Use ifunc to dynamically dispatch libc routines for x86
Test: run bionic unit test in aosp_cf_x86_phone emulator
Change-Id: Ib0c0de37cd38d24bfce2dfbe35b8fd8edff004af
diff --git a/libc/arch-x86/atom/string/sse2-memset-atom.S b/libc/arch-x86/atom/string/sse2-memset-atom.S
index 4e211ca..016c49e 100644
--- a/libc/arch-x86/atom/string/sse2-memset-atom.S
+++ b/libc/arch-x86/atom/string/sse2-memset-atom.S
@@ -86,7 +86,7 @@
movl (%esp), %ebx
ret
-ENTRY(__memset_chk)
+ENTRY(__memset_chk_atom)
ENTRANCE
movl LEN(%esp), %ecx
@@ -95,11 +95,11 @@
POP(%ebx) // Undo ENTRANCE without returning.
jmp __memset_chk_fail
-END(__memset_chk)
+END(__memset_chk_atom)
.section .text.sse2,"ax",@progbits
ALIGN(4)
-ENTRY(memset)
+ENTRY(memset_atom)
ENTRANCE
movl LEN(%esp), %ecx
@@ -839,4 +839,4 @@
SETRTNVAL
RETURN_END
-END(memset)
+END(memset_atom)
diff --git a/libc/arch-x86/atom/string/sse2-strlen-atom.S b/libc/arch-x86/atom/string/sse2-strlen-atom.S
index 81768fb..6a1acfb 100644
--- a/libc/arch-x86/atom/string/sse2-strlen-atom.S
+++ b/libc/arch-x86/atom/string/sse2-strlen-atom.S
@@ -31,7 +31,7 @@
#ifndef USE_AS_STRCAT
# ifndef STRLEN
-# define STRLEN strlen
+# define STRLEN strlen_atom
# endif
# ifndef L
diff --git a/libc/arch-x86/atom/string/ssse3-memcmp-atom.S b/libc/arch-x86/atom/string/ssse3-memcmp-atom.S
index 0387084..be2c4f6 100644
--- a/libc/arch-x86/atom/string/ssse3-memcmp-atom.S
+++ b/libc/arch-x86/atom/string/ssse3-memcmp-atom.S
@@ -76,7 +76,7 @@
#endif
#ifndef MEMCMP
-# define MEMCMP memcmp
+# define MEMCMP memcmp_atom
#endif
#define CFI_PUSH(REG) \
diff --git a/libc/arch-x86/atom/string/ssse3-memcpy-atom.S b/libc/arch-x86/atom/string/ssse3-memcpy-atom.S
index 2b3b7a5..fa67188 100644
--- a/libc/arch-x86/atom/string/ssse3-memcpy-atom.S
+++ b/libc/arch-x86/atom/string/ssse3-memcpy-atom.S
@@ -31,7 +31,7 @@
#include "cache.h"
#ifndef MEMCPY
-# define MEMCPY memcpy
+# define MEMCPY memcpy_atom
#endif
#ifndef USE_AS_MEMMOVE
@@ -3133,4 +3133,4 @@
END (MEMCPY)
-ALIAS_SYMBOL(memmove, MEMCPY)
+ALIAS_SYMBOL(memmove_atom, MEMCPY)
diff --git a/libc/arch-x86/atom/string/ssse3-strcat-atom.S b/libc/arch-x86/atom/string/ssse3-strcat-atom.S
index d9b6129..8d8e89d 100644
--- a/libc/arch-x86/atom/string/ssse3-strcat-atom.S
+++ b/libc/arch-x86/atom/string/ssse3-strcat-atom.S
@@ -87,7 +87,7 @@
#define POP(REG) popl REG; CFI_POP (REG)
#ifndef STRCAT
-# define STRCAT strcat
+# define STRCAT strcat_ssse3
#endif
#define PARMS 4
@@ -617,4 +617,4 @@
RETURN1
#endif
-END (STRCAT)
+END (STRCAT_ssse3)
diff --git a/libc/arch-x86/atom/string/ssse3-strcmp-atom.S b/libc/arch-x86/atom/string/ssse3-strcmp-atom.S
index ee253b9..08f6d4a 100644
--- a/libc/arch-x86/atom/string/ssse3-strcmp-atom.S
+++ b/libc/arch-x86/atom/string/ssse3-strcmp-atom.S
@@ -108,7 +108,7 @@
#endif
#ifndef STRCMP
-# define STRCMP strcmp
+# define STRCMP strcmp_ssse3
#endif
.section .text.ssse3,"ax",@progbits
diff --git a/libc/arch-x86/atom/string/ssse3-strcpy-atom.S b/libc/arch-x86/atom/string/ssse3-strcpy-atom.S
index 3690b0d..45b0c02 100644
--- a/libc/arch-x86/atom/string/ssse3-strcpy-atom.S
+++ b/libc/arch-x86/atom/string/ssse3-strcpy-atom.S
@@ -81,7 +81,7 @@
# define POP(REG) popl REG; CFI_POP (REG)
# ifndef STRCPY
-# define STRCPY strcpy
+# define STRCPY strcpy_atom
# endif
# ifdef USE_AS_STRNCPY
diff --git a/libc/arch-x86/atom/string/ssse3-strlcat-atom.S b/libc/arch-x86/atom/string/ssse3-strlcat-atom.S
