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Define x86_64_fallback_frame_state only for glibc

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2012-03-29  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/linux-unwind.h (x86_64_fallback_frame_state): Define
	only for glibc.

From-SVN: r185957
This commit is contained in:
H.J. Lu 2012-03-29 12:48:08 +00:00 committed by H.J. Lu
parent 6bcfb75385
commit 6401aaf5df
2 changed files with 13 additions and 11 deletions
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5
libgcc/ChangeLog
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@ -1,3 +1,8 @@
2012-03-29 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/linux-unwind.h (x86_64_fallback_frame_state): Define
only for glibc.
2012-03-28 Georg-Johann Lay <avr@gjlay.de>
PR target/52737

19
libgcc/config/i386/linux-unwind.h
View File

@ -29,11 +29,17 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#ifndef inhibit_libc
#ifdef __x86_64__
/* There's no sys/ucontext.h for glibc 2.0, so no
signal-turned-exceptions for them. There's also no configure-run for
the target, so we can't check on (e.g.) HAVE_SYS_UCONTEXT_H. Using the
target libc version macro should be enough. */
#if defined __GLIBC__ && !(__GLIBC__ == 2 && __GLIBC_MINOR__ == 0)
#include <signal.h>
#include <sys/ucontext.h>
#ifdef __x86_64__
#define MD_FALLBACK_FRAME_STATE_FOR x86_64_fallback_frame_state
static _Unwind_Reason_Code
@ -108,15 +114,6 @@ x86_64_fallback_frame_state (struct _Unwind_Context *context,
#else /* ifdef __x86_64__ */
/* There's no sys/ucontext.h for glibc 2.0, so no
signal-turned-exceptions for them. There's also no configure-run for
the target, so we can't check on (e.g.) HAVE_SYS_UCONTEXT_H. Using the
target libc version macro should be enough. */
#if defined __GLIBC__ && !(__GLIBC__ == 2 && __GLIBC_MINOR__ == 0)
#include <signal.h>
#include <sys/ucontext.h>
#define MD_FALLBACK_FRAME_STATE_FOR x86_fallback_frame_state
static _Unwind_Reason_Code
@ -197,6 +194,6 @@ x86_frob_update_context (struct _Unwind_Context *context,
_Unwind_SetSignalFrame (context, 1);
}
#endif /* not glibc 2.0 */
#endif /* ifdef __x86_64__ */
#endif /* not glibc 2.0 */
#endif /* ifdef inhibit_libc */