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Diffstat (limited to 'sysdeps/sparc64/elf/start.S')
-rw-r--r-- | sysdeps/sparc64/elf/start.S | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/sysdeps/sparc64/elf/start.S b/sysdeps/sparc64/elf/start.S deleted file mode 100644 index 73f42367ee..0000000000 --- a/sysdeps/sparc64/elf/start.S +++ /dev/null @@ -1,93 +0,0 @@ -/* Startup code for elf64-sparc - Copyright (C) 1997 Free Software Foundation, Inc. - Contributed by Richard Henderson <richard@gnu.ai.mit.edu>, 1997. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include <sysdep.h> - - - .section ".text" - .align 4 - .global _start - .type _start,#function -_start: - - /* First order of business is to load %g4 with our base address. */ - sethi %uhi(_start), %g4 - or %g4, %ulo(_start), %g4 - sllx %g4, 32, %g4 - - /* Terminate the stack frame, and reserve space for functions to - drop their arguments. */ - mov %g0, %fp - sub %sp, 6*8, %sp - - /* Save %g1. When starting a binary via the dynamic linker, %g1 - contains the address of the shared library termination function, - which we will register below with atexit() to be called by exit(). - If we are statically linked, this will be NULL. */ - - /* Do essential libc initialization (sp points to argc, argv, and envp) */ - call __libc_init_first - mov %g1, %l0 - - /* Now that we have the proper stack frame, register library termination - function, if there is any: */ - - brz,pn %l0, 1f - nop - call atexit - mov %l0, %o0 -1: - - /* Extract the arguments and environment as encoded on the stack. The - argument info starts after one register window (16 words) past the SP, - plus the bias we added, plus the magic v9 STACK_BIAS. */ - ldx [%sp+STACK_BIAS+22*8], %o0 - add %sp, STACK_BIAS+23*8, %o1 - sllx %o0, 3, %o2 - add %o2, %o1, %o2 - sethi %hi(__environ), %g2 - add %o2, 8, %o2 - add %g2, %g4, %g2 - stx %o2, [%g2+%lo(__environ)] - - mov %o0, %l0 /* tuck them away */ - mov %o1, %l1 - - /* Call _init, the entry point to our own .init section. */ - call _init - mov %o2, %l2 - - /* Register our .fini section with atexit. */ - sethi %hi(_fini), %o0 - add %o0, %g4, %o0 - call atexit - add %o0, %lo(_fini), %o0 - - /* Call the user's main and exit with its return value. */ - mov %l0, %o0 - mov %l1, %o1 - call main - mov %l2, %o2 - call exit - nop - - /* Die very horribly if exit returns. */ - illtrap 0 - - .size _start,.-_start |