274 lines
9.8 KiB
Diff
274 lines
9.8 KiB
Diff
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Index: valgrind/memcheck/mc_replace_strmem.c
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===================================================================
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--- valgrind/memcheck/mc_replace_strmem.c (revision 13016)
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+++ valgrind/memcheck/mc_replace_strmem.c (working copy)
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@@ -97,6 +97,10 @@
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20350 STRCASESTR
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20360 MEMRCHR
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20370 WCSLEN
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+ 20380 WCSCMP
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+ 20390 WCSCPY
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+ 20400 WCSCHR
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+ 20410 WCSRCHR
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*/
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@@ -1570,7 +1574,115 @@
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#endif
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+/*---------------------- wcscmp ----------------------*/
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+// This is a wchar_t equivalent to strcmp. We don't
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+// have wchar_t available here, but in the GNU C Library
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+// wchar_t is always 32 bits wide and wcscmp uses signed
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+// comparison, not unsigned as in strcmp function.
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+
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+#define WCSCMP(soname, fnname) \
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+ int VG_REPLACE_FUNCTION_EZU(20380,soname,fnname) \
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+ ( const Int* s1, const Int* s2 ); \
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+ int VG_REPLACE_FUNCTION_EZU(20380,soname,fnname) \
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+ ( const Int* s1, const Int* s2 ) \
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+ { \
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+ register Int c1; \
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+ register Int c2; \
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+ while (True) { \
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+ c1 = *s1; \
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+ c2 = *s2; \
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+ if (c1 != c2) break; \
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+ if (c1 == 0) break; \
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+ s1++; s2++; \
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+ } \
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+ if (c1 < c2) return -1; \
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+ if (c1 > c2) return 1; \
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+ return 0; \
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+ }
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+
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+#if defined(VGO_linux)
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+ WCSCMP(VG_Z_LIBC_SONAME, wcscmp)
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+#endif
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+
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+/*---------------------- wcscpy ----------------------*/
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+
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+// This is a wchar_t equivalent to strcpy. We don't
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+// have wchar_t available here, but in the GNU C Library
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+// wchar_t is always 32 bits wide.
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+
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+#define WCSCPY(soname, fnname) \
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+ Int* VG_REPLACE_FUNCTION_EZU(20390,soname,fnname) \
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+ ( Int* dst, const Int* src ); \
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+ Int* VG_REPLACE_FUNCTION_EZU(20390,soname,fnname) \
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+ ( Int* dst, const Int* src ) \
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+ { \
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+ const Int* src_orig = src; \
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+ Int* dst_orig = dst; \
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+ \
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+ while (*src) *dst++ = *src++; \
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+ *dst = 0; \
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+ \
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+ /* This checks for overlap after copying, unavoidable without */ \
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+ /* pre-counting length... should be ok */ \
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+ if (is_overlap(dst_orig, \
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+ src_orig, \
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+ (Addr)dst-(Addr)dst_orig+1, \
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+ (Addr)src-(Addr)src_orig+1)) \
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+ RECORD_OVERLAP_ERROR("wcscpy", dst_orig, src_orig, 0); \
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+ \
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+ return dst_orig; \
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+ }
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+
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+#if defined(VGO_linux)
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+ WCSCPY(VG_Z_LIBC_SONAME, wcscpy)
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+#endif
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+
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+
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+/*---------------------- wcschr ----------------------*/
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+
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+// This is a wchar_t equivalent to strchr. We don't
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+// have wchar_t available here, but in the GNU C Library
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+// wchar_t is always 32 bits wide.
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+
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+#define WCSCHR(soname, fnname) \
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+ Int* VG_REPLACE_FUNCTION_EZU(20400,soname,fnname) ( const Int* s, Int c ); \
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+ Int* VG_REPLACE_FUNCTION_EZU(20400,soname,fnname) ( const Int* s, Int c ) \
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+ { \
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+ Int* p = (Int*)s; \
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+ while (True) { \
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+ if (*p == c) return p; \
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+ if (*p == 0) return NULL; \
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+ p++; \
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+ } \
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+ }
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+
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+#if defined(VGO_linux)
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+ WCSCHR(VG_Z_LIBC_SONAME, wcschr)
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+#endif
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+/*---------------------- wcsrchr ----------------------*/
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+
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+// This is a wchar_t equivalent to strrchr. We don't
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+// have wchar_t available here, but in the GNU C Library
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+// wchar_t is always 32 bits wide.
