-ops.exp: compile code (void) param

This patch fixes it by implementing gcc_target_options gdbarch method
for arm-linux to override option "-m32".

gdb:

2018-01-19  Yao Qi  <yao.qi@linaro.org>

	* arm-linux-tdep.c (arm_linux_gcc_target_options): New function.
	(arm_linux_init_abi): Install it.
This commit is contained in:
Yao Qi 2018-01-19 09:16:45 +00:00
parent dea445b940
commit 88af8ea80b
2 changed files with 16 additions and 0 deletions
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5
gdb/ChangeLog
View File

@ -1,3 +1,8 @@
2018-01-19 Yao Qi <yao.qi@linaro.org>
* arm-linux-tdep.c (arm_linux_gcc_target_options): New function.
(arm_linux_init_abi): Install it.
2018-01-19 Yao Qi <yao.qi@linaro.org>
* osabi.c (gdb_osabi_names): Extend the regexp for

11
gdb/arm-linux-tdep.c
View File

@ -1712,6 +1712,15 @@ arm_linux_skip_trampoline_code (struct frame_info *frame, CORE_ADDR pc)
return find_solib_trampoline_target (frame, pc);
}
/* Implement the gcc_target_options gdbarch method. */
static char *
arm_linux_gcc_target_options (struct gdbarch *gdbarch)
{
/* GCC doesn't know "-m32". */
return NULL;
}
static void
arm_linux_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
@ -1992,6 +2001,8 @@ arm_linux_init_abi (struct gdbarch_info info,
arm_linux_record_tdep.arg5 = ARM_A1_REGNUM + 4;
arm_linux_record_tdep.arg6 = ARM_A1_REGNUM + 5;
arm_linux_record_tdep.arg7 = ARM_A1_REGNUM + 6;
set_gdbarch_gcc_target_options (gdbarch, arm_linux_gcc_target_options);
}
void