mirror of
https://sourceware.org/git/glibc.git
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181 lines
6.6 KiB
C
181 lines
6.6 KiB
C
/* Check LD_AUDIT for aarch64 specific ABI.
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Copyright (C) 2022-2024 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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#include <assert.h>
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#include <link.h>
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#include <string.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "tst-audit27mod.h"
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#define TEST_NAME "tst-audit27"
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#define AUDIT27_COOKIE 0
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unsigned int
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la_version (unsigned int v)
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{
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return v;
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}
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unsigned int
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la_objopen (struct link_map *map, Lmid_t lmid, uintptr_t *cookie)
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{
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const char *p = strrchr (map->l_name, '/');
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const char *l_name = p == NULL ? map->l_name : p + 1;
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uintptr_t ck = -1;
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if (strncmp (l_name, TEST_NAME, strlen (TEST_NAME)) == 0)
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ck = AUDIT27_COOKIE;
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*cookie = ck;
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printf ("objopen: %ld, %s [%ld]\n", lmid, l_name, ck);
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return ck == -1 ? 0 : LA_FLG_BINDFROM | LA_FLG_BINDTO;
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}
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ElfW(Addr)
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la_aarch64_gnu_pltenter (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook, La_aarch64_regs *regs,
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unsigned int *flags, const char *symname,
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long int *framesizep)
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{
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printf ("pltenter: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n",
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symname, (long int) sym->st_value, ndx, *flags);
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if (strcmp (symname, "tst_audit27_func_float") == 0)
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{
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assert (regs->lr_vreg[0].s == FUNC_FLOAT_ARG0);
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assert (regs->lr_vreg[1].s == FUNC_FLOAT_ARG1);
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assert (regs->lr_vreg[2].s == FUNC_FLOAT_ARG2);
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assert (regs->lr_vreg[3].s == FUNC_FLOAT_ARG3);
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assert (regs->lr_vreg[4].s == FUNC_FLOAT_ARG4);
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assert (regs->lr_vreg[5].s == FUNC_FLOAT_ARG5);
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assert (regs->lr_vreg[6].s == FUNC_FLOAT_ARG6);
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assert (regs->lr_vreg[7].s == FUNC_FLOAT_ARG7);
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}
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else if (strcmp (symname, "tst_audit27_func_double") == 0)
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{
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assert (regs->lr_vreg[0].d == FUNC_DOUBLE_ARG0);
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assert (regs->lr_vreg[1].d == FUNC_DOUBLE_ARG1);
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assert (regs->lr_vreg[2].d == FUNC_DOUBLE_ARG2);
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assert (regs->lr_vreg[3].d == FUNC_DOUBLE_ARG3);
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assert (regs->lr_vreg[4].d == FUNC_DOUBLE_ARG4);
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assert (regs->lr_vreg[5].d == FUNC_DOUBLE_ARG5);
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assert (regs->lr_vreg[6].d == FUNC_DOUBLE_ARG6);
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assert (regs->lr_vreg[7].d == FUNC_DOUBLE_ARG7);
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}
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else if (strcmp (symname, "tst_audit27_func_ldouble") == 0)
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{
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assert (regs->lr_vreg[0].q == FUNC_LDOUBLE_ARG0);
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assert (regs->lr_vreg[1].q == FUNC_LDOUBLE_ARG1);
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assert (regs->lr_vreg[2].q == FUNC_LDOUBLE_ARG2);
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assert (regs->lr_vreg[3].q == FUNC_LDOUBLE_ARG3);
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assert (regs->lr_vreg[4].q == FUNC_LDOUBLE_ARG4);
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assert (regs->lr_vreg[5].q == FUNC_LDOUBLE_ARG5);
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assert (regs->lr_vreg[6].q == FUNC_LDOUBLE_ARG6);
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assert (regs->lr_vreg[7].q == FUNC_LDOUBLE_ARG7);
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}
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else
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abort ();
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assert (regs->lr_vpcs == 0);
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/* Clobber the q registers on exit. */
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uint8_t v = 0xff;
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asm volatile ("dup v0.8b, %w0" : : "r" (v) : "v0");
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asm volatile ("dup v1.8b, %w0" : : "r" (v) : "v1");