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+
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+#define WCSRCHR(soname, fnname) \
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+ Int* VG_REPLACE_FUNCTION_EZU(20410,soname,fnname)( const Int* s, Int c ); \
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+ Int* VG_REPLACE_FUNCTION_EZU(20410,soname,fnname)( const Int* s, Int c ) \
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+ { \
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+ Int* p = (Int*) s; \
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+ Int* last = NULL; \
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+ while (True) { \
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+ if (*p == c) last = p; \
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+ if (*p == 0) return last; \
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+ p++; \
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+ } \
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+ }
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+
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+#if defined(VGO_linux)
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+ WCSRCHR(VG_Z_LIBC_SONAME, wcsrchr)
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+#endif
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+
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/*------------------------------------------------------------*/
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/*--- Improve definedness checking of process environment ---*/
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/*------------------------------------------------------------*/
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Index: valgrind/memcheck/tests/Makefile.am
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===================================================================
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--- valgrind/memcheck/tests/Makefile.am (revision 13016)
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+++ valgrind/memcheck/tests/Makefile.am (working copy)
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@@ -216,6 +217,7 @@
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vcpu_fbench.stdout.exp vcpu_fbench.stderr.exp vcpu_fbench.vgtest \
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vcpu_fnfns.stdout.exp vcpu_fnfns.stdout.exp-glibc28-amd64 \
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vcpu_fnfns.stdout.exp-darwin vcpu_fnfns.stderr.exp vcpu_fnfns.vgtest \
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+ wcs.vgtest wcs.stderr.exp \
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wrap1.vgtest wrap1.stdout.exp wrap1.stderr.exp \
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wrap2.vgtest wrap2.stdout.exp wrap2.stderr.exp \
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wrap3.vgtest wrap3.stdout.exp wrap3.stderr.exp \
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@@ -292,6 +294,7 @@
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varinfo1 varinfo2 varinfo3 varinfo4 \
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varinfo5 varinfo5so.so varinfo6 \
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vcpu_fbench vcpu_fnfns \
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+ wcs \
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xml1 \
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wrap1 wrap2 wrap3 wrap4 wrap5 wrap6 wrap7 wrap7so.so wrap8 \
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writev1
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Index: valgrind/memcheck/tests/wcs.c
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===================================================================
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--- valgrind/memcheck/tests/wcs.c (revision 0)
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+++ valgrind/memcheck/tests/wcs.c (working copy)
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@@ -0,0 +1,29 @@
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+// Uses various wchar_t * functions that have hand written SSE assembly
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+// implementations in glibc. wcslen, wcscpy, wcscmp, wcsrchr, wcschr.
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+
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+#include <stdio.h>
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+#include <stdlib.h>
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+#include <wchar.h>
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+
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+int main(int argc, char **argv)
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+{
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+ wchar_t a[] = L"The spazzy orange tiger jumped over the tawny jaguar.";
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+ wchar_t *b, *c;
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+ wchar_t *d, *e;
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+
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+ size_t l = wcslen (a);
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+ fprintf (stderr, "wcslen: %zd\n", l); // wcslen: 53
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+
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+ b = (wchar_t *) malloc((l + 1) * sizeof (wchar_t));
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+ c = wcscpy (b, a);
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+
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+ fprintf (stderr, "wcscmp equal: %d\n", wcscmp (a, b)); // wcscmp equal: 0
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+
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+ d = wcsrchr (a, L'd');
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+ e = wcschr (a, L'd');
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+
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+ fprintf (stderr, "wcsrchr == wcschr: %d\n", d == e); // wcsrchr == wcschr: 1
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+
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+ free (c); // b == c
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+ return 0;
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+}
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Index: valgrind/memcheck/tests/wcs.stderr.exp
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===================================================================
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--- valgrind/memcheck/tests/wcs.stderr.exp (revision 0)
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+++ valgrind/memcheck/tests/wcs.stderr.exp (working copy)
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@@ -0,0 +1,3 @@
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+wcslen: 53
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+wcscmp equal: 0
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+wcsrchr == wcschr: 1
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Index: valgrind/memcheck/tests/wcs.vgtest
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===================================================================
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--- valgrind/memcheck/tests/wcs.vgtest (revision 0)
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+++ valgrind/memcheck/tests/wcs.vgtest (working copy)
