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authordpatel <dpatel@138bc75d-0d04-0410-961f-82ee72b054a4>2004-08-16 20:54:43 +0000
committerdpatel <dpatel@138bc75d-0d04-0410-961f-82ee72b054a4>2004-08-16 20:54:43 +0000
commit9423c9b7944dd4c5a00dec30929a9af4608abedc (patch)
tree58140b66c92905176d0b282d72e2e415ec6301bb /gcc/target.h
parenta021a5a651999cf512165dedb8de3fef5377890d (diff)
downloadgcc-9423c9b7944dd4c5a00dec30929a9af4608abedc.tar.gz
* 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@86076 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/target.h')
-rw-r--r--gcc/target.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/target.h b/gcc/target.h
index ad37161bc48..1611f2a61dc 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. */