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elf: Add _dl_audit_pltexit
It consolidates the code required to call la_pltexit audit callback. Checked on x86_64-linux-gnu, i686-linux-gnu, and aarch64-linux-gnu. Reviewed-by: Florian Weimer <fweimer@redhat.com>
This commit is contained in:
Adhemerval Zanella
parent
eff687e846
commit
8c0664e2b8
@ -20,6 +20,8 @@
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#include <link.h>
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#include <ldsodefs.h>
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#include <dl-machine.h>
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#include <dl-runtime.h>
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#include <dl-fixup-attribute.h>
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void
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_dl_audit_activity_map (struct link_map *l, int action)
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@ -320,3 +322,48 @@ _dl_audit_pltenter (struct link_map *l, struct reloc_result *reloc_result,
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*value = DL_FIXUP_ADDR_VALUE (sym.st_value);
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}
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void
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DL_ARCH_FIXUP_ATTRIBUTE
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_dl_audit_pltexit (struct link_map *l, ElfW(Word) reloc_arg,
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const void *inregs, void *outregs)
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{
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const uintptr_t pltgot = (uintptr_t) D_PTR (l, l_info[DT_PLTGOT]);
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/* This is the address in the array where we store the result of previous
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relocations. */
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// XXX Maybe the bound information must be stored on the stack since
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// XXX with bind_not a new value could have been stored in the meantime.
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struct reloc_result *reloc_result =
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&l->l_reloc_result[reloc_index (pltgot, reloc_arg, sizeof (PLTREL))];
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ElfW(Sym) *defsym = ((ElfW(Sym) *) D_PTR (reloc_result->bound,
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l_info[DT_SYMTAB])
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+ reloc_result->boundndx);
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/* Set up the sym parameter. */
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ElfW(Sym) sym = *defsym;
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sym.st_value = DL_FIXUP_VALUE_ADDR (reloc_result->addr);
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/* Get the symbol name. */
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const char *strtab = (const void *) D_PTR (reloc_result->bound,
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l_info[DT_STRTAB]);
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const char *symname = strtab + sym.st_name;
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struct audit_ifaces *afct = GLRO(dl_audit);
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for (unsigned int cnt = 0; cnt < GLRO(dl_naudit); ++cnt)
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{
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if (afct->ARCH_LA_PLTEXIT != NULL
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&& (reloc_result->enterexit
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& (LA_SYMB_NOPLTEXIT >> (2 * cnt))) == 0)
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{
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struct auditstate *l_state = link_map_audit_state (l, cnt);
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struct auditstate *bound_state
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= link_map_audit_state (reloc_result->bound, cnt);
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afct->ARCH_LA_PLTEXIT (&sym, reloc_result->boundndx,
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&l_state->cookie, &bound_state->cookie,
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inregs, outregs, symname);
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}
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afct = afct->next;
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}
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}
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@ -16,8 +16,6 @@
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#define IN_DL_RUNTIME 1 /* This can be tested in dl-machine.h. */
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#include <alloca.h>
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#include <assert.h>
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#include <stdlib.h>
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@ -31,19 +29,6 @@
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#include <dl-runtime.h>
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#if (!ELF_MACHINE_NO_RELA && !defined ELF_MACHINE_PLT_REL) \
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|| ELF_MACHINE_NO_REL
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# define PLTREL ElfW(Rela)
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#else
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# define PLTREL ElfW(Rel)
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#endif
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/* The fixup functions might have need special attributes. If none
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are provided define the macro as empty. */
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#ifndef ARCH_FIXUP_ATTRIBUTE
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# define ARCH_FIXUP_ATTRIBUTE
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#endif
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/* This function is called through a special trampoline from the PLT the
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first time each PLT entry is called. We must perform the relocation
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specified in the PLT of the given shared object, and return the resolved
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@ -52,7 +37,7 @@
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function. */
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DL_FIXUP_VALUE_TYPE
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attribute_hidden __attribute ((noinline)) ARCH_FIXUP_ATTRIBUTE
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attribute_hidden __attribute ((noinline)) DL_ARCH_FIXUP_ATTRIBUTE
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_dl_fixup (
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# ifdef ELF_MACHINE_RUNTIME_FIXUP_ARGS
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ELF_MACHINE_RUNTIME_FIXUP_ARGS,
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@ -148,7 +133,8 @@ _dl_fixup (
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#ifndef PROF
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DL_FIXUP_VALUE_TYPE
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__attribute ((noinline)) ARCH_FIXUP_ATTRIBUTE
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__attribute ((noinline))
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DL_ARCH_FIXUP_ATTRIBUTE
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_dl_profile_fixup (
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#ifdef ELF_MACHINE_RUNTIME_FIXUP_ARGS
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ELF_MACHINE_RUNTIME_FIXUP_ARGS,
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@ -332,52 +318,3 @@ _dl_profile_fixup (
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}
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#endif /* PROF */
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#include <stdio.h>
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void
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ARCH_FIXUP_ATTRIBUTE
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_dl_call_pltexit (struct link_map *l, ElfW(Word) reloc_arg,
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const void *inregs, void *outregs)
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{
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#ifdef SHARED
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const uintptr_t pltgot = (uintptr_t) D_PTR (l, l_info[DT_PLTGOT]);
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/* This is the address in the array where we store the result of previous
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relocations. */
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// XXX Maybe the bound information must be stored on the stack since
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// XXX with bind_not a new value could have been stored in the meantime.