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@@ -0,0 +1,2 @@
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+prog: wcs
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+vgopts: -q
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--- valgrind-3.8.1/memcheck/tests/Makefile.in.orig 2012-10-04 22:27:31.879093431 +0200
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+++ valgrind-3.8.1/memcheck/tests/Makefile.in 2012-10-04 22:28:55.381301338 +0200
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@@ -114,7 +114,7 @@
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unit_oset$(EXEEXT) varinfo1$(EXEEXT) varinfo2$(EXEEXT) \
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varinfo3$(EXEEXT) varinfo4$(EXEEXT) varinfo5$(EXEEXT) \
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varinfo5so.so$(EXEEXT) varinfo6$(EXEEXT) vcpu_fbench$(EXEEXT) \
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- vcpu_fnfns$(EXEEXT) xml1$(EXEEXT) wrap1$(EXEEXT) \
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+ vcpu_fnfns$(EXEEXT) wcs$(EXEEXT) xml1$(EXEEXT) wrap1$(EXEEXT) \
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wrap2$(EXEEXT) wrap3$(EXEEXT) wrap4$(EXEEXT) wrap5$(EXEEXT) \
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wrap6$(EXEEXT) wrap7$(EXEEXT) wrap7so.so$(EXEEXT) \
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wrap8$(EXEEXT) writev1$(EXEEXT) $(am__EXEEXT_1)
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@@ -530,6 +530,9 @@
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vcpu_fnfns_DEPENDENCIES =
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vcpu_fnfns_LINK = $(CCLD) $(vcpu_fnfns_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
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$(LDFLAGS) -o $@
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+wcs_SOURCES = wcs.c
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+wcs_OBJECTS = wcs.$(OBJEXT)
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+wcs_LDADD = $(LDADD)
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wrap1_SOURCES = wrap1.c
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wrap1_OBJECTS = wrap1.$(OBJEXT)
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wrap1_LDADD = $(LDADD)
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@@ -610,9 +613,9 @@
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suppfree.c test-plo.c trivialleak.c unit_libcbase.c \
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unit_oset.c varinfo1.c varinfo2.c varinfo3.c varinfo4.c \
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$(varinfo5_SOURCES) $(varinfo5so_so_SOURCES) varinfo6.c \
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- vcpu_fbench.c vcpu_fnfns.c wrap1.c wrap2.c wrap3.c wrap4.c \
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- wrap5.c wrap6.c $(wrap7_SOURCES) $(wrap7so_so_SOURCES) wrap8.c \
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- writev1.c xml1.c
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+ vcpu_fbench.c vcpu_fnfns.c wcs.c wrap1.c wrap2.c wrap3.c \
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+ wrap4.c wrap5.c wrap6.c $(wrap7_SOURCES) $(wrap7so_so_SOURCES) \
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+ wrap8.c writev1.c xml1.c
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DIST_SOURCES = accounting.c addressable.c atomic_incs.c badaddrvalue.c \
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badfree.c badjump.c badjump2.c badloop.c badpoll.c badrw.c \
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big_blocks_freed_list.c brk2.c buflen_check.c bug287260.c \
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@@ -641,9 +644,9 @@
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suppfree.c test-plo.c trivialleak.c unit_libcbase.c \
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unit_oset.c varinfo1.c varinfo2.c varinfo3.c varinfo4.c \
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$(varinfo5_SOURCES) $(varinfo5so_so_SOURCES) varinfo6.c \
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- vcpu_fbench.c vcpu_fnfns.c wrap1.c wrap2.c wrap3.c wrap4.c \
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- wrap5.c wrap6.c $(wrap7_SOURCES) $(wrap7so_so_SOURCES) wrap8.c \
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- writev1.c xml1.c
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+ vcpu_fbench.c vcpu_fnfns.c wcs.c wrap1.c wrap2.c wrap3.c \
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+ wrap4.c wrap5.c wrap6.c $(wrap7_SOURCES) $(wrap7so_so_SOURCES) \
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+ wrap8.c writev1.c xml1.c
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RECURSIVE_TARGETS = all-recursive check-recursive dvi-recursive \
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html-recursive info-recursive install-data-recursive \
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install-dvi-recursive install-exec-recursive \
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@@ -1142,6 +1145,7 @@
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vcpu_fbench.stdout.exp vcpu_fbench.stderr.exp vcpu_fbench.vgtest \
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vcpu_fnfns.stdout.exp vcpu_fnfns.stdout.exp-glibc28-amd64 \
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vcpu_fnfns.stdout.exp-darwin vcpu_fnfns.stderr.exp vcpu_fnfns.vgtest \
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+ wcs.vgtest wcs.stderr.exp \
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wrap1.vgtest wrap1.stdout.exp wrap1.stderr.exp \
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wrap2.vgtest wrap2.stdout.exp wrap2.stderr.exp \
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wrap3.vgtest wrap3.stdout.exp wrap3.stderr.exp \
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@@ -1629,6 +1633,9 @@
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vcpu_fnfns$(EXEEXT): $(vcpu_fnfns_OBJECTS) $(vcpu_fnfns_DEPENDENCIES)
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@rm -f vcpu_fnfns$(EXEEXT)
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$(vcpu_fnfns_LINK) $(vcpu_fnfns_OBJECTS) $(vcpu_fnfns_LDADD) $(LIBS)
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+wcs$(EXEEXT): $(wcs_OBJECTS) $(wcs_DEPENDENCIES)
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+ @rm -f wcs$(EXEEXT)
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+ $(LINK) $(wcs_OBJECTS) $(wcs_LDADD) $(LIBS)
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wrap1$(EXEEXT): $(wrap1_OBJECTS) $(wrap1_DEPENDENCIES)
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@rm -f wrap1$(EXEEXT)
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$(LINK) $(wrap1_OBJECTS) $(wrap1_LDADD) $(LIBS)
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@@ -1784,6 +1791,7 @@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/varinfo6-varinfo6.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/vcpu_fbench-vcpu_fbench.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/vcpu_fnfns-vcpu_fnfns.Po@am__quote@
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+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/wcs.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/wrap1.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/wrap2.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/wrap3.Po@am__quote@
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