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vxworks.h (DBX_REGISTER_NUMBER): Pick distinct map for 64bits.

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2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
            Olivier Hainque  <hainque@adacore.com>

	* config/i386/vxworks.h (DBX_REGISTER_NUMBER): Pick distinct
	map for 64bits.
	(TARGET_OS_CPP_BUILTINS): builtin_define CPU to X86_64 for 64bit
	targets. Pick a default if no particular attempt applied.
	(STACK_CHECK_PROTECT): Double for 64bit targets, which have
	larger contexts.


Co-Authored-By: Olivier Hainque <hainque@adacore.com>

From-SVN: r249690
This commit is contained in:
Jerome Lambourg 2017-06-27 13:47:26 +00:00 • committed by Olivier Hainque
parent 50567938f9
commit 580536aa23
2 changed files with 23 additions and 3 deletions
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10
gcc/ChangeLog
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@ -1,3 +1,13 @@
2017-06-27 Jerome Lambourg <lambourg@adacore.com>
Olivier Hainque <hainque@adacore.com>
* config/i386/vxworks.h (DBX_REGISTER_NUMBER): Pick distinct
map for 64bits.
(TARGET_OS_CPP_BUILTINS): builtin_define CPU to X86_64 for 64bit
targets. Pick a default if no particular attempt applied.
(STACK_CHECK_PROTECT): Double for 64bit targets, which have
larger contexts.
2017-06-27 Jerome Lambourg <lambourg@adacore.com>
* config.gcc (i*86-wrs-vxworks7): Handle new acceptable triplet.

16
gcc/config/i386/vxworks.h
View file

@ -34,7 +34,8 @@ along with GCC; see the file COPYING3. If not see
the SVR4 numbering. */
#undef DBX_REGISTER_NUMBER
#define DBX_REGISTER_NUMBER(n) svr4_dbx_register_map[n]
#define DBX_REGISTER_NUMBER(n) \
(TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
#define TARGET_OS_CPP_BUILTINS() \
do \
@ -59,7 +60,11 @@ along with GCC; see the file COPYING3. If not see
builtin_define ("CPU=PENTIUM4"); \
builtin_define ("CPU_VARIANT=PENTIUM4"); \
} \
} \
else if (TARGET_64BIT) \
builtin_define ("CPU=X86_64"); \
else \
builtin_define ("CPU=I80386"); \
} \
while (0)
#undef CPP_SPEC
@ -91,5 +96,10 @@ along with GCC; see the file COPYING3. If not see
#define STACK_CHECK_STATIC_BUILTIN 1
/* This platform supports the probing method of stack checking (RTP mode).
8K is reserved in the stack to propagate exceptions in case of overflow. */
8K is reserved in the stack to propagate exceptions in case of overflow.
On 64-bit targets, we double that size. */
#if TARGET_64BIT_DEFAULT
#define STACK_CHECK_PROTECT 16384
#else
#define STACK_CHECK_PROTECT 8192
#endif