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struct reloc_result *reloc_result =
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&l->l_reloc_result[reloc_index (pltgot, reloc_arg, sizeof (PLTREL))];
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ElfW(Sym) *defsym = ((ElfW(Sym) *) D_PTR (reloc_result->bound,
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l_info[DT_SYMTAB])
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+ reloc_result->boundndx);
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/* Set up the sym parameter. */
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ElfW(Sym) sym = *defsym;
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sym.st_value = DL_FIXUP_VALUE_ADDR (reloc_result->addr);
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/* Get the symbol name. */
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const char *strtab = (const void *) D_PTR (reloc_result->bound,
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l_info[DT_STRTAB]);
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const char *symname = strtab + sym.st_name;
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struct audit_ifaces *afct = GLRO(dl_audit);
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for (unsigned int cnt = 0; cnt < GLRO(dl_naudit); ++cnt)
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{
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if (afct->ARCH_LA_PLTEXIT != NULL
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&& (reloc_result->enterexit
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& (LA_SYMB_NOPLTEXIT >> (2 * cnt))) == 0)
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{
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struct auditstate *l_state = link_map_audit_state (l, cnt);
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struct auditstate *bound_state
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= link_map_audit_state (reloc_result->bound, cnt);
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afct->ARCH_LA_PLTEXIT (&sym, reloc_result->boundndx,
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&l_state->cookie, &bound_state->cookie,
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inregs, outregs, symname);
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}
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afct = afct->next;
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}
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#endif
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}
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@ -436,3 +436,11 @@ _dl_get_dl_main_map (void)
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return &_dl_main_map;
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}
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#endif
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/* This is used by _dl_runtime_profile, not used on static code. */
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void
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DL_ARCH_FIXUP_ATTRIBUTE
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_dl_audit_pltexit (struct link_map *l, ElfW(Word) reloc_arg,
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const void *inregs, void *outregs)
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{
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}
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@ -293,7 +293,7 @@ _dl_runtime_profile:
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ldp x0, x1, [x29, #OFFSET_SAVED_CALL_X0]
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add x2, x29, #OFFSET_RG
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add x3, x29, #OFFSET_RV
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bl _dl_call_pltexit
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bl _dl_audit_pltexit
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ldp x0, x1, [x29, #OFFSET_RV + DL_OFFSET_RV_X0]
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ldp d0, d1, [x29, #OFFSET_RV + DL_OFFSET_RV_D0 + 16*0]
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@ -187,7 +187,7 @@ _dl_runtime_profile_new:
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jsr $26, ($27), 0
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ldgp $29, 0($26)
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/* Set up for call to _dl_call_pltexit. */
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/* Set up for call to _dl_audit_pltexit. */
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ldq $16, 16*8($15)
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ldq $17, 17*8($15)
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stq $0, 16*8($15)
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@ -196,7 +196,7 @@ _dl_runtime_profile_new:
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lda $19, 16*8($15)
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stt $f0, 18*8($15)
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stt $f1, 19*8($15)
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bsr $26, _dl_call_pltexit !samegp
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bsr $26, _dl_audit_pltexit !samegp
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mov $15, $30
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cfi_def_cfa_register (30)
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@ -518,7 +518,7 @@ _dl_runtime_profile_old:
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jsr $26, ($27), 0
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ldgp $29, 0($26)
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/* Set up for call to _dl_call_pltexit. */
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/* Set up for call to _dl_audit_pltexit. */
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ldq $16, 48*8($15)
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ldq $17, 49*8($15)
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stq $0, 46*8($15)
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@ -527,7 +527,7 @@ _dl_runtime_profile_old:
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lda $19, 46*8($15)
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stt $f0, 48*8($15)
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stt $f1, 49*8($15)
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bsr $26, _dl_call_pltexit !samegp
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bsr $26, _dl_audit_pltexit !samegp
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mov $15, $30
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cfi_def_cfa_register (30)
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@ -28,4 +28,6 @@
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Prelinked libraries may use Elf32_Rela though. */
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#define ELF_MACHINE_PLT_REL 1
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#define PLTREL ElfW(Rel)
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#endif
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@ -194,7 +194,7 @@ _dl_runtime_profile:
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ldmia ip, {r0,r1}
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add r2, r7, #72
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add r3, r7, #0
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bl _dl_call_pltexit
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bl _dl_audit_pltexit
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@ Return to caller.
