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| author | Devang Patel <dpatel@apple.com> | 2004-08-16 13:54:43 -0700 |
|---|---|---|
| committer | Devang Patel <dpatel@gcc.gnu.org> | 2004-08-16 13:54:43 -0700 |
| commit | 8e3e233be0d6e50fcfc1da2c81ad5eb51d974baa (patch) | |
| tree | 58140b66c92905176d0b282d72e2e415ec6301bb /gcc/target.h | |
| parent | 580b3958265f6bca27126b24f20d95c32d00c854 (diff) | |
| download | gcc-8e3e233be0d6e50fcfc1da2c81ad5eb51d974baa.zip gcc-8e3e233be0d6e50fcfc1da2c81ad5eb51d974baa.tar.gz gcc-8e3e233be0d6e50fcfc1da2c81ad5eb51d974baa.tar.bz2 | |
c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
* c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
* print-tree.c (print_node): Print DECL_PRESERVE_P.
* target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
(TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
* target.h (struct gcc_target): New member, mark_decl_preserved.
* hooks.c (hook_void_charptr): Rename to ...
(hook_void_constcharptr): ... new name.
* hooks.h (hook_void_charptr): Rename to ..
(hook_void_constcharptr): ... new name.
* tree.h (DECL_PRESERVE_P): New #define.
(struct tree_decl): New member, preserve_flag.
* varasm.c (assemble_start_function): Mark decl preserved.
(assemble_variable): Same.
* darwin.c (darwin_mark_decl_preserved): New function.
* darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
* darwin-protos.h (darwin_mark_decl_preserved): New decl.
* doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
testsuite:
* gcc.dg/darwin-20040809-1.c: New test.
From-SVN: r86076
Diffstat (limited to 'gcc/target.h')
| -rw-r--r-- | gcc/target.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/target.h b/gcc/target.h index ad37161..1611f2a 100644 --- a/gcc/target.h +++ b/gcc/target.h @@ -172,6 +172,11 @@ struct gcc_target /* Output an assembler pseudo-op to declare a library function name external. */ void (*external_libcall) (rtx); + + /* Output an assembler directive to mark decl live. This instructs + linker to not dead code strip this symbol. */ + void (*mark_decl_preserved) (const char *); + } asm_out; /* Functions relating to instruction scheduling. */ |