From 709c1793f5f5153f5b6ef0ca454ab7e2a6769415 Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Tue, 3 Jul 2001 22:15:31 +0000 Subject: Finish up merging the arm port into the main tree. --- ldso/ldso/arm/boot1_arch.h | 31 ++++++++++++++++++++++++++++ ldso/ldso/arm/dl-startup.h | 31 ++++++++++++++++++++++++++++ ldso/ldso/boot1.c | 49 +++++++++++++++++++++++--------------------- ldso/ldso/i386/boot1_arch.h | 7 +++++++ ldso/ldso/i386/dl-startup.h | 7 +++++++ ldso/ldso/ld-uClibc.c | 49 +++++++++++++++++++++++--------------------- ldso/ldso/ldso.c | 49 +++++++++++++++++++++++--------------------- ldso/ldso/m68k/boot1_arch.h | 7 +++++++ ldso/ldso/m68k/dl-startup.h | 7 +++++++ ldso/ldso/sparc/boot1_arch.h | 7 +++++++ ldso/ldso/sparc/dl-startup.h | 7 +++++++ 11 files changed, 182 insertions(+), 69 deletions(-) create mode 100644 ldso/ldso/arm/boot1_arch.h create mode 100644 ldso/ldso/arm/dl-startup.h create mode 100644 ldso/ldso/i386/boot1_arch.h create mode 100644 ldso/ldso/i386/dl-startup.h create mode 100644 ldso/ldso/m68k/boot1_arch.h create mode 100644 ldso/ldso/m68k/dl-startup.h create mode 100644 ldso/ldso/sparc/boot1_arch.h create mode 100644 ldso/ldso/sparc/dl-startup.h (limited to 'ldso') diff --git a/ldso/ldso/arm/boot1_arch.h b/ldso/ldso/arm/boot1_arch.h new file mode 100644 index 000000000..dc21ea455 --- /dev/null +++ b/ldso/ldso/arm/boot1_arch.h @@ -0,0 +1,31 @@ +/* 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. */ + +/* 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 +.globl _dl_boot +_dl_boot: + mov r7, sp +@ ldr r0, [sp], #4 + mov r0,sp + bl _dl_boot2 + mov r6, r0 + mov r0, r7 + mov pc, r6 +.previous\n\ +"); + +#define _dl_boot _dl_boot2 +#define DL_BOOT(X) static void * __attribute__ ((unused)) _dl_boot (X) + + + /* It seems ARM needs an offset here */ +#undef ELFMAGIC +#define ELFMAGIC ELFMAG+load_addr + + + diff --git a/ldso/ldso/arm/dl-startup.h b/ldso/ldso/arm/dl-startup.h new file mode 100644 index 000000000..dc21ea455 --- /dev/null +++ b/ldso/ldso/arm/dl-startup.h @@ -0,0 +1,31 @@ +/* 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. */ + +/* 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 +.globl _dl_boot +_dl_boot: + mov r7, sp +@ ldr r0, [sp], #4 + mov r0,sp + bl _dl_boot2 + mov r6, r0 + mov r0, r7 + mov pc, r6 +.previous\n\ +"); + +#define _dl_boot _dl_boot2 +#define DL_BOOT(X) static void * __attribute__ ((unused)) _dl_boot (X) + + + /* It seems ARM needs an offset here */ +#undef ELFMAGIC +#define ELFMAGIC ELFMAG+load_addr + + + diff --git a/ldso/ldso/boot1.c b/ldso/ldso/boot1.c index a96562f19..9e11cee10 100644 --- a/ldso/ldso/boot1.c +++ b/ldso/ldso/boot1.c @@ -103,6 +103,9 @@ #define ALLOW_ZERO_PLTGOT +/* Some arches may need to override this in boot1_arch.h */ +#define ELFMAGIC ELFMAG + /* This is a poor man's malloc, used prior to resolving our internal poor man's malloc */ #define DL_MALLOC(SIZE) ((void *) (malloc_buffer += SIZE, malloc_buffer - SIZE)) ; REALIGN(); /* @@ -132,6 +135,8 @@ int _dl_fixup(struct elf_resolve *tpnt); void _dl_debug_state(void); char *_dl_get_last_path_component(char *path); +#include "boot1_arch.h" + /* When we enter this piece of code, the program stack looks like this: argc argument counter (integer) @@ -143,12 +148,11 @@ char *_dl_get_last_path_component(char *path); NULL auxv_t[0...N] Auxiliary Vector Table elements (mixed types) */ -void _dl_boot(unsigned int args) + +DL_BOOT(unsigned