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In GCC 4.7, function names are now forbidden from .gcda files. Support this by

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passing a null pointer to the function name in to GCDAProfiling, and add another
switch onto GCOVProfiling.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176173 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky
2013-02-27 06:22:56 +00:00
parent 58591b1647
commit 52b4edf6a1
3 changed files with 24 additions and 12 deletions
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runtime/libprofile/GCDAProfiling.c
+8 -3
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@@ -162,17 +162,22 @@ void llvm_gcda_increment_indirect_counter(uint32_t *predecessor,
void llvm_gcda_emit_function(uint32_t ident, const char *function_name) {
#ifdef DEBUG_GCDAPROFILING
printf("llvmgcda: function id=%x\n", ident);
printf("llvmgcda: function id=%x name=%s\n", ident,
function_name ? function_name : "NULL");
#endif
if (!output_file) return;
/* function tag */
fwrite("\0\0\0\1", 4, 1, output_file);
write_int32(3 + 1 + length_of_string(function_name));
uint32_t len = 3;
if (function_name)
len += 1 + length_of_string(function_name);
write_int32(len);
write_int32(ident);
write_int32(0);
write_int32(0);
write_string(function_name);
if (function_name)
write_string(function_name);
}
void llvm_gcda_emit_arcs(uint32_t num_counters, uint64_t *counters) {