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| author | Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> | 2010-03-01 18:09:19 +0000 |
|---|---|---|
| committer | Rainer Orth <ro@gcc.gnu.org> | 2010-03-01 18:09:19 +0000 |
| commit | eb2573eeb49113ae518ac98212eb778fe20c89ee (patch) | |
| tree | e4e3dab3ea153f66b87aed538185c6ec2007d70a /gcc | |
| parent | 12f9ddbc7da85ff73fc4fd4bf6a15cd30cefdef4 (diff) | |
| download | gcc-eb2573eeb49113ae518ac98212eb778fe20c89ee.zip gcc-eb2573eeb49113ae518ac98212eb778fe20c89ee.tar.gz gcc-eb2573eeb49113ae518ac98212eb778fe20c89ee.tar.bz2 | |
configure.ac (gcc_cv_as_cfi_directive): Disable cfi directives unless GCC and gas agree on using read-only .eh_frame...
* configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
Disable cfi directives unless GCC and gas agree on using read-only
.eh_frame sections for 64-bit.
* configure: Regenerate.
From-SVN: r157151
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rwxr-xr-x | gcc/configure | 18 | ||||
| -rw-r--r-- | gcc/configure.ac | 18 |
3 files changed, 41 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f243dbf..57ca4f47e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]: + Disable cfi directives unless GCC and gas agree on using read-only + .eh_frame sections for 64-bit. + * configure: Regenerate. + 2010-03-01 Richard Guenther <rguenther@suse.de> PR tree-optimization/43220 diff --git a/gcc/configure b/gcc/configure index 938f5c1..0bb808a 100755 --- a/gcc/configure +++ b/gcc/configure @@ -21386,7 +21386,23 @@ else sed -e /.eh_frame/!d -e N | grep READONLY > /dev/null; then gcc_cv_as_cfi_directive=no else - gcc_cv_as_cfi_directive=yes + case "$target" in + i?86-*-solaris2.1[0-9]*) + # On Solaris/x86, make sure that GCC and gas agree on using + # read-only .eh_frame sections for 64-bit. + if $gcc_cv_as --64 -o conftest.o conftest.s > /dev/null 2>&1 && \ + $gcc_cv_objdump -h conftest.o 2>/dev/null | \ + sed -e /.eh_frame/!d -e N | \ + grep READONLY > /dev/null; then + gcc_cv_as_cfi_directive=yes + else + gcc_cv_as_cfi_directive=no + fi + ;; + *) + gcc_cv_as_cfi_directive=yes + ;; + esac fi else # no objdump, err on the side of caution diff --git a/gcc/configure.ac b/gcc/configure.ac index fe1ac55..ddfbc7a 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -2272,7 +2272,23 @@ gcc_GAS_CHECK_FEATURE([cfi directives], gcc_cv_as_cfi_directive, sed -e /.eh_frame/!d -e N | grep READONLY > /dev/null; then gcc_cv_as_cfi_directive=no else - gcc_cv_as_cfi_directive=yes + case "$target" in + i?86-*-solaris2.1[[0-9]]*) + # On Solaris/x86, make sure that GCC and gas agree on using + # read-only .eh_frame sections for 64-bit. + if $gcc_cv_as --64 -o conftest.o conftest.s > /dev/null 2>&1 && \ + $gcc_cv_objdump -h conftest.o 2>/dev/null | \ + sed -e /.eh_frame/!d -e N | \ + grep READONLY > /dev/null; then + gcc_cv_as_cfi_directive=yes + else + gcc_cv_as_cfi_directive=no + fi + ;; + *) + gcc_cv_as_cfi_directive=yes + ;; + esac fi else # no objdump, err on the side of caution |