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/* Copyright (C) 2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
ENTRY(execle)
cfi_startproc
lda sp, -48(sp)
cfi_adjust_cfa_offset(48)
.frame sp, 48, ra
.prologue 0
/* Save the portions of the argv argument list in registers. */
stq a5, 40(sp)
stq a4, 32(sp)
stq a3, 24(sp)
stq a2, 16(sp)
stq a1, 8(sp)
/* Find the env argument. It is the array element after the argv
NULL terminator, which cannot be located before argv[1]. */
lda t0, 16(sp)
1: ldq t1, 0(t0)
addq t0, 8, t0
bne t1, 1b
/* Load the argv and envp arguments; path is already in place. */
lda a1, 8(sp)
ldq a2, 0(t0)
lda v0, SYS_ify(execve)
call_pal PAL_callsys
/* Discard the stack frame now. */
lda sp, 48(sp)
cfi_adjust_cfa_offset(-48)
/* All returns are errors. */
br SYSCALL_ERROR_LABEL
PSEUDO_END (execle)
cfi_endproc
libc_hidden_def (execle)
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