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| author | Paul Brook <paul@codesourcery.com> | 2012-08-07 16:08:49 +0000 |
|---|---|---|
| committer | Sandra Loosemore <sandra@gcc.gnu.org> | 2012-08-07 12:08:49 -0400 |
| commit | 3e6011cfebedfb66b92c87e6d2add9237188819e (patch) | |
| tree | ac5f1054288e8389349f643548ad266bf0455668 | |
| parent | 070ecdfd0300a9aebdaaff78f8e10184e9152042 (diff) | |
| download | gcc-3e6011cfebedfb66b92c87e6d2add9237188819e.zip gcc-3e6011cfebedfb66b92c87e6d2add9237188819e.tar.gz gcc-3e6011cfebedfb66b92c87e6d2add9237188819e.tar.bz2 | |
except.c (switch_to_exception_section): Place tables for DECL_ONE_ONLY functions in comdat groups.
2012-08-07 Paul Brook <paul@codesourcery.com>
Sandra Loosemore <sandra@codesourcery.com>
gcc/
* except.c (switch_to_exception_section): Place tables for
DECL_ONE_ONLY functions in comdat groups.
Co-Authored-By: Sandra Loosemore <sandra@codesourcery.com>
From-SVN: r190206
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/except.c | 9 |
2 files changed, 13 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 43b0b92..5896e0b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2012-08-07 Paul Brook <paul@codesourcery.com> + Sandra Loosemore <sandra@codesourcery.com> + + * except.c (switch_to_exception_section): Place tables for + DECL_ONE_ONLY functions in comdat groups. + 2012-08-07 Richard Guenther <rguenther@suse.de> * tree-flow.h (copy_ssa_name_fn): New function. diff --git a/gcc/except.c b/gcc/except.c index 10fc26e..605d8d7 100644 --- a/gcc/except.c +++ b/gcc/except.c @@ -2777,11 +2777,16 @@ switch_to_exception_section (const char * ARG_UNUSED (fnname)) flags = SECTION_WRITE; #ifdef HAVE_LD_EH_GC_SECTIONS - if (flag_function_sections) + if (flag_function_sections + || (DECL_ONE_ONLY (current_function_decl) && HAVE_COMDAT_GROUP)) { char *section_name = XNEWVEC (char, strlen (fnname) + 32); + /* The EH table must match the code section, so only mark + it linkonce if we have COMDAT groups to tie them together. */ + if (DECL_ONE_ONLY (current_function_decl) && HAVE_COMDAT_GROUP) + flags |= SECTION_LINKONCE; sprintf (section_name, ".gcc_except_table.%s", fnname); - s = get_section (section_name, flags, NULL); + s = get_section (section_name, flags, current_function_decl); free (section_name); } else |