long args) { unsigned int argc; char **argv, **envp; - int status; - unsigned long load_addr; unsigned long *got; unsigned long *aux_dat; @@ -168,6 +172,7 @@ void _dl_boot(unsigned int args) unsigned long *chains; int indx; int _dl_secure; + int status; /* WARNING! -- we cannot make _any_ funtion calls until we have @@ -177,9 +182,12 @@ void _dl_boot(unsigned int 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); + GET_ARGV(aux_dat,args); +#if defined(__arm__) + aux_dat+=1; +#endif argc = *(aux_dat - 1); - argv = (char **) aux_dat; + argv = (char **) aux_dat; aux_dat += argc; /* Skip over the argv pointers */ aux_dat++; /* Skip over NULL at end of argv */ envp = (char **) aux_dat; @@ -187,7 +195,7 @@ void _dl_boot(unsigned int args) aux_dat++; /* Skip over the envp pointers */ aux_dat++; /* Skip over NULL at end of envp */ - /* Place -1 here as a checkpoint. We check later to see if it was changed + /* Place -1 here as a checkpoint. We later check if it was changed * when we read in the auxv_t */ auxv_t[AT_UID].a_type = -1; @@ -199,7 +207,8 @@ void _dl_boot(unsigned int args) Elf32_auxv_t *auxv_entry = (Elf32_auxv_t*) aux_dat; if (auxv_entry->a_type <= AT_EGID) { - _dl_memcpy_inline(&(auxv_t[auxv_entry->a_type]), auxv_entry, sizeof(Elf32_auxv_t)); + _dl_memcpy_inline(&(auxv_t[auxv_entry->a_type]), + auxv_entry, sizeof(Elf32_auxv_t)); } aux_dat += 2; } @@ -208,13 +217,13 @@ void _dl_boot(unsigned int args) * (esp since SEND_STDERR() needs this on some platforms... */ load_addr = auxv_t[AT_BASE].a_un.a_val; header = (elfhdr *) auxv_t[AT_BASE].a_un.a_ptr; - - /* check the ELF header to make sure everything looks ok. */ + + /* Check the ELF header to make sure everything looks ok. */ if (! header || header->e_ident[EI_CLASS] != ELFCLASS32 || header->e_ident[EI_VERSION] != EV_CURRENT || - _dl_strncmp_inline((void *)header, ELFMAG, SELFMAG) != 0) + _dl_strncmp_inline((void *)header, ELFMAGIC, SELFMAG) != 0) { - SEND_STDERR("invalid ELF header\n"); + SEND_STDERR("Invalid ELF header\n"); _dl_exit(0); } #ifdef DL_DEBUG @@ -222,16 +231,19 @@ void _dl_boot(unsigned int args) SEND_ADDRESS_STDERR(load_addr, 1); #endif + /* Locate the global offset table. Since this code must be PIC * we can take advantage of the magic offset register, if we * happen to know what that is for this architecture. If not, - * we can always read stuff out of the ELF file to fine it... */ + * we can always read stuff out of the ELF file to find it... */ #if defined(__i386__) __asm__("\tmovl %%ebx,%0\n\t" : "=a" (got)); #elif defined(__m68k__) __asm__ ("movel %%a5,%0" : "=g" (got)) #elif defined(__sparc__) __asm__("\tmov %%l7,%0\n\t" : "=r" (got)) +#elif defined(__arm__) + __asm__("\tmov %0, r10\n\t" : "=r"(got)); #else /* Do things the slow way in C */ { @@ -786,7 +798,6 @@ found_got: #ifdef USE_CACHE _dl_unmap_cache(); #endif - /* ldd uses uses this. I am not sure how you pick up the other flags */ if (_dl_trace_loaded_objects) { _dl_warn = _dl_getenv("LD_WARN", envp); @@ -833,8 +844,6 @@ found_got: * Now we go through and look for REL and RELA records that indicate fixups * to the GOT tables. We need to do this in reverse order so that COPY * directives work correctly */ - - goof = _dl_loaded_modules ? _dl_fixup(_dl_loaded_modules) : 0; @@ -842,10 +851,8 @@ found_got: and we have to manually search for entries that require fixups. Solaris gets this one right, from what I