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asm volatile ("dup v2.8b, %w0" : : "r" (v) : "v2");
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asm volatile ("dup v3.8b, %w0" : : "r" (v) : "v3");
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asm volatile ("dup v4.8b, %w0" : : "r" (v) : "v4");
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asm volatile ("dup v5.8b, %w0" : : "r" (v) : "v5");
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asm volatile ("dup v6.8b, %w0" : : "r" (v) : "v6");
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asm volatile ("dup v7.8b, %w0" : : "r" (v) : "v7");
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*framesizep = 1024;
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return sym->st_value;
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}
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unsigned int
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la_aarch64_gnu_pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook,
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const struct La_aarch64_regs *inregs,
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struct La_aarch64_retval *outregs,
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const char *symname)
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{
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printf ("pltexit: symname=%s, st_value=%#lx, ndx=%u\n",
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symname, (long int) sym->st_value, ndx);
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if (strcmp (symname, "tst_audit27_func_float") == 0)
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{
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assert (inregs->lr_vreg[0].s == FUNC_FLOAT_ARG0);
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assert (inregs->lr_vreg[1].s == FUNC_FLOAT_ARG1);
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assert (inregs->lr_vreg[2].s == FUNC_FLOAT_ARG2);
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assert (inregs->lr_vreg[3].s == FUNC_FLOAT_ARG3);
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assert (inregs->lr_vreg[4].s == FUNC_FLOAT_ARG4);
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assert (inregs->lr_vreg[5].s == FUNC_FLOAT_ARG5);
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assert (inregs->lr_vreg[6].s == FUNC_FLOAT_ARG6);
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assert (inregs->lr_vreg[7].s == FUNC_FLOAT_ARG7);
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assert (outregs->lrv_vreg[0].s == FUNC_FLOAT_RET);
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}
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else if (strcmp (symname, "tst_audit27_func_double") == 0)
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{
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assert (inregs->lr_vreg[0].d == FUNC_DOUBLE_ARG0);
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assert (inregs->lr_vreg[1].d == FUNC_DOUBLE_ARG1);
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assert (inregs->lr_vreg[2].d == FUNC_DOUBLE_ARG2);
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assert (inregs->lr_vreg[3].d == FUNC_DOUBLE_ARG3);
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assert (inregs->lr_vreg[4].d == FUNC_DOUBLE_ARG4);
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assert (inregs->lr_vreg[5].d == FUNC_DOUBLE_ARG5);
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assert (inregs->lr_vreg[6].d == FUNC_DOUBLE_ARG6);
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assert (inregs->lr_vreg[7].d == FUNC_DOUBLE_ARG7);
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assert (outregs->lrv_vreg[0].d == FUNC_DOUBLE_RET);
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}
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else if (strcmp (symname, "tst_audit27_func_ldouble") == 0)
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{
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assert (inregs->lr_vreg[0].q == FUNC_LDOUBLE_ARG0);
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assert (inregs->lr_vreg[1].q == FUNC_LDOUBLE_ARG1);
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assert (inregs->lr_vreg[2].q == FUNC_LDOUBLE_ARG2);
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assert (inregs->lr_vreg[3].q == FUNC_LDOUBLE_ARG3);
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assert (inregs->lr_vreg[4].q == FUNC_LDOUBLE_ARG4);
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assert (inregs->lr_vreg[5].q == FUNC_LDOUBLE_ARG5);
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assert (inregs->lr_vreg[6].q == FUNC_LDOUBLE_ARG6);
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assert (inregs->lr_vreg[7].q == FUNC_LDOUBLE_ARG7);
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assert (outregs->lrv_vreg[0].q == FUNC_LDOUBLE_RET);
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}
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else
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abort ();
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assert (inregs->lr_vpcs == 0);
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assert (outregs->lrv_vpcs == 0);
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/* Clobber the q registers on exit. */
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uint8_t v = 0xff;
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asm volatile ("dup v0.8b, %w0" : : "r" (v) : "v0");
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asm volatile ("dup v1.8b, %w0" : : "r" (v) : "v1");
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asm volatile ("dup v2.8b, %w0" : : "r" (v) : "v2");
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asm volatile ("dup v3.8b, %w0" : : "r" (v) : "v3");
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asm volatile ("dup v4.8b, %w0" : : "r" (v) : "v4");
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asm volatile ("dup v5.8b, %w0" : : "r" (v) : "v5");
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asm volatile ("dup v6.8b, %w0" : : "r" (v) : "v6");
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asm volatile ("dup v7.8b, %w0" : : "r" (v) : "v7");
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return 0;
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}
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