index daaf254..055b489 100644
--- a/libc/arch-x86/atom/string/ssse3-strlcat-atom.S
+++ b/libc/arch-x86/atom/string/ssse3-strlcat-atom.S
@@ -82,7 +82,7 @@
#define LEN SRC+4
.text
-ENTRY (strlcat)
+ENTRY (strlcat_ssse3)
mov DST(%esp), %edx
PUSH (%ebx)
mov LEN(%esp), %ebx
diff --git a/libc/arch-x86/atom/string/ssse3-strlcpy-atom.S b/libc/arch-x86/atom/string/ssse3-strlcpy-atom.S
index cdb17cc..1671da6 100644
--- a/libc/arch-x86/atom/string/ssse3-strlcpy-atom.S
+++ b/libc/arch-x86/atom/string/ssse3-strlcpy-atom.S
@@ -29,8 +29,8 @@
*/
#define USE_AS_STRNCPY
-#define STRCPY strlcpy
-#define STRLEN strlcpy
+#define STRCPY strlcpy_ssse3
+#define STRLEN strlcpy_ssse3
#define USE_AS_STRLCPY
#include "ssse3-strcpy-atom.S"
diff --git a/libc/arch-x86/atom/string/ssse3-strncat-atom.S b/libc/arch-x86/atom/string/ssse3-strncat-atom.S
index 5618771..ccb08a7 100644
--- a/libc/arch-x86/atom/string/ssse3-strncat-atom.S
+++ b/libc/arch-x86/atom/string/ssse3-strncat-atom.S
@@ -28,7 +28,7 @@
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-#define STRCAT strncat
+#define STRCAT strncat_ssse3
#define USE_AS_STRNCAT
#include "ssse3-strcat-atom.S"
diff --git a/libc/arch-x86/atom/string/ssse3-strncmp-atom.S b/libc/arch-x86/atom/string/ssse3-strncmp-atom.S
index 4762d7e..2bf5002 100644
--- a/libc/arch-x86/atom/string/ssse3-strncmp-atom.S
+++ b/libc/arch-x86/atom/string/ssse3-strncmp-atom.S
@@ -30,6 +30,6 @@
#define USE_AS_STRNCMP
-#define STRCMP strncmp
+#define STRCMP strncmp_ssse3
#include "ssse3-strcmp-atom.S"
diff --git a/libc/arch-x86/atom/string/ssse3-strncpy-atom.S b/libc/arch-x86/atom/string/ssse3-strncpy-atom.S
index 0948b6d..0c27ffe 100644
--- a/libc/arch-x86/atom/string/ssse3-strncpy-atom.S
+++ b/libc/arch-x86/atom/string/ssse3-strncpy-atom.S
@@ -29,5 +29,5 @@
*/
#define USE_AS_STRNCPY
-#define STRCPY strncpy
+#define STRCPY strncpy_atom
#include "ssse3-strcpy-atom.S"
diff --git a/libc/arch-x86/atom/string/ssse3-wcscat-atom.S b/libc/arch-x86/atom/string/ssse3-wcscat-atom.S
index 8a389a3..a307983 100644
--- a/libc/arch-x86/atom/string/ssse3-wcscat-atom.S
+++ b/libc/arch-x86/atom/string/ssse3-wcscat-atom.S
@@ -85,7 +85,7 @@
#define USE_AS_WCSCAT
.text
-ENTRY (wcscat)
+ENTRY (wcscat_ssse3)
PUSH (%edi)
mov STR1(%esp), %edi
mov %edi, %edx
@@ -111,4 +111,4 @@
#define RETURN POP(%edi); ret; CFI_PUSH(%edi)
#include "ssse3-wcscpy-atom.S"
-END (wcscat)
+END (wcscat_ssse3)
diff --git a/libc/arch-x86/atom/string/ssse3-wcscpy-atom.S b/libc/arch-x86/atom/string/ssse3-wcscpy-atom.S
index 27cb61e..80aa15f 100644
--- a/libc/arch-x86/atom/string/ssse3-wcscpy-atom.S
+++ b/libc/arch-x86/atom/string/ssse3-wcscpy-atom.S
@@ -88,7 +88,7 @@
# define LEN STR2+4
.text
-ENTRY (wcscpy)
+ENTRY (wcscpy_ssse3)
mov STR1(%esp), %edx
mov STR2(%esp), %ecx
@@ -648,5 +648,5 @@
ret
#ifndef USE_AS_WCSCAT
-END (wcscpy)
+END (wcscpy_ssse3)
#endif
diff --git a/libc/arch-x86/atom/string/ssse3-wmemcmp-atom.S b/libc/arch-x86/atom/string/ssse3-wmemcmp-atom.S
index 2c3fa02..a81b78b 100644
--- a/libc/arch-x86/atom/string/ssse3-wmemcmp-atom.S
+++ b/libc/arch-x86/atom/string/ssse3-wmemcmp-atom.S
@@ -28,7 +28,7 @@
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-#define MEMCMP wmemcmp
+#define MEMCMP wmemcmp_atom
#define USE_WCHAR
#define USE_AS_WMEMCMP 1