diff options
Diffstat (limited to 'sysdeps/mips/elf/start.S')
| -rw-r--r-- | sysdeps/mips/elf/start.S | 55 |
1 files changed, 17 insertions, 38 deletions
diff --git a/sysdeps/mips/elf/start.S b/sysdeps/mips/elf/start.S index 355a4a905c..ce9ad9c7ec 100644 --- a/sysdeps/mips/elf/start.S +++ b/sysdeps/mips/elf/start.S @@ -17,6 +17,12 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#include <entry.h> + +#ifndef ENTRY_POINT +#error ENTRY_POINT needs to be defined for start.S on MIPS/ELF. +#endif + /* This is the canonical entry point, usually the first thing in the text segment. The SVR4/Mips ABI (pages 3-31, 3-32) says that when the entry point runs, most registers' values are unspecified, except for: @@ -53,8 +59,8 @@ #endif .text - .globl _start -_start: + .globl ENTRY_POINT +ENTRY_POINT: #ifdef PIC SET_GP #endif @@ -81,20 +87,9 @@ nofini: the prologue of __libc_init_first, we preload them to prevent clobbering the stack tops. In Hurd case, stack pointer ($29) may be VM_MAX_ADDRESS here. If so, we must modify it. */ -#if (__mips64) - dli $4, 0x10000000000 - bne $29, $4, 1f - dsubu $29, 32 - sd $0, 0($29) - sd $0, 8($29) - sd $0, 16($29) - sd $0, 24($29) -1: - ld $4, 0($29) - ld $5, 8($29) - ld $6, 16($29) - ld $7, 24($29) -#else /* __mips64 */ +#if 0 + jal mach_host_self +#endif li $4, 0x80000000 bne $29, $4, 1f subu $29, 16 @@ -107,23 +102,14 @@ nofini: lw $5, 4($29) lw $6, 8($29) lw $7, 12($29) -#endif /* __mips64 */ - jal __libc_init_first #ifdef PIC SET_GP #endif -#if (__mips64) - ld $4, 0($29) - ld $5, 8($29) - ld $6, 16($29) - ld $7, 24($29) -#else /* __mips64 */ lw $4, 0($29) lw $5, 4($29) lw $6, 8($29) lw $7, 12($29) -#endif /* __mips64 */ /* Call `_init', which is the entry point to our own `.init' section; and register with `atexit' to have `exit' call @@ -145,19 +131,11 @@ nofini: /* Extract the arguments and environment as encoded on the stack and set up the arguments for `main': argc, argv, envp. */ -#if (__mips64) - ld $4, 0($29) /* argc */ - daddu $5, $29, 8 /* argv */ - dsll $6, $4, 3 - daddu $6, $6, 8 - daddu $6, $5, $6 /* envp = &argv[argc + 1] */ -#else /* __mips64 */ lw $4, 0($29) /* argc */ addu $5, $29, 4 /* argv */ sll $6, $4, 2 addu $6, $6, 4 addu $6, $5, $6 /* envp = &argv[argc + 1] */ -#endif /* __mips64 */ /* Call the user's main function, and exit with its value. */ jal main @@ -172,10 +150,11 @@ hlt: b hlt /* Crash if somehow it does return. */ .data .globl __data_start __data_start: -#if (__mips64) - .dword 0 -#else /* __mips64 */ - .word 0 -#endif /* __mips64 */ + .long 0 .weak data_start data_start = __data_start + + .comm errno, 4, 4 +#ifdef __ELF__ + .type errno, @object +#endif |