-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Fix handling of xmm6 in ld.so audit hooks on x86-64.
- Loading branch information
H.J. Lu
authored and
Ulrich Drepper
committed
Jul 2, 2009
1 parent
af263b8
commit 167d5ed
Showing
6 changed files
with
227 additions
and
3 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| /* Test case for x86-64 preserved registers in dynamic linker. */ | ||
|
|
||
| #include <stdlib.h> | ||
| #include <string.h> | ||
|
|
||
| #include <emmintrin.h> | ||
|
|
||
| extern __m128i audit_test (__m128i, __m128i, __m128i, __m128i, | ||
| __m128i, __m128i, __m128i, __m128i); | ||
| int | ||
| main (void) | ||
| { | ||
| __m128i xmm = _mm_setzero_si128 (); | ||
| __m128i ret = audit_test (xmm, xmm, xmm, xmm, xmm, xmm, xmm, xmm); | ||
|
|
||
| if (memcmp (&xmm, &ret, sizeof (ret))) | ||
| abort (); | ||
|
|
||
| return 0; | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| /* Test case for x86-64 preserved registers in dynamic linker. */ | ||
|
|
||
| #include <stdlib.h> | ||
| #include <string.h> | ||
| #include <emmintrin.h> | ||
|
|
||
| __m128i | ||
| audit_test (__m128i x0, __m128i x1, __m128i x2, __m128i x3, | ||
| __m128i x4, __m128i x5, __m128i x6, __m128i x7) | ||
| { | ||
| __m128i xmm = _mm_setzero_si128 (); | ||
|
|
||
| if (memcmp (&xmm, &x0, sizeof (xmm)) | ||
| || memcmp (&xmm, &x1, sizeof (xmm)) | ||
| || memcmp (&xmm, &x2, sizeof (xmm)) | ||
| || memcmp (&xmm, &x3, sizeof (xmm)) | ||
| || memcmp (&xmm, &x4, sizeof (xmm)) | ||
| || memcmp (&xmm, &x5, sizeof (xmm)) | ||
| || memcmp (&xmm, &x6, sizeof (xmm)) | ||
| || memcmp (&xmm, &x7, sizeof (xmm))) | ||
| abort (); | ||
|
|
||
| return xmm; | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,156 @@ | ||
| /* Verify that changing xmm registers in audit library won't affect | ||
| function parameter passing/return. */ | ||
|
|
||
| #include <dlfcn.h> | ||
| #include <stdint.h> | ||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include <string.h> | ||
| #include <unistd.h> | ||
| #include <bits/wordsize.h> | ||
| #include <gnu/lib-names.h> | ||
| #include <emmintrin.h> | ||
|
|
||
| unsigned int | ||
| la_version (unsigned int v) | ||
| { | ||
| setlinebuf (stdout); | ||
|
|
||
| printf ("version: %u\n", v); | ||
|
|
||
| char buf[20]; | ||
| sprintf (buf, "%u", v); | ||
|
|
||
| return v; | ||
| } | ||
|
|
||
| void | ||
| la_activity (uintptr_t *cookie, unsigned int flag) | ||
| { | ||
| if (flag == LA_ACT_CONSISTENT) | ||
| printf ("activity: consistent\n"); | ||
| else if (flag == LA_ACT_ADD) | ||
| printf ("activity: add\n"); | ||
| else if (flag == LA_ACT_DELETE) | ||
| printf ("activity: delete\n"); | ||
| else | ||
| printf ("activity: unknown activity %u\n", flag); | ||
| } | ||
|
|
||
| char * | ||
| la_objsearch (const char *name, uintptr_t *cookie, unsigned int flag) | ||
| { | ||
| char buf[100]; | ||
| const char *flagstr; | ||
| if (flag == LA_SER_ORIG) | ||
| flagstr = "LA_SET_ORIG"; | ||
| else if (flag == LA_SER_LIBPATH) | ||
| flagstr = "LA_SER_LIBPATH"; | ||
| else if (flag == LA_SER_RUNPATH) | ||
| flagstr = "LA_SER_RUNPATH"; | ||
| else if (flag == LA_SER_CONFIG) | ||
| flagstr = "LA_SER_CONFIG"; | ||
| else if (flag == LA_SER_DEFAULT) | ||
| flagstr = "LA_SER_DEFAULT"; | ||
| else if (flag == LA_SER_SECURE) | ||
| flagstr = "LA_SER_SECURE"; | ||
| else | ||
| { | ||
| sprintf (buf, "unknown flag %d", flag); | ||
| flagstr = buf; | ||
| } | ||
| printf ("objsearch: %s, %s\n", name, flagstr); | ||
