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restore EH on x86-vx7r2

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x86-vx7r2 needs svr4_dbx_register_map, but the default in i386/i386.h
was dbx_register_map, partially swapping ebp and esp in unwind info.

i386/vxworks.h had a correct overrider, but it was conditional for
vxworks < 7.  This patch reenables the overrider unconditionally.


for  gcc/ChangeLog

	* config/i386/vxworks.h (DBX_REGISTER_NUMBER): Make it
	unconditional.
This commit is contained in:
Alexandre Oliva 2021-05-04 21:49:41 -03:00 committed by Alexandre Oliva
parent 99e8df7a4c
commit 9aed32cc8f
1 changed files with 7 additions and 7 deletions
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14
gcc/config/i386/vxworks.h
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@ -37,13 +37,6 @@ along with GCC; see the file COPYING3. If not see
#define TARGET_SUBTARGET_DEFAULT \
(MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_VECT8_RETURNS)
/* Provide our target specific DBX_REGISTER_NUMBER. VxWorks relies on
the SVR4 numbering. */
#undef DBX_REGISTER_NUMBER
#define DBX_REGISTER_NUMBER(n) \
(TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE (TARGET_LP64 ? "long int" : "int")
@ -61,6 +54,13 @@ along with GCC; see the file COPYING3. If not see
#endif
/* Provide our target specific DBX_REGISTER_NUMBER. VxWorks relies on
the SVR4 numbering. */
#undef DBX_REGISTER_NUMBER
#define DBX_REGISTER_NUMBER(n) \
(TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
/* CPU macro definitions, ordered to account for VxWorks 7 not
supporting CPUs older than PENTIUM4 since SR0650. */