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| author | ienkovich <ienkovich@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-07-23 10:09:10 +0000 |
|---|---|---|
| committer | ienkovich <ienkovich@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-07-23 10:09:10 +0000 |
| commit | 6e64f229c0321ecc73c5085d5535f02be13b5d04 (patch) | |
| tree | c72dec4f6a61ec0f730fbe226a78ede76893ded1 /gcc/ipa-chkp.c | |
| parent | b115f3bb2aed1e99b0223f7099a5885b610a2f97 (diff) | |
| download | gcc-6e64f229c0321ecc73c5085d5535f02be13b5d04.tar.gz | |
gcc/
Backport from mainline r223216.
2015-05-15 Ilya Enkovich <ilya.enkovich@intel.com>
* ipa-chkp.h (chkp_wrap_function): New.
* ipa-chkp.c (chkp_wrap_function): Remove 'static'.
(chkp_wrap_function_name): New.
(chkp_build_instrumented_fndecl): Use chkp_wrap_function_name
to get wrapper name.
* lto-cgraph.c: Include ipa-chkp.h.
(input_cgraph_1): Avoid alias chain for wrappers.
gcc/testsuite/
Backport from mainline r223216.
2015-05-15 Ilya Enkovich <ilya.enkovich@intel.com>
* gcc.dg/lto/chkp-wrap-asm-name_0.c: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-5-branch@226096 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ipa-chkp.c')
| -rw-r--r-- | gcc/ipa-chkp.c | 52 |
1 files changed, 48 insertions, 4 deletions
diff --git a/gcc/ipa-chkp.c b/gcc/ipa-chkp.c index 2d74dd88ee7..728a9b55ca8 100644 --- a/gcc/ipa-chkp.c +++ b/gcc/ipa-chkp.c @@ -104,7 +104,7 @@ along with GCC; see the file COPYING3. If not see /* Return 1 calls to FNDECL should be replaced with a call to wrapper function. */ -static bool +bool chkp_wrap_function (tree fndecl) { if (!flag_chkp_use_wrappers) @@ -139,6 +139,51 @@ chkp_wrap_function (tree fndecl) return false; } +static const char * +chkp_wrap_function_name (tree fndecl) +{ + gcc_assert (DECL_BUILT_IN_CLASS (fndecl) == BUILT_IN_NORMAL); + + switch (DECL_FUNCTION_CODE (fndecl)) + { + case BUILT_IN_STRLEN: + return CHKP_WRAPPER_SYMBOL_PREFIX "strlen"; + case BUILT_IN_STRCPY: + return CHKP_WRAPPER_SYMBOL_PREFIX "strcpy"; + case BUILT_IN_STRNCPY: + return CHKP_WRAPPER_SYMBOL_PREFIX "strncpy"; + case BUILT_IN_STPCPY: + return CHKP_WRAPPER_SYMBOL_PREFIX "stpcpy"; + case BUILT_IN_STPNCPY: + return CHKP_WRAPPER_SYMBOL_PREFIX "stpncpy"; + case BUILT_IN_STRCAT: + return CHKP_WRAPPER_SYMBOL_PREFIX "strcat"; + case BUILT_IN_STRNCAT: + return CHKP_WRAPPER_SYMBOL_PREFIX "strncat"; + case BUILT_IN_MEMCPY: + return CHKP_WRAPPER_SYMBOL_PREFIX "memcpy"; + case BUILT_IN_MEMPCPY: + return CHKP_WRAPPER_SYMBOL_PREFIX "mempcpy"; + case BUILT_IN_MEMSET: + return CHKP_WRAPPER_SYMBOL_PREFIX "memset"; + case BUILT_IN_MEMMOVE: + return CHKP_WRAPPER_SYMBOL_PREFIX "memmove"; + case BUILT_IN_BZERO: + return CHKP_WRAPPER_SYMBOL_PREFIX "bzero"; + case BUILT_IN_MALLOC: + return CHKP_WRAPPER_SYMBOL_PREFIX "malloc"; + case BUILT_IN_CALLOC: + return CHKP_WRAPPER_SYMBOL_PREFIX "calloc"; + case BUILT_IN_REALLOC: + return CHKP_WRAPPER_SYMBOL_PREFIX "realloc"; + + default: + gcc_unreachable (); + } + + return ""; +} + /* Build a clone of FNDECL with a modified name. */ static tree @@ -164,9 +209,8 @@ chkp_build_instrumented_fndecl (tree fndecl) instrumented version. */ if (chkp_wrap_function(fndecl)) { - s = CHKP_WRAPPER_SYMBOL_PREFIX; - s += IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (fndecl)); - new_name = get_identifier (s.c_str ()); + new_name = get_identifier (chkp_wrap_function_name (fndecl)); + DECL_VISIBILITY (new_decl) = VISIBILITY_DEFAULT; } else { |