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ldmia r7, {r0-r3}
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24
sysdeps/generic/dl-fixup-attribute.h
Normal file
24
sysdeps/generic/dl-fixup-attribute.h
Normal file
@ -0,0 +1,24 @@
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/* ABI specifics for lazy resolution functions.
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Copyright (C) 2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _DL_FIXUP_ATTRIBUTE_H
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#define _DL_FIXUP_ATTRIBUTE_H
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#define DL_ARCH_FIXUP_ATTRIBUTE
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#endif
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@ -23,5 +23,7 @@
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#define ELF_MACHINE_NO_REL 1
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/* Defined if the architecture supports Elf{32,64}_Rela relocations. */
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#define ELF_MACHINE_NO_RELA 0
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/* Used to calculate the index of link_map l_reloc_result. */
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#define PLTREL ElfW(Rela)
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#endif
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@ -35,6 +35,7 @@
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#include <link.h>
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#include <dl-lookupcfg.h>
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#include <dl-sysdep.h>
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#include <dl-fixup-attribute.h>
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#include <libc-lock.h>
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#include <hp-timing.h>
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#include <tls.h>
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@ -1438,6 +1439,11 @@ void _dl_audit_pltenter (struct link_map *l, struct reloc_result *reloc_result,
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DL_FIXUP_VALUE_TYPE *value, void *regs,
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long int *framesize)
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attribute_hidden;
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void DL_ARCH_FIXUP_ATTRIBUTE _dl_audit_pltexit (struct link_map *l,
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ElfW(Word) reloc_arg,
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const void *inregs,
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void *outregs)
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attribute_hidden;
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#endif /* SHARED */
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#if PTHREAD_IN_LIBC && defined SHARED
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@ -26,7 +26,7 @@
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_dl_fixup with the relocation offset. */
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ElfW(Word)
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attribute_hidden __attribute ((noinline)) ARCH_FIXUP_ATTRIBUTE
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attribute_hidden __attribute ((noinline)) DL_ARCH_FIXUP_ATTRIBUTE
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_dl_fix_reloc_arg (struct fdesc *fptr, struct link_map *l)
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{
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Elf32_Addr l_addr, iplt, jmprel, end_jmprel, r_type;
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@ -300,7 +300,7 @@ L(cont):
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ldw -4(%sp),%r1
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copy %r1, %sp
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/* Arguments to _dl_call_pltexit */
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/* Arguments to _dl_audit_pltexit */
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ldw -116(%sp), %r26 /* (1) got[1] == struct link_map */
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ldw -120(%sp), %r25 /* (2) reloc offsets */
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ldo -56(%sp), %r24 /* (3) *La_hppa_regs */
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@ -312,8 +312,8 @@ L(cont):
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ldo -128(%sp), %r1
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fstd %fr4,0(%r1)
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/* Call _dl_call_pltexit */
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bl _dl_call_pltexit,%rp
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/* Call _dl_audit_pltexit */
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bl _dl_audit_pltexit,%rp
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nop
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/* Restore *La_hppa_retval */
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30
sysdeps/i386/dl-fixup-attribute.h
Normal file
30
sysdeps/i386/dl-fixup-attribute.h
Normal file
@ -0,0 +1,30 @@
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/* ABI specifics for lazy resolution functions. i386 version.
