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re PR target/51921 (EH unwinding support is broken)

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PR target/51921
	PR target/52205
	* config/sparc/sol2-unwind.h (sparc64_is_sighandler): Add support for
	Solaris 11 and slightly reformat.
	(sparc_is_sighandler): Likewise.

From-SVN: r184255
This commit is contained in:
Eric Botcazou 2012-02-15 08:13:09 +00:00 committed by Eric Botcazou
parent 7f3dee0e1c
commit 0f952eb4cc
2 changed files with 28 additions and 4 deletions
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8
libgcc/ChangeLog
View File

@ -1,3 +1,11 @@
2012-02-15 Eric Botcazou <ebotcazou@adacore.com>
PR target/51921
PR target/52205
* config/sparc/sol2-unwind.h (sparc64_is_sighandler): Add support for
Solaris 11 and slightly reformat.
(sparc_is_sighandler): Likewise.
2012-02-14 Walter Lee <walt@tilera.com>
* config.host: Handle tilegx and tilepro.

24
libgcc/config/sparc/sol2-unwind.h
View File

@ -119,7 +119,12 @@ sparc64_is_sighandler (unsigned int *pc, void *cfa, int *nframes)
unsigned int cuh_pattern
= *(unsigned int *)(*(unsigned long *)(cfa + 15*8) - 4);
if (cuh_pattern == 0xd25fa7ef)
if (cuh_pattern == 0x92100019)
/* This matches the call_user_handler pattern for Solaris 11.
This is the same setup as for Solaris 9, see below. */
*nframes = 3;
else if (cuh_pattern == 0xd25fa7ef)
{
/* This matches the call_user_handler pattern for Solaris 10.
There are 2 cases so we look for the return address of the
@ -140,6 +145,7 @@ sparc64_is_sighandler (unsigned int *pc, void *cfa, int *nframes)
*/
*nframes = 2;
}
else if (cuh_pattern == 0x9410001a || cuh_pattern == 0x94100013)
/* This matches the call_user_handler pattern for Solaris 9 and
for Solaris 8 running inside Solaris Containers respectively
@ -152,7 +158,8 @@ sparc64_is_sighandler (unsigned int *pc, void *cfa, int *nframes)
<kernel>
*/
*nframes = 3;
else
else /* cuh_pattern == 0xe0272010 */
/* This is the default Solaris 8 case.
We need to move up two frames:
@ -162,6 +169,7 @@ sparc64_is_sighandler (unsigned int *pc, void *cfa, int *nframes)
<kernel>
*/
*nframes = 2;
return 1;
}
@ -296,7 +304,12 @@ sparc_is_sighandler (unsigned int *pc, void *cfa, int *nframes)
unsigned int cuh_pattern
= *(unsigned int *)(*(unsigned int *)(cfa + 15*4) - 4);
if (cuh_pattern == 0xd407a04c)
if (cuh_pattern == 0x92100019)
/* This matches the call_user_handler pattern for Solaris 11.
This is the same setup as for Solaris 9, see below. */
*nframes = 3;
else if (cuh_pattern == 0xd407a04c)
{
/* This matches the call_user_handler pattern for Solaris 10.
There are 2 cases so we look for the return address of the
@ -317,6 +330,7 @@ sparc_is_sighandler (unsigned int *pc, void *cfa, int *nframes)
*/
*nframes = 2;
}
else if (cuh_pattern == 0x9410001a || cuh_pattern == 0x9410001b)
/* This matches the call_user_handler pattern for Solaris 9 and
for Solaris 8 running inside Solaris Containers respectively.
@ -329,7 +343,8 @@ sparc_is_sighandler (unsigned int *pc, void *cfa, int *nframes)
<kernel>
*/
*nframes = 3;
else
else /* cuh_pattern == 0x90100018 */
/* This is the default Solaris 8 case.
We need to move up two frames:
@ -339,6 +354,7 @@ sparc_is_sighandler (unsigned int *pc, void *cfa, int *nframes)
<kernel>
*/
*nframes = 2;
return 1;
}