diff options
author | Joakim Tjernlund <joakim.tjernlund@transmode.se> | 2005-03-17 17:14:06 +0000 |
---|---|---|
committer | Joakim Tjernlund <joakim.tjernlund@transmode.se> | 2005-03-17 17:14:06 +0000 |
commit | 2331c7f052ef946d357037e694430a2f473e7af5 (patch) | |
tree | 25f311c14b0dfc3d90bfa1cfd0a452f8a7569432 | |
parent | fde774dc47375abbad649b5de91b8e96dcc014a8 (diff) |
General arch cleanup and prepare support for standalone
execution of ldso.
Added new asm for MIPS to be tested.
All arches should retest.
-rw-r--r-- | ldso/ldso/Makefile | 2 | ||||
-rw-r--r-- | ldso/ldso/arm/dl-startup.h | 35 | ||||
-rw-r--r-- | ldso/ldso/arm/dl-sysdep.h | 6 | ||||
-rw-r--r-- | ldso/ldso/cris/dl-startup.h | 25 | ||||
-rw-r--r-- | ldso/ldso/cris/dl-sysdep.h | 4 | ||||
-rw-r--r-- | ldso/ldso/dl-startup.c | 17 | ||||
-rw-r--r-- | ldso/ldso/i386/dl-startup.h | 21 | ||||
-rw-r--r-- | ldso/ldso/i386/dl-sysdep.h | 4 | ||||
-rw-r--r-- | ldso/ldso/ldso.c | 8 | ||||
-rw-r--r-- | ldso/ldso/m68k/dl-sysdep.h | 4 | ||||
-rw-r--r-- | ldso/ldso/mips/dl-startup.h | 143 | ||||
-rw-r--r-- | ldso/ldso/powerpc/dl-startup.h | 23 | ||||
-rw-r--r-- | ldso/ldso/sh/dl-startup.h | 31 | ||||
-rw-r--r-- | ldso/ldso/sh/dl-sysdep.h | 4 | ||||
-rw-r--r-- | ldso/ldso/sparc/dl-startup.h | 16 |
15 files changed, 206 insertions, 137 deletions
diff --git a/ldso/ldso/Makefile b/ldso/ldso/Makefile index 8f58c3c9b..1ba79329d 100644 --- a/ldso/ldso/Makefile +++ b/ldso/ldso/Makefile @@ -73,7 +73,7 @@ XXFLAGS := $(XXFLAGS:-fomit-frame-pointer=) all: $(LDSO_FULLNAME) $(LDSO_FULLNAME): $(OBJS) $(DLINK_OBJS) - $(LD) $(LDFLAGS) -e _dl_boot -soname=$(UCLIBC_LDSO) \ + $(LD) $(LDFLAGS) -soname=$(UCLIBC_LDSO) \ -o $(LDSO_FULLNAME) $(OBJS) $(LIBGCC) $(INSTALL) -d $(TOPDIR)lib $(INSTALL) -m 755 $(LDSO_FULLNAME) $(TOPDIR)lib diff --git a/ldso/ldso/arm/dl-startup.h b/ldso/ldso/arm/dl-startup.h index b9c4ce1bc..cd4a1047b 100644 --- a/ldso/ldso/arm/dl-startup.h +++ b/ldso/ldso/arm/dl-startup.h @@ -4,29 +4,26 @@ * Copyright (C) 2000-2004 by Erik Andersen <andersen@codepoet.org> */ -void* _dl_boot(void); -/* Overrive the default _dl_boot function, and replace it with a bit of asm. - * Then call the real _dl_boot function, which is now named _dl_boot2. */ -asm("" \ -" .text\n" \ -" .globl _dl_boot\n" \ -"_dl_boot:\n" \ -" mov r7, sp\n" \ -" @ldr r0, [sp], #4\n" \ -" mov r0, sp\n" \ -" bl _dl_boot2\n" \ -" mov r6, r0\n" \ -" mov r0, r7\n" \ -" mov pc, r6\n" \ +asm( + " .text\n" + " .globl _start\n" + " .type _start,%function\n" + "_start:\n" + " mov r7, sp\n" + " @ldr r0, [sp], #4\n" + " mov r0, sp\n" + " bl _dl_start\n" + " mov r6, r0\n" + " mov r0, r7\n" + " mov pc, r6\n" + " .size _start,.-_start\n" + " .previous\n" ); -#define DL_BOOT(X) static __attribute_used__ void* _dl_boot2 (X) - - /* Get a pointer to the argv array. On many platforms this can be just * the address if the first argument, on other platforms we need to * do something a little more subtle here. */ -#define GET_ARGV(ARGVP, ARGS) ARGVP = ((unsigned long*) ARGS) +#define GET_ARGV(ARGVP, ARGS) ARGVP = (((unsigned long*)ARGS)+1) /* Handle relocation of the symbols in the dynamic loader. */ static inline @@ -91,5 +88,3 @@ void PERFORM_BOOTSTRAP_RELOC(ELF_RELOC *rpnt, unsigned long *reloc_addr, * done. This routine has to exit the current function, then call the * _dl_elf_main function. */ #define START() return _dl_elf_main; - - diff --git a/ldso/ldso/arm/dl-sysdep.h b/ldso/ldso/arm/dl-sysdep.h index c4089b3e3..30e77a471 100644 --- a/ldso/ldso/arm/dl-sysdep.h +++ b/ldso/ldso/arm/dl-sysdep.h @@ -82,10 +82,10 @@ elf_machine_dynamic (void) static inline Elf32_Addr __attribute__ ((unused)) elf_machine_load_address (void) { - extern void __dl_boot asm ("_dl_boot"); - Elf32_Addr got_addr = (Elf32_Addr) &__dl_boot; + extern void __dl_start asm ("_dl_start"); + Elf32_Addr got_addr = (Elf32_Addr) &__dl_start; Elf32_Addr pcrel_addr; - asm ("adr %0, _dl_boot" : "=r" (pcrel_addr)); + asm ("adr %0, _dl_start" : "=r" (pcrel_addr)); return pcrel_addr - got_addr; } diff --git a/ldso/ldso/cris/dl-startup.h b/ldso/ldso/cris/dl-startup.h index cf8fd353a..afc158517 100644 --- a/ldso/ldso/cris/dl-startup.h +++ b/ldso/ldso/cris/dl-startup.h @@ -6,22 +6,25 @@ * can find argc, argv and auxvt (Auxillary Vector Table). */ asm("" \ " .text\n" \ -" .globl _dl_boot\n" \ -" .type _dl_boot,@function\n" \ -"_dl_boot:\n" \ +" .globl _start\n" \ +" .type _start,@function\n" \ +"_start:\n" \ " move.d $sp,$r10\n" \ " move.d $pc,$r9\n" \ -" add.d _dl_boot2 - ., $r9\n" \ +" add.d _dl_start - ., $r9\n" \ " jsr $r9\n" \ +" moveq 0,$r8\n" \ +" move $r8,$srp\n" \ +" jump $r10\n" \ +" .size _start,.-_start\n" \ +" .previous\n" \ ); -#define DL_BOOT(X) static void __attribute_used__ _dl_boot2 (X) - /* Get a pointer to the argv array. On many platforms this can be just * the address if the first argument, on other platforms we need to * do something a little more subtle here. */ -#define GET_ARGV(ARGVP, ARGS) ARGVP = ((unsigned long *) ARGS) +#define GET_ARGV(ARGVP, ARGS) ARGVP = (((unsigned long *) ARGS)+1) /* Handle relocation of the symbols in the dynamic loader. */ static inline @@ -54,10 +57,4 @@ void PERFORM_BOOTSTRAP_RELOC(ELF_RELOC *rpnt, unsigned long *reloc_addr, /* Transfer control to the user's application, once the dynamic loader is * done. This routine has to exit the current function, then call the * _dl_elf_main function. */ -#define START() __asm__ volatile ("moveq 0,$r8\n\t" \ - "move $r8,$srp\n\t" \ - "move.d %1,$sp\n\t" \ - "jump %0\n\t" \ - : : "r" (_dl_elf_main), "r" (args)) - - +#define START() return _dl_elf_main diff --git a/ldso/ldso/cris/dl-sysdep.h b/ldso/ldso/cris/dl-sysdep.h index 4c2c98a03..4d1ad9656 100644 --- a/ldso/ldso/cris/dl-sysdep.h +++ b/ldso/ldso/cris/dl-sysdep.h @@ -105,8 +105,8 @@ elf_machine_load_address(void) { Elf32_Addr gotaddr_diff; - __asm__ ("sub.d [$r0+_dl_parse:GOT16],$r0,%0\n\t" - "add.d _dl_parse:GOTOFF,%0" : "=r" (gotaddr_diff)); + __asm__ ("sub.d [$r0+_dl_start:GOT16],$r0,%0\n\t" + "add.d _dl_start:GOTOFF,%0" : "=r" (gotaddr_diff)); return gotaddr_diff; } diff --git a/ldso/ldso/dl-startup.c b/ldso/ldso/dl-startup.c index cdf9641b0..09c760f25 100644 --- a/ldso/ldso/dl-startup.c +++ b/ldso/ldso/dl-startup.c @@ -3,6 +3,7 @@ * Program to load an ELF binary on a linux system, and run it * after resolving ELF shared library symbols * + * Copyright (C) 2005 by Joakim Tjernlund * Copyright (C) 2000-2004 by Erik Andersen <andersen@codepoet.org> * Copyright (c) 1994-2000 Eric Youngdale, Peter MacDonald, * David Engel, Hongjiu Lu and Mitch D'Souza @@ -109,7 +110,7 @@ int (*_dl_elf_main) (int, char **, char **); NULL auxvt[0...N] Auxiliary Vector Table elements (mixed types) */ -DL_BOOT(unsigned long args) +static void * __attribute_used__ _dl_start(unsigned long args) { unsigned int argc; char **argv, **envp; @@ -123,11 +124,6 @@ DL_BOOT(unsigned long args) Elf32_auxv_t auxvt[AT_EGID + 1]; Elf32_Dyn *dpnt; int indx; -#if defined(__i386__) - int status = 0; -#endif - - /* WARNING! -- we cannot make _any_ funtion calls until we have * taken care of fixing up our own relocations. Making static @@ -137,9 +133,6 @@ DL_BOOT(unsigned long args) /* First obtain the information on the stack that tells us more about what binary is loaded, where it is loaded, etc, etc */ GET_ARGV(aux_dat, args); -#if defined (__arm__) || defined (__mips__) || defined (__cris__) - aux_dat += 1; -#endif argc = *(aux_dat - 1); argv = (char **) aux_dat; aux_dat += argc; /* Skip over the argv pointers */ @@ -327,12 +320,12 @@ found_got: } } #endif -#if defined(__mips__) +#ifdef PERFORM_BOOTSTRAP_GOT #ifdef __SUPPORT_LD_DEBUG_EARLY__ - SEND_STDERR("About to do MIPS specific GOT bootstrap\n"); + SEND_STDERR("About to do specific GOT bootstrap\n"); #endif /* For MIPS we have to do stuff to the GOT before we do relocations. */ - PERFORM_BOOTSTRAP_GOT(got, tpnt); + PERFORM_BOOTSTRAP_GOT(tpnt); #endif /* OK, now do the relocations. We do not do a lazy binding here, so diff --git a/ldso/ldso/i386/dl-startup.h b/ldso/ldso/i386/dl-startup.h index fd546491e..68a2a6563 100644 --- a/ldso/ldso/i386/dl-startup.h +++ b/ldso/ldso/i386/dl-startup.h @@ -4,8 +4,15 @@ * Copyright (C) 2000-2004 by Erik Andersen <andersen@codepoet.org> */ -/* For x86 we do not need any special setup so go right to _dl_boot() */ -#define DL_BOOT(X) __attribute_used__ void _dl_boot (X) +asm( + " .text\n" + " .globl _start\n" + " .type _start,@function\n" + "_start:\n" + " .set _start,_dl_start\n" + " .size _start,.-_start\n" + " .previous\n" +); /* Get a pointer to the argv array. On many platforms this can be just * the address if the first argument, on other platforms we need to @@ -40,7 +47,9 @@ void PERFORM_BOOTSTRAP_RELOC(ELF_RELOC *rpnt, unsigned long *reloc_addr, /* Transfer control to the user's application, once the dynamic loader is * done. This routine has to exit the current function, then call the * _dl_elf_main function. */ -#define START() \ - __asm__ volatile ("leave\n\t" \ - "jmp *%%eax\n\t" \ - : "=a" (status) : "a" (_dl_elf_main)) +#define START() { \ + int status = 0; \ + __asm__ volatile ("leave\n\t" \ + "jmp *%%eax\n\t" \ + : "=a" (status) : "a" (_dl_elf_main)); \ +} diff --git a/ldso/ldso/i386/dl-sysdep.h b/ldso/ldso/i386/dl-sysdep.h index de0e85faa..a916bb776 100644 --- a/ldso/ldso/i386/dl-sysdep.h +++ b/ldso/ldso/i386/dl-sysdep.h @@ -61,8 +61,8 @@ elf_machine_load_address (void) via the GOT to make sure the compiler initialized %ebx in time. */ extern int _dl_errno; Elf32_Addr addr; - asm ("leal _dl_boot@GOTOFF(%%ebx), %0\n" - "subl _dl_boot@GOT(%%ebx), %0" + asm ("leal _dl_start@GOTOFF(%%ebx), %0\n" + "subl _dl_start@GOT(%%ebx), %0" : "=r" (addr) : "m" (_dl_errno) : "cc"); return addr; } diff --git a/ldso/ldso/ldso.c b/ldso/ldso/ldso.c index c2560a1a2..9713416cd 100644 --- a/ldso/ldso/ldso.c +++ b/ldso/ldso/ldso.c @@ -3,6 +3,7 @@ * Program to load an ELF binary on a linux system, and run it * after resolving ELF shared library symbols * + * Copyright (C) 2005 by Joakim Tjernlund * Copyright (C) 2000-2004 by Erik Andersen <andersen@codepoet.org> * Copyright (c) 1994-2000 Eric Youngdale, Peter MacDonald, * David Engel, Hongjiu Lu and Mitch D'Souza @@ -82,6 +83,8 @@ static void debug_fini (int status, void *arg) } #endif +extern void _start(void); + void _dl_get_ready_to_run(struct elf_resolve *tpnt, unsigned long load_addr, Elf32_auxv_t auxvt[AT_EGID + 1], char **envp, char **argv) @@ -129,6 +132,11 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, unsigned long load_addr, _dl_progname = argv[0]; } + if (_start == (void *) auxvt[AT_ENTRY].a_un.a_fcn) { + _dl_dprintf(2, "Standalone exection is not supported yet\n"); + _dl_exit(1); + } + /* Start to build the tables of the modules that are required for * this beast to run. We start with the basic executable, and then * go from there. Eventually we will run across ourself, and we diff --git a/ldso/ldso/m68k/dl-sysdep.h b/ldso/ldso/m68k/dl-sysdep.h index 382049047..88722ee21 100644 --- a/ldso/ldso/m68k/dl-sysdep.h +++ b/ldso/ldso/m68k/dl-sysdep.h @@ -58,8 +58,8 @@ static inline Elf32_Addr elf_machine_load_address (void) { Elf32_Addr addr; - asm ("lea _dl_boot(%%pc), %0\n\t" - "sub.l _dl_boot@GOT.w(%%a5), %0" + asm ("lea _dl_start(%%pc), %0\n\t" + "sub.l _dl_start@GOT.w(%%a5), %0" : "=a" (addr)); return addr; } diff --git a/ldso/ldso/mips/dl-startup.h b/ldso/ldso/mips/dl-startup.h index a4e8f13f4..b6cfaee1c 100644 --- a/ldso/ldso/mips/dl-startup.h +++ b/ldso/ldso/mips/dl-startup.h @@ -1,54 +1,126 @@ /* Any assmbly language/system dependent hacks needed to setup boot1.c so it * will work as expected and cope with whatever platform specific wierdness is * needed for this architecture. + * Copyright (C) 2005 by Joakim Tjernlund */ -asm("" \ -" .text\n" \ -" .globl _dl_boot\n" \ -"_dl_boot:\n" \ -" .set noreorder\n" \ -" bltzal $0, 0f\n" \ -" nop\n" \ -"0: .cpload $31\n" \ -" .set reorder\n" \ -" la $4, _DYNAMIC\n" \ -" sw $4, -0x7ff0($28)\n" \ -" move $4, $29\n" \ -" la $8, coff\n" \ -" .set noreorder\n" \ -" bltzal $0, coff\n" \ -" nop\n" \ -"coff: subu $8, $31, $8\n" \ -" .set reorder\n" \ -" la $25, _dl_boot2\n" \ -" addu $25, $8\n" \ -" jalr $25\n" \ -" lw $4, 0($29)\n" \ -" la $5, 4($29)\n" \ -" sll $6, $4, 2\n" \ -" addu $6, $6, $5\n" \ -" addu $6, $6, 4\n" \ -" la $7, _dl_elf_main\n" \ -" lw $25, 0($7)\n" \ -" jr $25\n" \ +#if 0 +asm("" + " .text\n" + " .globl _start\n" + " .type _start,@function\n" + "_start:\n" + " .set noreorder\n" + " bltzal $0, 0f\n" + " nop\n" + "0: .cpload $31\n" + " .set reorder\n" + " la $4, _DYNAMIC\n" + " sw $4, -0x7ff0($28)\n" + " move $4, $29\n" + " la $8, coff\n" + " .set noreorder\n" + " bltzal $0, coff\n" + " nop\n" + "coff: subu $8, $31, $8\n" + " .set reorder\n" + " la $25, _dl_start\n" + " addu $25, $8\n" + " jalr $25\n" + " lw $4, 0($29)\n" + " la $5, 4($29)\n" + " sll $6, $4, 2\n" + " addu $6, $6, $5\n" + " addu $6, $6, 4\n" + " la $7, _dl_elf_main\n" + " lw $25, 0($7)\n" + " jr $25\n" + " .size _start,.-_start\n" + " .previous\n" +); +#endif +#if 0 +asm("" + " .text\n" + " .globl _start\n" + " .type _start,@function\n" + "_start:\n" + " .set noreorder\n" + " bltzal $0, 0f\n" + " nop\n" + "0: .cpload $31\n" + " .set reorder\n" + " la $4, _DYNAMIC\n" + " sw $4, -0x7ff0($28)\n" + " move $4, $29\n" + " la $8, coff\n" + " .set noreorder\n" + " bltzal $0, coff\n" + " nop\n" + "coff: subu $8, $31, $8\n" + " .set reorder\n" + " la $25, _dl_start\n" + " addu $25, $8\n" + " jalr $25\n" + " move $17, $2\n" + " lw $4, 0($29)\n" + " la $5, 4($29)\n" + " sll $6, $4, 2\n" + " addu $6, $6, $5\n" + " addu $6, $6, 4\n" + " move $25, $17\n" + " jr $25\n" + " .size _start,.-_start\n" + " .previous\n" +); +#endif +asm("" + " .text\n" + " .globl _start\n" + " .type _start,@function\n" + "_start:\n" + " .set noreorder\n" + " bltzal $0, 0f\n" + " nop\n" + "0: .cpload $31\n" + " .set reorder\n" + " la $4, _DYNAMIC\n" + " sw $4, -0x7ff0($28)\n" + " move $4, $29\n" + " subu $29, 16\n" + " la $8, coff\n" + " .set noreorder\n" + " bltzal $8, coff\n" + "coff: subu $8, $31, $8\n" + " .set reorder\n" + " la $25, _dl_start\n" + " addu $25, $8\n" + " jalr $25\n" + " move $17, $2\n" + " lw $4, 0($29)\n" + " la $5, 4($29)\n" + " sll $6, $4, 2\n" + " addu $6, $6, $5\n" + " addu $6, $6, 4\n" + " move $25, $17\n" + " jr $25\n" + " .size _start,.-_start\n" + " .previous\n" ); - -#define DL_BOOT(X) static void __attribute_used__ _dl_boot2 (X) /* * Get a pointer to the argv array. On many platforms this can be just * the address if the first argument, on other platforms we need to * do something a little more subtle here. */ -#define GET_ARGV(ARGVP, ARGS) ARGVP = ((unsigned long *) ARGS) +#define GET_ARGV(ARGVP, ARGS) ARGVP = (((unsigned long *) ARGS)+1) /* * Here is a macro to perform the GOT relocation. This is only * used when bootstrapping the dynamic loader. */ -#define PERFORM_BOOTSTRAP_GOT(got, tpnt) \ +#define PERFORM_BOOTSTRAP_GOT(tpnt) \ do { \ Elf32_Sym *sym; \ Elf32_Addr i; \ @@ -115,7 +187,4 @@ do { \ * because the stack doesn't get properly restored otherwise. Got look * at boot1_arch.h */ -#define START() - - - +#define START() return _dl_elf_main diff --git a/ldso/ldso/powerpc/dl-startup.h b/ldso/ldso/powerpc/dl-startup.h index 37d3cf0fd..8f67c3610 100644 --- a/ldso/ldso/powerpc/dl-startup.h +++ b/ldso/ldso/powerpc/dl-startup.h @@ -1,29 +1,26 @@ /* Any assmbly language/system dependent hacks needed to setup boot1.c so it * will work as expected and cope with whatever platform specific wierdness is - * needed for this architecture. */ + * needed for this architecture. + * Copyright (C) 2005 by Joakim Tjernlund + */ -/* Overrive the default _dl_boot function, and replace it with a bit of asm. - * Then call the real _dl_boot function, which is now named _dl_boot2. */ asm( " .text\n" - " .globl _dl_boot\n" - " .type _dl_boot,@function\n" - "_dl_boot:\n" - " mr 3,1\n" /* Pass SP to _dl_boot2 in r3 */ - " addi 1,1,-16\n" /* Make room on stack for _dl_boot2 to store LR */ + " .globl _start\n" + " .type _start,@function\n" + "_start:\n" + " mr 3,1\n" /* Pass SP to _dl_start in r3 */ + " addi 1,1,-16\n" /* Make room on stack for _dl_start to store LR */ " li 4,0\n" " stw 4,0(1)\n" /* Clear Stack frame */ - " bl _dl_boot2@local\n" /* Perform relocation */ + " bl _dl_start@local\n" /* Perform relocation */ " addi 1,1,16\n" /* Restore SP */ " mtctr 3\n" /* Load applications entry point */ " bctr\n" /* Jump to entry point */ - " .size _dl_boot,.-_dl_boot\n" + " .size _start,.-_start\n" " .previous\n" ); - -#define DL_BOOT(X) static void* __attribute_used__ _dl_boot2(X) - /* * Get a pointer to the argv array. On many platforms this can be just * the address if the first argument, on other platforms we need to diff --git a/ldso/ldso/sh/dl-startup.h b/ldso/ldso/sh/dl-startup.h index 429c0e6eb..d669b4d2a 100644 --- a/ldso/ldso/sh/dl-startup.h +++ b/ldso/ldso/sh/dl-startup.h @@ -2,24 +2,23 @@ * will work as expected and cope with whatever platform specific wierdness is * needed for this architecture. */ -asm("" \ -" .text\n" \ -" .globl _dl_boot\n" \ -"_dl_boot:\n" \ -" mov r15, r4\n" \ -" mov.l .L_dl_boot2, r0\n" \ -" bsrf r0\n" \ -" add #4, r4\n" \ -".jmp_loc:\n" \ -" jmp @r0\n" \ -" mov #0, r4 !call _start with arg == 0\n" \ -".L_dl_boot2:\n" \ -" .long _dl_boot2-.jmp_loc\n" \ -" .previous\n" \ +asm( + " .globl _start\n" + " .type _start,@function\n" + "_start:\n" + " mov r15, r4\n" + " mov.l .L_dl_start, r0\n" + " bsrf r0\n" + " add #4, r4\n" + ".jmp_loc:\n" + " jmp @r0\n" + " mov #0, r4 !call _start with arg == 0\n" + ".L_dl_start:\n" + " .long _dl_start-.jmp_loc\n" + " .size _start,.-_start\n" + " .previous\n" ); -#define DL_BOOT(X) static void* __attribute_used__ _dl_boot2 (X) - /* * Get a pointer to the argv array. On many platforms this can be just * the address if the first argument, on other platforms we need to diff --git a/ldso/ldso/sh/dl-sysdep.h b/ldso/ldso/sh/dl-sysdep.h index b332cc1ac..0234fb7bf 100644 --- a/ldso/ldso/sh/dl-sysdep.h +++ b/ldso/ldso/sh/dl-sysdep.h @@ -120,8 +120,8 @@ elf_machine_load_address (void) bra 2f\n\ sub r0,r2\n\ .align 2\n\ - 1: .long _dl_boot@GOT\n\ - 3: .long _dl_boot@GOTOFF\n\ + 1: .long _dl_start@GOT\n\ + 3: .long _dl_start@GOTOFF\n\ 2: mov r2,%0" : "=r" (addr) : : "r0", "r1", "r2"); return addr; diff --git a/ldso/ldso/sparc/dl-startup.h b/ldso/ldso/sparc/dl-startup.h index b0d6a4361..ce51aa244 100644 --- a/ldso/ldso/sparc/dl-startup.h +++ b/ldso/ldso/sparc/dl-startup.h @@ -3,9 +3,15 @@ * needed for this architecture. See arm/boot1_arch.h for an example of what * can be done. */ - -#define DL_BOOT(X) __attribute_used__ void _dl_boot (X) - +asm( + " .text\n" + " .globl _start\n" + " .type _start,@function\n" + "_start:\n" + " .set _start,_dl_start\n" + " .size _start,.-_start\n" + " .previous\n" +); /* * Get a pointer to the argv array. On many platforms this can be just @@ -56,7 +62,3 @@ "restore %%g0,%%g0,%%g0\n\t" \ : /*"=r" (status) */ : \ "r" (_dl_elf_main): "g1", "o0", "o1") - - - - |