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Copyright (C) 2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _DL_FIXUP_ATTRIBUTE_H
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#define _DL_FIXUP_ATTRIBUTE_H
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/* We cannot use this scheme for profiling because the _mcount call destroys
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the passed register information. */
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#ifndef PROF
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# define DL_ARCH_FIXUP_ATTRIBUTE __attribute__ ((regparm (3), stdcall, unused))
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#else
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# define DL_ARCH_FIXUP_ATTRIBUTE
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#endif
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#endif
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@ -28,4 +28,6 @@
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Prelinked libraries may use Elf32_Rela though. */
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#define ELF_MACHINE_PLT_REL 1
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#define PLTREL ElfW(Rel)
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#endif
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@ -115,29 +115,6 @@ elf_machine_runtime_setup (struct link_map *l, struct r_scope_elem *scope[],
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return lazy;
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}
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#ifdef IN_DL_RUNTIME
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# ifndef PROF
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/* We add a declaration of this function here so that in dl-runtime.c
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the ELF_MACHINE_RUNTIME_TRAMPOLINE macro really can pass the parameters
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in registers.
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We cannot use this scheme for profiling because the _mcount call
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destroys the passed register information. */
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#define ARCH_FIXUP_ATTRIBUTE __attribute__ ((regparm (3), stdcall, unused))
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extern ElfW(Addr) _dl_fixup (struct link_map *l,
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ElfW(Word) reloc_offset)
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ARCH_FIXUP_ATTRIBUTE;
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extern ElfW(Addr) _dl_profile_fixup (struct link_map *l,
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ElfW(Word) reloc_offset,
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ElfW(Addr) retaddr, void *regs,
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long int *framesizep)
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ARCH_FIXUP_ATTRIBUTE;
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# endif
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#endif
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/* Mask identifying addresses reserved for the user program,
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where the dynamic linker should not map anything. */
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#define ELF_MACHINE_USER_ADDRESS_MASK 0xf0000000UL
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@ -252,7 +252,7 @@ _dl_runtime_profile:
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movl (LRV_SIZE + 4 + LR_SIZE)(%esp), %eax
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# PLT1
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movl (LRV_SIZE + 4 + LR_SIZE + 4)(%esp), %edx
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call _dl_call_pltexit
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call _dl_audit_pltexit
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movl LRV_EAX_OFFSET(%esp), %eax
