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| author | Ian Lance Taylor <iant@google.com> | 2010-09-28 00:07:12 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2010-09-28 00:07:12 +0000 |
| commit | b6110d6d1987f583b0f5abad9524e604a24c5b73 (patch) | |
| tree | abe9b70798228d019e6509efb68de44278c0e201 /gcc | |
| parent | 9b809695ffe6091f8e491cad04c08e6c63f880af (diff) | |
| download | gcc-b6110d6d1987f583b0f5abad9524e604a24c5b73.zip gcc-b6110d6d1987f583b0f5abad9524e604a24c5b73.tar.gz gcc-b6110d6d1987f583b0f5abad9524e604a24c5b73.tar.bz2 | |
i386.c (ix86_supports_split_stack): -fsplit-stack requires assembler support for CFI directives.
gcc/:
* config/i386/i386.c (ix86_supports_split_stack): -fsplit-stack
requires assembler support for CFI directives.
libgcc/:
* configure.ac: Test whether assembler supports CFI directives.
* config.host: Only add t-stack and i386/t-stack-i386 to
tmake_file if libgcc_cv_cfi is "yes".
* configure: Rebuild.
From-SVN: r164671
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 8 |
2 files changed, 13 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 07c71cd..6c7620e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2010-09-27 Ian Lance Taylor <iant@google.com> + + * config/i386/i386.c (ix86_supports_split_stack): -fsplit-stack + requires assembler support for CFI directives. + 2010-09-27 Richard Henderson <rth@redhat.com> * dwarf2out.c (dwarf2out_cfi_label): Use ASM_OUTPUT_DEBUG_LABEL. diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 7d4126b..1d1c300 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -8415,6 +8415,14 @@ ix86_supports_split_stack (bool report ATTRIBUTE_UNUSED) if (report) error ("%<-fsplit-stack%> currently only supported on GNU/Linux"); ret = false; +#else + if (!dwarf2out_do_cfi_asm ()) + { + if (report) + error ("%<-fsplit-stack%> requires " + "assembler support for CFI directives"); + ret = false; + } #endif return ret; |