OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

re PR libstdc++/44461 (__cxa_end_cleanup ends up in wrong section i.e. not in .text)

Browse Source 
2010-06-09  Khem Raj  <raj.khem@gmail.com>

	PR libstdc++/44461
	* libsupc++/eh_arm.cc (__cxa_end_cleanup): Use .pushsection/.popsection
	to emit inline assembly into .text section.

From-SVN: r160488
This commit is contained in:
Khem Raj 2010-06-09 15:34:45 +00:00 committed by Paolo Carlini
parent 2a4449a3b5
commit ded396e753
2 changed files with 14 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,9 @@
2010-06-09 Khem Raj <raj.khem@gmail.com>
PR libstdc++/44461
* libsupc++/eh_arm.cc (__cxa_end_cleanup): Use .pushsection/.popsection
to emit inline assembly into .text section.
2010-06-09 Paolo Carlini <paolo.carlini@oracle.com>
Revert:

12
libstdc++-v3/libsupc++/eh_arm.cc
View File

@ -157,22 +157,26 @@ __gnu_end_cleanup(void)
// Assembly wrapper to call __gnu_end_cleanup without clobbering r1-r3.
// Also push r4 to preserve stack alignment.
#ifdef __thumb__
asm (".global __cxa_end_cleanup\n"
asm (" .pushsection .text.__cxa_end_cleanup\n"
" .global __cxa_end_cleanup\n"
" .type __cxa_end_cleanup, \"function\"\n"
" .thumb_func\n"
"__cxa_end_cleanup:\n"
" push\t{r1, r2, r3, r4}\n"
" bl\t__gnu_end_cleanup\n"
" pop\t{r1, r2, r3, r4}\n"
" bl\t_Unwind_Resume @ Never returns\n");
" bl\t_Unwind_Resume @ Never returns\n"
" .popsection\n");
#else
asm (".global __cxa_end_cleanup\n"
asm (" .pushsection .text.__cxa_end_cleanup\n"
" .global __cxa_end_cleanup\n"
" .type __cxa_end_cleanup, \"function\"\n"
"__cxa_end_cleanup:\n"
" stmfd\tsp!, {r1, r2, r3, r4}\n"
" bl\t__gnu_end_cleanup\n"
" ldmfd\tsp!, {r1, r2, r3, r4}\n"
" bl\t_Unwind_Resume @ Never returns\n");
" bl\t_Unwind_Resume @ Never returns\n"
" .popsection\n");
#endif
#endif