diff options
Diffstat (limited to 'libc/sysdeps/linux/alpha')
| -rw-r--r-- | libc/sysdeps/linux/alpha/crt1.S | 69 |
1 files changed, 43 insertions, 26 deletions
diff --git a/libc/sysdeps/linux/alpha/crt1.S b/libc/sysdeps/linux/alpha/crt1.S index 0831ecf6f..2034fa3b9 100644 --- a/libc/sysdeps/linux/alpha/crt1.S +++ b/libc/sysdeps/linux/alpha/crt1.S @@ -1,5 +1,6 @@ /* Startup code for Alpha/ELF. - Copyright (C) 1993,1995,1996,1997,1998,2000,2001 Free Software Foundation, Inc. + Copyright (C) 1993, 1995, 1996, 1997, 1998, 2000, 2001, 2002, 2003 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson <rth@tamu.edu> @@ -8,6 +9,23 @@ License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file with other + programs, and to distribute those programs without any restriction + coming from the use of this file. (The GNU Lesser General Public + License restrictions do apply in other respects; for example, they + cover modification of the file, and distribution when not linked + into another program.) + + Note that people who make modified versions of this file are not + obligated to grant this special exception for their modified + versions; it is their choice whether to do so. The GNU Lesser + General Public License gives permission to release a modified + version without this exception; this exception also makes it + possible to release a modified version which carries forward this + exception. + 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 @@ -21,22 +39,19 @@ #include <features.h> #include <asm/regdef.h> -.text -.global _start -.ent _start,0 -.type _start,%function + .text + .align 3 + .globl _start + .ent _start, 0 + .type _start,@function #if defined(__UCLIBC_CTOR_DTOR__) -.type _init,%function -.type _fini,%function + .type _init,%function + .type _fini,%function #else -.weak _init -.weak _fini + .weak _init + .weak _fini #endif -.type __uClibc_main,%function -/* Stick in a dummy reference to main(), so that if an application - * is linking when the main() function is in a static library (.a) - * we can be sure that main() actually gets linked in */ -.type main,%function + .type __uClibc_main,%function _start: .frame $15, 0, $15 @@ -46,35 +61,37 @@ _start: mov 0, $15 .prologue 0 - /* Load address of the user's main function. */ + /* Load address of the user's main function. */ lda a0, main ldl a1, 16(sp) /* get argc */ lda a2, 24(sp) /* get argv */ - /* Load address of our own entry points to .fini and .init. */ + /* Load address of our own entry points to .fini and .init. */ lda a3, _init lda a4, _fini - /* Store address of the shared library termination function. */ + /* Store address of the shared library termination function. */ mov v0, a5 - /* Provide the highest stack address to the user code. */ + /* Provide the highest stack address to the user code. */ stq sp, 0(sp) - /* Call the user's main function, and exit with its value. - * But let the libc call main. */ + /* Call the user's main function, and exit with its value. + But let the libc call main. */ jsr ra, __uClibc_main - /* Die very horribly if exit returns. Call_pal hlt is callable from - * kernel mode only; this will result in an illegal instruction trap. */ + /* Die very horribly if exit returns. Call_pal hlt is callable from + kernel mode only; this will result in an illegal instruction trap. */ call_pal 0 .end _start +/* For ECOFF backwards compatibility. */ +/*weak_alias (_start, __start)*/ + /* Define a symbol for the first piece of initialized data. */ -.data -.global __data_start + .data + .globl __data_start __data_start: -.long 0 -.weak data_start + .weak data_start data_start = __data_start |