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movl LRV_EDX_OFFSET(%esp), %edx
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fldt LRV_ST1_OFFSET(%esp)
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@ -133,7 +133,7 @@ END(_dl_runtime_resolve)
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/* The fourth argument to _dl_profile_fixup and the third one to
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_dl_call_pltexit are a pointer to La_ia64_regs:
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_dl_audit_pltexit are a pointer to La_ia64_regs:
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8byte r8
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8byte r9
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@ -159,7 +159,7 @@ END(_dl_runtime_resolve)
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8byte sp
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The fifth argument to _dl_profile_fixup is a pointer to long int.
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The fourth argument to _dl_call_pltexit is a pointer to
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The fourth argument to _dl_audit_pltexit is a pointer to
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La_ia64_retval:
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8byte r8
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@ -261,7 +261,7 @@ ENTRY(_dl_runtime_profile)
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}
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{ .mii
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mov r18 = ar.unat /* save it in La_ia64_regs */
|
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mov loc7 = out3 /* save it for _dl_call_pltexit */
|
||||
mov loc7 = out3 /* save it for _dl_audit_pltexit */
|
||||
mov loc5 = r11 /* preserve language specific register */
|
||||
}
|
||||
{ .mmi
|
||||
@ -272,7 +272,7 @@ ENTRY(_dl_runtime_profile)
|
||||
}
|
||||
{ .mii
|
||||
mov ar.unat = r17 /* restore it for function call */
|
||||
mov loc8 = r16 /* save it for _dl_call_pltexit */
|
||||
mov loc8 = r16 /* save it for _dl_audit_pltexit */
|
||||
nop.i 0x0
|
||||
}
|
||||
{ .mmi
|
||||
@ -291,7 +291,7 @@ ENTRY(_dl_runtime_profile)
|
||||
{ .mmi
|
||||
stf.spill [r2] = f14, 32
|
||||
stf.spill [r3] = f15, 24
|
||||
mov loc9 = out1 /* save it for _dl_call_pltexit */
|
||||
mov loc9 = out1 /* save it for _dl_audit_pltexit */
|
||||
;;
|
||||
}
|
||||
{ .mmb
|
||||
@ -426,7 +426,7 @@ ENTRY(_dl_runtime_profile)
|
||||
br.call.sptk.many b0 = b6
|
||||
}
|
||||
{ .mii
|
||||
/* Prepare stack for _dl_call_pltexit. Loc10 has the original
|
||||
/* Prepare stack for _dl_audit_pltexit. Loc10 has the original
|
||||
stack pointer. */
|
||||
adds r12 = -PLTEXIT_FRAME_SIZE, loc10
|
||||
adds r2 = -(PLTEXIT_FRAME_SIZE - 16), loc10
|
||||
@ -461,14 +461,14 @@ ENTRY(_dl_runtime_profile)
|
||||
{ .mmi
|
||||
stf.spill [r2] = f12, 32
|
||||
stf.spill [r3] = f13, 32
|
||||
/* We need to restore gp for _dl_call_pltexit. */
|
||||
/* We need to restore gp for _dl_audit_pltexit. */
|
||||
mov gp = loc11
|
||||
;;
|
||||
}
|
||||
{ .mmb
|
||||
stf.spill [r2] = f14
|
||||
stf.spill [r3] = f15
|
||||
br.call.sptk.many b0 = _dl_call_pltexit
|
||||
br.call.sptk.many b0 = _dl_audit_pltexit
|
||||
}
|
||||
{ .mmi
|
||||
/* Load all the non-floating and floating return values. Skip
|
||||
|
||||
@ -202,7 +202,7 @@ _dl_runtime_profile:
|
||||
cfi_adjust_cfa_offset (4)
|
||||
move.l (32+FPSPACE)(%sp), -(%sp)
|
||||
cfi_adjust_cfa_offset (4)
|
||||
jbsr _dl_call_pltexit
|
||||
jbsr _dl_audit_pltexit
|
||||
lea 16(%sp), %sp
|
||||
cfi_adjust_cfa_offset (-16)
|
||||
move.l (%sp)+, %d0
|
||||
|
||||
@ -22,5 +22,6 @@
|
||||
#define ELF_MACHINE_PLT_REL 1
|
||||
#define ELF_MACHINE_NO_REL 0
|
||||
#define ELF_MACHINE_NO_RELA 0
|
||||
#define PLTREL ElfW(Rel)
|
||||
|
||||
#endif
|
||||
|
||||
@ -197,7 +197,7 @@ END(_dl_runtime_resolve)
|
||||
#ifndef PROF
|
||||
ENTRY (_dl_profile_resolve, 4)
|
||||
/* Spill r30, r31 to preserve the link_map* and reloc_addr, in case we
|
||||
