diff options
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/doc/tm.texi | 11 | ||||
| -rw-r--r-- | gcc/dwarf2out.c | 3 |
3 files changed, 16 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8b19e9f..2dfd335 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2004-08-12 Paul Brook <paul@codesourcery.com> + + * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh + frame info. + * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and + DWARF2_UNWIND_INFO. + 2004-08-12 Ben Elliston <bje@au.ibm.com> PR target/16286 diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 2910730..26b4914 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -7558,12 +7558,13 @@ Otherwise, if your target supports this information (if it defines or @samp{OBJECT_FORMAT_ELF}), GCC will provide a default definition of 1. -If this macro is defined to 1, the DWARF 2 unwinder will be the default -exception handling mechanism; otherwise, @code{setjmp}/@code{longjmp} will be used by -default. +If @code{TARGET_UNWIND_INFO} is defined, the target specific unwinder +will be used in all cases. Defining this macro will enable the generation +of DWARF 2 frame debugging information. -If this macro is defined to anything, the DWARF 2 unwinder will be used -instead of inline unwinders and @code{__unwind_function} in the non-@code{setjmp} case. +If @code{TARGET_UNWIND_INFO} is not defined, and this macro is defined to 1, +the DWARF 2 unwinder will be the default exception handling mechanism; +otherwise, @code{setjmp}/@code{longjmp} will be used by default. @end defmac @defmac TARGET_UNWIND_INFO diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index 242a653..4d9a1b2 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -2458,8 +2458,11 @@ dwarf2out_frame_finish (void) if (write_symbols == DWARF2_DEBUG || write_symbols == VMS_AND_DWARF2_DEBUG) output_call_frame_info (0); +#ifndef TARGET_UNWIND_INFO + /* Output another copy for the unwinder. */ if (! USING_SJLJ_EXCEPTIONS && (flag_unwind_tables || flag_exceptions)) output_call_frame_info (1); +#endif } #endif |