From 5018956927ff82b308a8885dcc23dfcddb3ad177 Mon Sep 17 00:00:00 2001 From: Andreas Jaeger Date: Wed, 21 May 2003 09:25:53 +0000 Subject: * sysdeps/generic/sysdep.h (cfi_offset, cfi_startproc, cfi_endproc, cfi_def_cfa, cfi_def_ccfa_register, cfi_def_cfa_offset, cfi_adjust_cfa_offset, cfi_offset): Define. * sysdeps/x86_64/sysdep.h (CALL_MCOUNT): Add cfi directives. (ENTRY): Likewise. (END): Likewise. * configure.in: Test for asm cfi directives. * config.h.in: Add HAVE_ASM_CFI_DIRECTIVES. 2003-05-21 Andreas Jaeger * sysdeps/generic/sysdep.h (cfi_offset, cfi_startproc, cfi_endproc, cfi_def_cfa, cfi_def_ccfa_register, cfi_def_cfa_offset, cfi_adjust_cfa_offset, cfi_offset): Define. * sysdeps/x86_64/sysdep.h (CALL_MCOUNT): Add cfi directives. (ENTRY): Likewise. (END): Likewise. * configure.in: Test for asm cfi directives. * config.h.in: Add HAVE_ASM_CFI_DIRECTIVES. --- ChangeLog | 14 ++++++++++++++ config.h.in | 3 +++ configure | 33 +++++++++++++++++++++++++++++++++ configure.in | 18 ++++++++++++++++++ sysdeps/generic/sysdep.h | 21 +++++++++++++++++++++ sysdeps/x86_64/sysdep.h | 14 +++++++++++--- 6 files changed, 100 insertions(+), 3 deletions(-) diff --git a/ChangeLog b/ChangeLog index 29791a6..f5e6076 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,17 @@ +2003-05-21 Andreas Jaeger + + * sysdeps/generic/sysdep.h (cfi_offset, cfi_startproc, + cfi_endproc, cfi_def_cfa, cfi_def_ccfa_register, + cfi_def_cfa_offset, cfi_adjust_cfa_offset, cfi_offset): Define. + + * sysdeps/x86_64/sysdep.h (CALL_MCOUNT): Add cfi directives. + (ENTRY): Likewise. + (END): Likewise. + + * configure.in: Test for asm cfi directives. + + * config.h.in: Add HAVE_ASM_CFI_DIRECTIVES. + 2003-05-17 Andreas Jaeger * sysdeps/unix/sysv/linux/x86_64/syscall.S: Revert last patch. diff --git a/config.h.in b/config.h.in index cd132ce..ba5a55c 100644 --- a/config.h.in +++ b/config.h.in @@ -31,6 +31,9 @@ /* Define if weak symbols are available via the `.weakext' directive. */ #undef HAVE_ASM_WEAKEXT_DIRECTIVE +/* Define if CFI directives are available. */ +#undef HAVE_ASM_CFI_DIRECTIVES + /* Define to the assembler line separator character for multiple assembler instructions per line. Default is `;' */ #undef ASM_LINE_SEP diff --git a/configure b/configure index eac55c6..1dfeaa2 100755 --- a/configure +++ b/configure @@ -5689,6 +5689,39 @@ _ACEOF ;; esac +echo "$as_me:$LINENO: checking whether CFI directives are supported" >&5 +echo $ECHO_N "checking whether CFI directives are supported... $ECHO_C" >&6 +if test "${libc_cv_asm_cfi_directives+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat > conftest.s <&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + libc_cv_asm_cfi_directives=yes +else + libc_cv_asm_cfi_directives=no +fi +rm -f conftest* +fi +echo "$as_me:$LINENO: result: $libc_cv_asm_cfi_directives" >&5 +echo "${ECHO_T}$libc_cv_asm_cfi_directives" >&6 +if test $libc_cv_asm_cfi_directives = yes; then + cat >>confdefs.h <<\_ACEOF +#define HAVE_ASM_CFI_DIRECTIVES 1 +_ACEOF + +fi + echo "$as_me:$LINENO: checking if -g produces usable source locations for assembler-with-cpp" >&5 echo $ECHO_N "checking if -g produces usable source locations for assembler-with-cpp... $ECHO_C" >&6 if test "${libc_cv_cpp_asm_debuginfo+set}" = set; then diff --git a/configure.in b/configure.in index f0511ac..c415f37 100644 --- a/configure.in +++ b/configure.in @@ -1502,6 +1502,24 @@ EOF ;; esac +AC_CACHE_CHECK(whether CFI directives are supported, libc_cv_asm_cfi_directives, [dnl +cat > conftest.s <&AS_MESSAGE_LOG_FD); then + libc_cv_asm_cfi_directives=yes +else + libc_cv_asm_cfi_directives=no +fi +rm -f conftest*]) +if test $libc_cv_asm_cfi_directives = yes; then + AC_DEFINE(HAVE_ASM_CFI_DIRECTIVES) +fi + AC_CACHE_CHECK(if -g produces usable source locations for assembler-with-cpp, libc_cv_cpp_asm_debuginfo, [dnl cat > conftest.S <