need to call _dl_call_pltexit. */
|
||||
need to call _dl_audit_pltexit. */
|
||||
std r31,-8(r1)
|
||||
std r30,-16(r1)
|
||||
/* We need to save the registers used to pass parameters, ie. r3 thru
|
||||
@ -452,7 +452,7 @@ L(restoreFXR2):
|
||||
L(callpltexit):
|
||||
addi r5,r1,INT_PARMS
|
||||
addi r6,r1,INT_RTN
|
||||
bl JUMPTARGET(_dl_call_pltexit)
|
||||
bl JUMPTARGET(_dl_audit_pltexit)
|
||||
#ifndef SHARED
|
||||
nop
|
||||
#endif
|
||||
|
||||
@ -282,7 +282,7 @@ _dl_runtime_profile:
|
||||
basr %r1,0
|
||||
5: l %r14,7f-5b(%r1)
|
||||
la %r5,CFA_OFF+RETVAL_OFF(%r12) # struct La_s390_32_retval *
|
||||
bas %r14,0(%r14,%r1) # call _dl_call_pltexit
|
||||
bas %r14,0(%r14,%r1) # call _dl_audit_pltexit
|
||||
|
||||
lr %r15,%r12 # remove stack frame
|
||||
# undef FRAME_SIZE
|
||||
@ -301,7 +301,7 @@ _dl_runtime_profile:
|
||||
br %r14
|
||||
|
||||
6: .long _dl_profile_fixup - 0b
|
||||
7: .long _dl_call_pltexit - 5b
|
||||
7: .long _dl_audit_pltexit - 5b
|
||||
cfi_endproc
|
||||
.size _dl_runtime_profile, .-_dl_runtime_profile
|
||||
# undef SIZEOF_STRUCT_LA_S390_32_REGS
|
||||
|
||||
@ -284,7 +284,7 @@ _dl_runtime_profile:
|
||||
lmg %r2,%r4,CFA_OFF+PLT1_OFF(%r12) # r2, r3: args saved by PLT
|
||||
# r4: struct La_s390_64_regs *
|
||||
la %r5,CFA_OFF+RETVAL_OFF(%r12) # struct La_s390_64_retval *
|
||||
brasl %r14,_dl_call_pltexit
|
||||
brasl %r14,_dl_audit_pltexit
|
||||
|
||||
lgr %r15,%r12 # remove stack frame
|
||||
# undef FRAME_SIZE
|
||||
|
||||
@ -423,8 +423,8 @@ _dl_runtime_profile:
|
||||
.align 2
|
||||
#ifdef SHARED
|
||||
7: .long _GLOBAL_OFFSET_TABLE_
|
||||
8: .long _dl_call_pltexit@GOTOFF
|
||||
8: .long _dl_audit_pltexit@GOTOFF
|
||||
#else
|
||||
8: .long _dl_call_pltexit
|
||||
8: .long _dl_audit_pltexit
|
||||
#endif
|
||||
.size _dl_runtime_profile, .-_dl_runtime_profile
|
||||
|
||||
@ -127,7 +127,7 @@ _dl_profile_invoke:
|
||||
mov %l5, %o0
|
||||
mov %l6, %o1
|
||||
add %sp, (11 * 8), %o2
|
||||
call _dl_call_pltexit
|
||||
call _dl_audit_pltexit
|
||||
add %sp, ( 9 * 8), %o3
|
||||
|
||||
ldd [%sp + ( 9 * 8)], %i0
|
||||
|
||||
@ -196,7 +196,7 @@ _dl_profile_invoke:
|
||||
mov %l5, %o0
|
||||
mov %l6, %o1
|
||||
add %sp, STACK_BIAS + (24 * 8), %o2
|
||||
call _dl_call_pltexit
|
||||
call _dl_audit_pltexit
|
||||
add %sp, STACK_BIAS + (16 * 8), %o3
|
||||
|
||||
ldx [%sp + STACK_BIAS + (16 * 8)], %i0
|
||||
|
||||
@ -18,7 +18,7 @@
|
||||
02111-1307 USA. */
|
||||
|
||||
/* The ABI calls for the PLT stubs to pass the index of the relocation
|
||||
and not its offset. In _dl_profile_fixup and _dl_call_pltexit we
|
||||
and not its offset. In _dl_profile_fixup and _dl_audit_pltexit we
|
||||
also use the index. Therefore it is wasteful to compute the offset
|
||||
in the trampoline just to reverse the operation immediately
|
||||
afterwards. */
|
||||
|
||||
@ -357,7 +357,7 @@ _dl_runtime_profile:
|
||||
jns 3f
|
||||
|
||||
/* There's nothing in the frame size, so there
|
||||
will be no call to the _dl_call_pltexit. */
|
||||
will be no call to the _dl_audit_pltexit. */
|
||||
|
||||
/* Get back registers content. */
|
||||
movq LR_RCX_OFFSET(%rsp), %rcx
|
||||
@ -403,7 +403,7 @@ _dl_runtime_profile:
|
||||
mov 24(%rbx), %RSP_LP # Drop the copied stack content
|
||||
|
||||
/* Now we have to prepare the La_x86_64_retval structure for the
|
||||
_dl_call_pltexit. The La_x86_64_regs is being pointed by rsp now,
|
||||
_dl_audit_pltexit. The La_x86_64_regs is being pointed by rsp now,
|
||||
so we just need to allocate the sizeof(La_x86_64_retval) space on
|
||||
the stack, since the alignment has already been taken care of. */
|
||||
# ifdef RESTORE_AVX
|
||||
@ -448,7 +448,7 @@ _dl_runtime_profile:
|
||||
movq 24(%rbx), %rdx # La_x86_64_regs argument to %rdx.
|
||||
movq 40(%rbx), %rsi # Copy args pushed by PLT in register.
|
||||
movq 32(%rbx), %rdi # %rdi: link_map, %rsi: reloc_index
|
||||
call _dl_call_pltexit
|
||||
call _dl_audit_pltexit
|
||||
|
||||
/* Restore return registers. */
|
||||
movq LRV_RAX_OFFSET(%rsp), %rax
|
||||
|
||||
Loading…
Reference in New Issue
Block a user