|
|
||
| return (char *) name; | ||
| } | ||
|
|
||
| unsigned int | ||
| la_objopen (struct link_map *l, Lmid_t lmid, uintptr_t *cookie) | ||
| { | ||
| printf ("objopen: %ld, %s\n", lmid, l->l_name); | ||
|
|
||
| return 3; | ||
| } | ||
|
|
||
| void | ||
| la_preinit (uintptr_t *cookie) | ||
| { | ||
| printf ("preinit\n"); | ||
| } | ||
|
|
||
| unsigned int | ||
| la_objclose (uintptr_t *cookie) | ||
| { | ||
| printf ("objclose\n"); | ||
| return 0; | ||
| } | ||
|
|
||
| uintptr_t | ||
| la_symbind32 (Elf32_Sym *sym, unsigned int ndx, uintptr_t *refcook, | ||
| uintptr_t *defcook, unsigned int *flags, const char *symname) | ||
| { | ||
| printf ("symbind32: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n", | ||
| symname, (long int) sym->st_value, ndx, *flags); | ||
|
|
||
| return sym->st_value; | ||
| } | ||
|
|
||
| uintptr_t | ||
| la_symbind64 (Elf64_Sym *sym, unsigned int ndx, uintptr_t *refcook, | ||
| uintptr_t *defcook, unsigned int *flags, const char *symname) | ||
| { | ||
| printf ("symbind64: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n", | ||
| symname, (long int) sym->st_value, ndx, *flags); | ||
|
|
||
| return sym->st_value; | ||
| } | ||
|
|
||
| #define pltenter la_x86_64_gnu_pltenter | ||
| #define pltexit la_x86_64_gnu_pltexit | ||
| #define La_regs La_x86_64_regs | ||
| #define La_retval La_x86_64_retval | ||
| #define int_retval lrv_rax | ||
|
|
||
| #include <tst-audit.h> | ||
|
|
||
| ElfW(Addr) | ||
| pltenter (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook, | ||
| uintptr_t *defcook, La_regs *regs, unsigned int *flags, | ||
| const char *symname, long int *framesizep) | ||
| { | ||
| printf ("pltenter: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n", | ||
| symname, (long int) sym->st_value, ndx, *flags); | ||
|
|
||
| __m128i xmm = _mm_set1_epi32 (-1); | ||
| asm volatile ("movdqa %0, %%xmm0" : : "x" (xmm) : "xmm0" ); | ||
| asm volatile ("movdqa %0, %%xmm1" : : "x" (xmm) : "xmm1" ); | ||
| asm volatile ("movdqa %0, %%xmm2" : : "x" (xmm) : "xmm2" ); | ||
| asm volatile ("movdqa %0, %%xmm3" : : "x" (xmm) : "xmm3" ); | ||
| asm volatile ("movdqa %0, %%xmm4" : : "x" (xmm) : "xmm4" ); | ||
| asm volatile ("movdqa %0, %%xmm5" : : "x" (xmm) : "xmm5" ); | ||
| asm volatile ("movdqa %0, %%xmm6" : : "x" (xmm) : "xmm6" ); | ||
| asm volatile ("movdqa %0, %%xmm7" : : "x" (xmm) : "xmm7" ); | ||
|
|
||
| return sym->st_value; | ||
| } | ||
|
|
||
| unsigned int | ||
| pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook, | ||
| uintptr_t *defcook, const La_regs *inregs, La_retval *outregs, | ||
| const char *symname) | ||
| { | ||
| printf ("pltexit: symname=%s, st_value=%#lx, ndx=%u, retval=%tu\n", | ||
| symname, (long int) sym->st_value, ndx, outregs->int_retval); | ||
|
|
||
| __m128i xmm = _mm_set1_epi32 (-1); | ||
| asm volatile ("movdqa %0, %%xmm0" : : "x" (xmm) : "xmm0" ); | ||
| asm volatile ("movdqa %0, %%xmm1" : : "x" (xmm) : "xmm1" ); | ||
| asm volatile ("movdqa %0, %%xmm2" : : "x" (xmm) : "xmm2" ); | ||
| asm volatile ("movdqa %0, %%xmm3" : : "x" (xmm) : "xmm3" ); | ||
| asm volatile ("movdqa %0, %%xmm4" : : "x" (xmm) : "xmm4" ); | ||
| asm volatile ("movdqa %0, %%xmm5" : : "x" (xmm) : "xmm5" ); | ||
| asm volatile ("movdqa %0, %%xmm6" : : "x" (xmm) : "xmm6" ); | ||
| asm volatile ("movdqa %0, %%xmm7" : : "x" (xmm) : "xmm7" ); | ||
|
|
||
| return 0; | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters