diff options
Diffstat (limited to 'sysdeps/mips/dl-machine.h')
| -rw-r--r-- | sysdeps/mips/dl-machine.h | 496 |
1 files changed, 290 insertions, 206 deletions
diff --git a/sysdeps/mips/dl-machine.h b/sysdeps/mips/dl-machine.h index ff7d371025..cc7198b60e 100644 --- a/sysdeps/mips/dl-machine.h +++ b/sysdeps/mips/dl-machine.h @@ -24,6 +24,34 @@ #define ELF_MACHINE_NAME "MIPS" #include <assert.h> +#include <entry.h> + +#ifndef ENTRY_POINT +#error ENTRY_POINT needs to be defined for MIPS. +#endif + +#ifndef _RTLD_PROLOGUE +#ifdef __STDC__ +#define _RTLD_PROLOGUE(entry) "\n\t.globl " #entry \ + "\n\t.ent " #entry \ + "\n\t" #entry ":\n\t" +#else +#define _RTLD_PROLOGUE(entry) "\n\t.globl entry\n\t.ent entry\n\t entry:\n\t" +#endif +#endif + +#ifndef _RTLD_EPILOGUE +#ifdef __STDC__ +#define _RTLD_EPILOGUE(entry) "\t.end " #entry "\n" +#else +#define _RTLD_EPILOGUE(entry) "\t.end entry\n" +#endif +#endif + +/* I have no idea what I am doing. */ +#define ELF_MACHINE_RELOC_NOPLT -1 +#define elf_machine_lookup_noplt_p(type) (1) +#define elf_machine_lookup_noexec_p(type) (0) /* Translate a processor specific dynamic tag to the index in l_info array. */ @@ -34,6 +62,18 @@ #define ELF_MACHINE_ALIGN_MASK 0xffff #endif +/* + * MIPS libraries are usually linked to a non-zero base address. We + * subtrace the base address from the address where we map the object + * to. This results in more efficient address space usage. + */ +#if 0 +#define MAP_BASE_ADDR(l) ((l)->l_info[DT_MIPS(BASE_ADDRESS)] ? \ + (l)->l_info[DT_MIPS(BASE_ADDRESS)]->d_un.d_ptr : 0) +#else +#define MAP_BASE_ADDR(l) 0x5ffe0000 +#endif + /* If there is a DT_MIPS_RLD_MAP entry in the dynamic section, fill it in with the run-time address of the r_debug structure */ #define ELF_MACHINE_DEBUG_SETUP(l,r) \ @@ -43,7 +83,7 @@ do { if ((l)->l_info[DT_MIPS (RLD_MAP)]) \ } while (0) /* Return nonzero iff E_MACHINE is compatible with the running host. */ -static inline int +static inline int __attribute__ ((unused)) elf_machine_matches_host (ElfW(Half) e_machine) { switch (e_machine) @@ -56,6 +96,16 @@ elf_machine_matches_host (ElfW(Half) e_machine) } } +/* Return the link-time address of _DYNAMIC. Conveniently, this is the ++ first element of the GOT. This must be inlined in a function which ++ uses global data. */ ++static inline ElfW(Addr) ++elf_machine_dynamic (void) ++{ ++ register ElfW(Addr) gp asm ("$28"); ++ return * (ElfW(Addr) *) (gp - 0x7ff0); ++} ++ static inline ElfW(Addr) * elf_mips_got_from_gpreg (ElfW(Addr) gpreg) { @@ -75,6 +125,16 @@ elf_machine_got (void) } +/* Return the link-time address of _DYNAMIC. Conveniently, this is the + first element of the GOT. This must be inlined in a function which + uses global data. */ +static inline ElfW(Addr) +elf_machine_dynamic (void) +{ + register ElfW(Addr) gp asm ("$28"); + return * (ElfW(Addr) *) (gp - 0x7ff0); +} + /* Return the run-time load address of the shared object. */ static inline ElfW(Addr) elf_machine_load_address (void) @@ -87,7 +147,9 @@ elf_machine_load_address (void) " nop\n" "here: dsubu %0, $31, %0\n" " .set reorder\n" - : "=r" (addr)); + : "=r" (addr) + : /* No inputs */ + : "$31"); #else asm (" .set noreorder\n" " la %0, here\n" @@ -95,7 +157,9 @@ elf_machine_load_address (void) " nop\n" "here: subu %0, $31, %0\n" " .set reorder\n" - : "=r" (addr)); + : "=r" (addr) + : /* No inputs */ + : "$31"); #endif return addr; } @@ -105,7 +169,7 @@ elf_machine_load_address (void) /* Relocate GOT. */ static inline void -elf_machine_got_rel (struct link_map *map) +elf_machine_got_rel (struct link_map *map, int lazy) { ElfW(Addr) *got; ElfW(Sym) *sym; @@ -119,7 +183,7 @@ elf_machine_got_rel (struct link_map *map) const ElfW(Sym) *ref = sym; \ ElfW(Addr) sym_loadaddr; \ sym_loadaddr = _dl_lookup_symbol (strtab + sym->st_name, &ref, scope, \ - map->l_name, DL_LOOKUP_NOPLT); \ + map->l_name, ELF_MACHINE_RELOC_NOPLT);\ (ref)? sym_loadaddr + ref->st_value: 0; \ }) @@ -151,7 +215,7 @@ elf_machine_got_rel (struct link_map *map) { if (ELFW(ST_TYPE) (sym->st_info) == STT_FUNC) { - if (sym->st_value /* && maybe_stub (sym->st_value) */) + if (sym->st_value && lazy) *got = sym->st_value + map->l_addr; else *got = RESOLVE_GOTSYM (sym); @@ -163,7 +227,7 @@ elf_machine_got_rel (struct link_map *map) *got = RESOLVE_GOTSYM (sym); else if (ELFW(ST_TYPE) (sym->st_info) == STT_FUNC && *got != sym->st_value - /* && maybe_stub (*got) */) + && lazy) *got += map->l_addr; else if (ELFW(ST_TYPE) (sym->st_info) == STT_SECTION) { @@ -193,6 +257,11 @@ elf_machine_runtime_setup (struct link_map *l, int lazy) extern void _dl_runtime_resolve (ElfW(Word)); extern int _dl_mips_gnu_objects; +#ifdef RTLD_BOOTSTRAP + { + return lazy; + } +#endif if (lazy) { /* The GOT entries for functions have not yet been filled in. @@ -216,7 +285,7 @@ elf_machine_runtime_setup (struct link_map *l, int lazy) } /* Relocate global offset table. */ - elf_machine_got_rel (l); + elf_machine_got_rel (l, lazy); return lazy; } @@ -282,6 +351,7 @@ elf_machine_runtime_link_map (ElfW(Addr) gpreg, ElfW(Addr) stub_pc) } _dl_signal_error (0, NULL, "cannot find runtime link map"); + return NULL; } /* Mips has no PLT but define elf_machine_relplt to be elf_machine_rel. */ @@ -295,211 +365,220 @@ elf_machine_runtime_link_map (ElfW(Addr) gpreg, ElfW(Addr) stub_pc) to usual c arguments. */ #ifdef __mips64 -#define ELF_MACHINE_RUNTIME_TRAMPOLINE \ -/* The flag _dl_mips_gnu_objects is set if all dynamic objects are \ - generated by the gnu linker. */\ -int _dl_mips_gnu_objects = 1;\ -\ +#define ELF_MACHINE_RUNTIME_TRAMPOLINE \ +/* The flag _dl_mips_gnu_objects is set if all dynamic objects are \ + generated by the gnu linker. */ \ +int _dl_mips_gnu_objects = 1; \ + \ /* This is called from assembly stubs below which the compiler can't see. */ \ -static ElfW(Addr) \ -__dl_runtime_resolve (ElfW(Word), ElfW(Word), ElfW(Addr), ElfW(Addr)) \ - __attribute__ ((unused)); \ -\ -static ElfW(Addr) \ -__dl_runtime_resolve (ElfW(Word) sym_index,\ - ElfW(Word) return_address,\ - ElfW(Addr) old_gpreg,\ - ElfW(Addr) stub_pc)\ -{\ - struct link_map *l = elf_machine_runtime_link_map (old_gpreg, stub_pc);\ - const ElfW(Sym) *const symtab\ - = (const ElfW(Sym) *) (l->l_addr + l->l_info[DT_SYMTAB]->d_un.d_ptr);\ - const char *strtab\ - = (void *) (l->l_addr + l->l_info[DT_STRTAB]->d_un.d_ptr);\ - const ElfW(Addr) *got\ - = (const ElfW(Addr) *) (l->l_addr + l->l_info[DT_PLTGOT]->d_un.d_ptr);\ - const ElfW(Word) local_gotno\ - = (const ElfW(Word)) l->l_info[DT_MIPS (LOCAL_GOTNO)]->d_un.d_val;\ - const ElfW(Word) gotsym\ - = (const ElfW(Word)) l->l_info[DT_MIPS (GOTSYM)]->d_un.d_val;\ - const ElfW(Sym) *definer;\ - ElfW(Addr) loadbase;\ - ElfW(Addr) funcaddr;\ - struct link_map **scope;\ -\ - /* Look up the symbol's run-time value. */\ - scope = _dl_object_relocation_scope (l);\ - definer = &symtab[sym_index];\ -\ - loadbase = _dl_lookup_symbol (strtab + definer->st_name, &definer,\ - scope, l->l_name, DL_LOOKUP_NOPLT);\ -\ - *_dl_global_scope_end = NULL;\ -\ - /* Apply the relocation with that value. */\ - funcaddr = loadbase + definer->st_value;\ - *(got + local_gotno + sym_index - gotsym) = funcaddr;\ -\ - return funcaddr;\ -}\ -\ -asm ("\n\ - .text\n\ - .align 3\n\ - .globl _dl_runtime_resolve\n\ - .type _dl_runtime_resolve,@function\n\ - .ent _dl_runtime_resolve\n\ -_dl_runtime_resolve:\n\ - .set noreorder\n\ - # Save old GP to $3.\n\ - move $3,$28\n\ - # Modify t9 ($25) so as to point .cpload instruction.\n\ - daddu $25,2*8\n\ - # Compute GP.\n\ - .cpload $25\n\ - .set reorder\n\ - # Save slot call pc.\n\ - move $2, $31\n\ - # Save arguments and sp value in stack.\n\ - dsubu $29, 10*8\n\ - .cprestore 8*8\n\ - sd $15, 9*8($29)\n\ - sd $4, 3*8($29)\n\ - sd $5, 4*8($29)\n\ - sd $6, 5*8($29)\n\ - sd $7, 6*8($29)\n\ - sd $16, 7*8($29)\n\ - move $16, $29\n\ - move $4, $24\n\ - move $5, $15\n\ - move $6, $3\n\ - move $7, $2\n\ - jal __dl_runtime_resolve\n\ - move $29, $16\n\ - ld $31, 9*8($29)\n\ - ld $4, 3*8($29)\n\ - ld $5, 4*8($29)\n\ - ld $6, 5*8($29)\n\ - ld $7, 6*8($29)\n\ - ld $16, 7*8($29)\n\ - daddu $29, 10*8\n\ - move $25, $2\n\ - jr $25\n\ - .end _dl_runtime_resolve\n\ +static ElfW(Addr) \ +__dl_runtime_resolve (ElfW(Word), ElfW(Word), ElfW(Addr), ElfW(Addr)) \ + __attribute__ ((unused)); \ + \ +static ElfW(Addr) \ +__dl_runtime_resolve (ElfW(Word) sym_index, \ + ElfW(Word) return_address, \ + ElfW(Addr) old_gpreg, \ + ElfW(Addr) stub_pc) \ +{ \ + struct link_map *l = elf_machine_runtime_link_map (old_gpreg, stub_pc); \ + const ElfW(Sym) *const symtab \ + = (const ElfW(Sym) *) (l->l_addr + l->l_info[DT_SYMTAB]->d_un.d_ptr); \ + const char *strtab \ + = (void *) (l->l_addr + l->l_info[DT_STRTAB]->d_un.d_ptr); \ + const ElfW(Addr) *got \ + = (const ElfW(Addr) *) (l->l_addr + l->l_info[DT_PLTGOT]->d_un.d_ptr); \ + const ElfW(Word) local_gotno \ + = (const ElfW(Word)) l->l_info[DT_MIPS (LOCAL_GOTNO)]->d_un.d_val; \ + const ElfW(Word) gotsym \ + = (const ElfW(Word)) l->l_info[DT_MIPS (GOTSYM)]->d_un.d_val; \ + const ElfW(Sym) *definer; \ + ElfW(Addr) loadbase; \ + ElfW(Addr) funcaddr; \ + struct link_map **scope; \ + \ + /* Look up the symbol's run-time value. */ \ + scope = _dl_object_relocation_scope (l); \ + definer = &symtab[sym_index]; \ + \ + loadbase = _dl_lookup_symbol (strtab + definer->st_name, &definer, \ + scope, l->l_name, ELF_MACHINE_RELOC_NOPLT); \ + \ + *_dl_global_scope_end = NULL; \ + \ + /* Apply the relocation with that value. */ \ + funcaddr = loadbase + definer->st_value; \ + *(got + local_gotno + sym_index - gotsym) = funcaddr; \ + \ + return funcaddr; \ +} \ + \ +asm ("\n \ + .text\n \ + .align 3\n \ + .globl _dl_runtime_resolve\n \ + .type _dl_runtime_resolve,@function\n \ + .ent _dl_runtime_resolve\n \ +_dl_runtime_resolve:\n \ + .set noreorder\n \ + # Save old GP to $3.\n \ + move $3,$28\n \ + # Modify t9 ($25) so as to point .cpload instruction.\n \ + daddu $25,2*8\n \ + # Compute GP.\n \ + .cpload $25\n \ + .set reorder\n \ + # Save slot call pc.\n \ + move $2, $31\n \ + # Save arguments and sp value in stack.\n \ + dsubu $29, 10*8\n \ + .cprestore 8*8\n \ + sd $15, 9*8($29)\n \ + sd $4, 3*8($29)\n \ + sd $5, 4*8($29)\n \ + sd $6, 5*8($29)\n \ + sd $7, 6*8($29)\n \ + sd $16, 7*8($29)\n \ + move $16, $29\n \ + move $4, $24\n \ + move $5, $15\n \ + move $6, $3\n \ + move $7, $2\n \ + jal __dl_runtime_resolve\n \ + move $29, $16\n \ + ld $31, 9*8($29)\n \ + ld $4, 3*8($29)\n \ + ld $5, 4*8($29)\n \ + ld $6, 5*8($29)\n \ + ld $7, 6*8($29)\n \ + ld $16, 7*8($29)\n \ + daddu $29, 10*8\n \ + move $25, $2\n \ + jr $25\n \ + .end _dl_runtime_resolve\n \ "); #else -#define ELF_MACHINE_RUNTIME_TRAMPOLINE \ -/* The flag _dl_mips_gnu_objects is set if all dynamic objects are \ - generated by the gnu linker. */\ -int _dl_mips_gnu_objects = 1;\ -\ +#define ELF_MACHINE_RUNTIME_TRAMPOLINE \ +/* The flag _dl_mips_gnu_objects is set if all dynamic objects are \ + generated by the gnu linker. */ \ +int _dl_mips_gnu_objects = 1; \ + \ /* This is called from assembly stubs below which the compiler can't see. */ \ -static ElfW(Addr) \ -__dl_runtime_resolve (ElfW(Word), ElfW(Word), ElfW(Addr), ElfW(Addr)) \ - __attribute__ ((unused)); \ -\ -static ElfW(Addr) \ -__dl_runtime_resolve (ElfW(Word) sym_index,\ - ElfW(Word) return_address,\ - ElfW(Addr) old_gpreg,\ - ElfW(Addr) stub_pc)\ -{\ - struct link_map *l = elf_machine_runtime_link_map (old_gpreg, stub_pc);\ - const ElfW(Sym) *const symtab\ - = (const ElfW(Sym) *) (l->l_addr + l->l_info[DT_SYMTAB]->d_un.d_ptr);\ - const char *strtab\ - = (void *) (l->l_addr + l->l_info[DT_STRTAB]->d_un.d_ptr);\ - const ElfW(Addr) *got\ - = (const ElfW(Addr) *) (l->l_addr + l->l_info[DT_PLTGOT]->d_un.d_ptr);\ - const ElfW(Word) local_gotno\ - = (const ElfW(Word)) l->l_info[DT_MIPS (LOCAL_GOTNO)]->d_un.d_val;\ - const ElfW(Word) gotsym\ - = (const ElfW(Word)) l->l_info[DT_MIPS (GOTSYM)]->d_un.d_val;\ - const ElfW(Sym) *definer;\ - ElfW(Addr) loadbase;\ - ElfW(Addr) funcaddr;\ - struct link_map **scope;\ -\ - /* Look up the symbol's run-time value. */\ - scope = _dl_object_relocation_scope (l);\ - definer = &symtab[sym_index];\ -\ - loadbase = _dl_lookup_symbol (strtab + definer->st_name, &definer,\ - scope, l->l_name, DL_LOOKUP_NOPLT);\ -\ - *_dl_global_scope_end = NULL;\ -\ - /* Apply the relocation with that value. */\ - funcaddr = loadbase + definer->st_value;\ - *(got + local_gotno + sym_index - gotsym) = funcaddr;\ -\ - return funcaddr;\ -}\ -\ -asm ("\n\ - .text\n\ - .align 2\n\ - .globl _dl_runtime_resolve\n\ - .type _dl_runtime_resolve,@function\n\ - .ent _dl_runtime_resolve\n\ -_dl_runtime_resolve:\n\ - .set noreorder\n\ - # Save old GP to $3.\n\ - move $3,$28\n\ - # Modify t9 ($25) so as to point .cpload instruction.\n\ - addu $25,8\n\ - # Compute GP.\n\ - .cpload $25\n\ - .set reorder\n\ - # Save slot call pc.\n\ - move $2, $31\n\ - # Save arguments and sp value in stack.\n\ - subu $29, 40\n\ - .cprestore 32\n\ - sw $15, 36($29)\n\ - sw $4, 12($29)\n\ - sw $5, 16($29)\n\ - sw $6, 20($29)\n\ - sw $7, 24($29)\n\ - sw $16, 28($29)\n\ - move $16, $29\n\ - move $4, $24\n\ - move $5, $15\n\ - move $6, $3\n\ - move $7, $2\n\ - jal __dl_runtime_resolve\n\ - move $29, $16\n\ - lw $31, 36($29)\n\ - lw $4, 12($29)\n\ - lw $5, 16($29)\n\ - lw $6, 20($29)\n\ - lw $7, 24($29)\n\ - lw $16, 28($29)\n\ - addu $29, 40\n\ - move $25, $2\n\ - jr $25\n\ - .end _dl_runtime_resolve\n\ +static ElfW(Addr) \ +__dl_runtime_resolve (ElfW(Word), ElfW(Word), ElfW(Addr), ElfW(Addr)) \ + __attribute__ ((unused)); \ + \ +static ElfW(Addr) \ +__dl_runtime_resolve (ElfW(Word) sym_index, \ + ElfW(Word) return_address, \ + ElfW(Addr) old_gpreg, \ + ElfW(Addr) stub_pc) \ +{ \ + struct link_map *l = elf_machine_runtime_link_map (old_gpreg, stub_pc); \ + const ElfW(Sym) *const symtab \ + = (const ElfW(Sym) *) (l->l_addr + l->l_info[DT_SYMTAB]->d_un.d_ptr); \ + const char *strtab \ + = (void *) (l->l_addr + l->l_info[DT_STRTAB]->d_un.d_ptr); \ + const ElfW(Addr) *got \ + = (const ElfW(Addr) *) (l->l_addr + l->l_info[DT_PLTGOT]->d_un.d_ptr); \ + const ElfW(Word) local_gotno \ + = (const ElfW(Word)) l->l_info[DT_MIPS (LOCAL_GOTNO)]->d_un.d_val; \ + const ElfW(Word) gotsym \ + = (const ElfW(Word)) l->l_info[DT_MIPS (GOTSYM)]->d_un.d_val; \ + const ElfW(Sym) *definer; \ + ElfW(Addr) loadbase; \ + ElfW(Addr) funcaddr; \ + struct link_map **scope; \ + \ + /* Look up the symbol's run-time value. */ \ + scope = _dl_object_relocation_scope (l); \ + definer = &symtab[sym_index]; \ + \ + loadbase = _dl_lookup_symbol (strtab + definer->st_name, &definer, \ + scope, l->l_name, ELF_MACHINE_RELOC_NOPLT); \ + \ + *_dl_global_scope_end = NULL; \ + \ + /* Apply the relocation with that value. */ \ + funcaddr = loadbase + definer->st_value; \ + *(got + local_gotno + sym_index - gotsym) = funcaddr; \ + \ + return funcaddr; \ +} \ + \ +asm ("\n \ + .text\n \ + .align 2\n \ + .globl _dl_runtime_resolve\n \ + .type _dl_runtime_resolve,@function\n \ + .ent _dl_runtime_resolve\n \ +_dl_runtime_resolve:\n \ + .set noreorder\n \ + # Save slot call pc.\n \ + move $3, $31\n \ + # Modify t9 ($25) so as to point .cpload instruction.\n \ + addu $25,8\n \ + # Compute GP.\n \ + .cpload $25\n \ + .set reorder\n \ + # Save slot call pc.\n \ + move $2, $31\n \ + # Save arguments and sp value in stack.\n \ + subu $29, 40\n \ + .cprestore 32\n \ + sw $15, 36($29)\n \ + sw $4, 12($29)\n \ + sw $5, 16($29)\n \ + sw $6, 20($29)\n \ + sw $7, 24($29)\n \ + sw $16, 28($29)\n \ + move $16, $29\n \ + move $4, $24\n \ + move $5, $15\n \ + move $6, $3\n \ + move $7, $2\n \ + jal __dl_runtime_resolve\n \ + move $29, $16\n \ + lw $31, 36($29)\n \ + lw $4, 12($29)\n \ + lw $5, 16($29)\n \ + lw $6, 20($29)\n \ + lw $7, 24($29)\n \ + lw $16, 28($29)\n \ + addu $29, 40\n \ + move $25, $2\n \ + jr $25\n \ + .end _dl_runtime_resolve\n \ "); #endif /* Mask identifying addresses reserved for the user program, where the dynamic linker should not map anything. */ -#define ELF_MACHINE_USER_ADDRESS_MASK 0x00000000UL +#define ELF_MACHINE_USER_ADDRESS_MASK 0x80000000UL /* Initial entry point code for the dynamic linker. The C function `_dl_start' is the real entry point; - its return value is the user program's entry point. */ + its return value is the user program's entry point. + Note how we have to be careful about two things: + + 1) That we allocate a minimal stack of 24 bytes for + every function call, the MIPS ABI states that even + if all arguments are passed in registers the procedure + called can use the 16 byte area pointed to by $sp + when it is called to store away the arguments passed + to it. + + 2) That under Linux the entry is named __start + and not just plain _start. */ #ifdef __mips64 #define RTLD_START asm ("\ .text\n\ - .align 3\n\ - .globl _start\n\ - .globl _dl_start_user\n\ - .ent _start\n\ -_start:\n\ + .align 3\n"\ +_RTLD_PROLOGUE (ENTRY_POINT)\ +" .globl _dl_start_user\n\ .set noreorder\n\ bltzal $0, 0f\n\ nop\n\ @@ -561,16 +640,15 @@ _dl_start_user:\n\ ld $5, 1*8($29)\n\ ld $6, 2*8$29)\n\ ld $7, 3*8($29)\n\ - jr $25\n\ - .end _start\n\ -"); + jr $25\n"\ +_RTLD_EPILOGUE(ENTRY_POINT) \ +); + #else #define RTLD_START asm ("\ - .text\n\ - .globl _start\n\ - .globl _dl_start_user\n\ - .ent _start\n\ -_start:\n\ + .text\n"\ +_RTLD_PROLOGUE(ENTRY_POINT)\ +" .globl _dl_start_user\n\ .set noreorder\n\ bltzal $0, 0f\n\ nop\n\ @@ -582,7 +660,9 @@ _start:\n\ la $4, _DYNAMIC\n\ sw $4, -0x7ff0($28)\n\ move $4, $29\n\ + subu $29, 16\n\ jal _dl_start\n\ + addiu $29, 16\n\ # Get the value of label '_dl_start_user' in t9 ($25).\n\ la $25, _dl_start_user\n\ _dl_start_user:\n\ @@ -610,7 +690,9 @@ _dl_start_user:\n\ lw $4, 8($2)\n\ # Call _dl_init_next to return the address of an initializer\n\ # function to run.\n\ + subu $29, 16\n\ jal _dl_init_next\n\ + addiu $29, 16\n\ move $28, $16\n\ # Check for zero return, when out of initializers.\n\ beq $2, $0, 2f\n\ @@ -624,16 +706,18 @@ _dl_start_user:\n\ move $28, $16\n\ # Loop to call _dl_init_next for the next initializer.\n\ b 1b\n\ +2: # Clear the startup flag. Assumes 32 bit ints.\n\ + sw $0, _dl_starting_up\n\ # Pass our finalizer function to the user in ra.\n\ -2: la $31, _dl_fini\n\ + la $31, _dl_fini\n\ # Jump to the user entry point.\n\ move $25, $17\n\ lw $4, 0($29)\n\ lw $5, 4($29)\n\ lw $6, 8($29)\n\ lw $7, 12($29)\n\ - jr $25\n\ - .end _start\n\ + jr $25\n"\ +_RTLD_EPILOGUE(ENTRY_POINT)\ "); #endif |