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| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-11-09 18:09:53 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-11-09 18:09:53 +0000 |
| commit | 67ba1f57ef6bafdcc0d5e43dbe5793367622977b (patch) | |
| tree | 2be51ac0c0d2ab8042b16a9225e4d4826aac0051 /config/asmcfi.m4 | |
| parent | fcfcdc3bf91c638b610e7a5b8d4cd778773fe3a1 (diff) | |
| download | gcc-67ba1f57ef6bafdcc0d5e43dbe5793367622977b.tar.gz | |
libitm: Configure for gas cfi pseudo ops.
* asmcfi.m4: New file.
* configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
* configure, aclocal.m4, config.h.in: Rebuild.
* config/generic/asmcfi.h: New file.
* config/x86/sjlj.S: Use it.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181224 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'config/asmcfi.m4')
| -rw-r--r-- | config/asmcfi.m4 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/config/asmcfi.m4 b/config/asmcfi.m4 new file mode 100644 index 00000000000..a725aa11de4 --- /dev/null +++ b/config/asmcfi.m4 @@ -0,0 +1,15 @@ +;; Cribbed from libffi + +AC_DEFUN([GCC_AS_CFI_PSEUDO_OP], +[AC_CACHE_CHECK([assembler .cfi pseudo-op support], + gcc_cv_as_cfi_pseudo_op, [ + gcc_cv_as_cfi_pseudo_op=unknown + AC_TRY_COMPILE([asm (".cfi_startproc\n\t.cfi_endproc");],, + [gcc_cv_as_cfi_pseudo_op=yes], + [gcc_cv_as_cfi_pseudo_op=no]) + ]) + if test "x$gcc_cv_as_cfi_pseudo_op" = xyes; then + AC_DEFINE(HAVE_AS_CFI_PSEUDO_OP, 1, + [Define if your assembler supports .cfi_* directives.]) + fi +]) |