understand. */ - if (_dl_symbol_tables) goof += _dl_copy_fixups(_dl_symbol_tables); - if (goof || _dl_trace_loaded_objects) _dl_exit(0); @@ -865,7 +872,6 @@ found_got: if (_dl_envp) *_dl_envp = (unsigned long) envp; - { int i; elf_phdr *ppnt; @@ -940,6 +946,7 @@ found_got: /* * Transfer control to the application. */ + status = 0; /* Used on x86, but not on other arches */ START(); } @@ -956,10 +963,9 @@ void _dl_debug_state() int _dl_fixup(struct elf_resolve *tpnt) { int goof = 0; - + if (tpnt->next) goof += _dl_fixup(tpnt->next); - if (tpnt->dynamic_info[DT_REL]) { #ifdef ELF_USES_RELOCA _dl_fdprintf(2, "%s: can't handle REL relocation records\n", @@ -969,7 +975,6 @@ int _dl_fixup(struct elf_resolve *tpnt) if (tpnt->init_flag & RELOCS_DONE) return goof; tpnt->init_flag |= RELOCS_DONE; - goof += _dl_parse_relocation_information(tpnt, tpnt->dynamic_info[DT_REL], tpnt->dynamic_info[DT_RELSZ], 0); #endif @@ -979,7 +984,6 @@ int _dl_fixup(struct elf_resolve *tpnt) if (tpnt->init_flag & RELOCS_DONE) return goof; tpnt->init_flag |= RELOCS_DONE; - goof += _dl_parse_relocation_information(tpnt, tpnt->dynamic_info[DT_RELA], tpnt->dynamic_info[DT_RELASZ], 0); #else @@ -992,7 +996,6 @@ int _dl_fixup(struct elf_resolve *tpnt) if (tpnt->init_flag & JMP_RELOCS_DONE) return goof; tpnt->init_flag |= JMP_RELOCS_DONE; - if (!_dl_not_lazy || *_dl_not_lazy == 0) _dl_parse_lazy_relocation_information(tpnt, tpnt->dynamic_info[DT_JMPREL], tpnt->dynamic_info[DT_PLTRELSZ], 0); diff --git a/ldso/ldso/i386/boot1_arch.h b/ldso/ldso/i386/boot1_arch.h new file mode 100644 index 000000000..2f8fe1357 --- /dev/null +++ b/ldso/ldso/i386/boot1_arch.h @@ -0,0 +1,7 @@ +/* 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. See arm/boot1_arch.h for an example of what + * can be done. + */ + +#define DL_BOOT(X) void _dl_boot (X) diff --git a/ldso/ldso/i386/dl-startup.h b/ldso/ldso/i386/dl-startup.h new file mode 100644 index 000000000..2f8fe1357 --- /dev/null +++ b/ldso/ldso/i386/dl-startup.h @@ -0,0 +1,7 @@ +/* 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. See arm/boot1_arch.h for an example of what + * can be done. + */ + +#define DL_BOOT(X) void _dl_boot (X) diff --git a/ldso/ldso/ld-uClibc.c b/ldso/ldso/ld-uClibc.c index a96562f19..9e11cee10 100644 --- a/ldso/ldso/ld-uClibc.c +++ b/ldso/ldso/ld-uClibc.c @@ -103,6 +103,9 @@ #define ALLOW_ZERO_PLTGOT +/* Some arches may need to override this in boot1_arch.h */ +#define ELFMAGIC ELFMAG + /* This is a poor man's malloc, used prior to resolving our internal poor man's malloc */ #define DL_MALLOC(SIZE) ((void *) (malloc_buffer += SIZE, malloc_buffer - SIZE)) ; REALIGN(); /* @@ -132,6 +135,8 @@ int _dl_fixup(struct elf_resolve *tpnt); void _dl_debug_state(void); char *_dl_get_last_path_component(char *path); +#include "boot1_arch.h" + /* When we enter this piece of code, the program stack looks like this: argc argument counter (integer) @@ -143,12 +148,11 @@ char *_dl_get_last_path_component(char *path); NULL auxv_t[0...N] Auxiliary Vector Table elements (mixed types) */ -void _dl_boot(unsigned int args) + +DL_BOOT(unsigned long args) { unsigned int argc; char **argv, **envp; - int status; - unsigned long load_addr; unsigned long *got; unsigned long *aux_dat; @@ -168,6 +172,7 @@ void _dl_boot(unsigned int args) unsigned long *chains; int indx; int _dl_secure; + int status; /* WARNING! -- we cannot make _any_ funtion calls until we have @@ -177,9 +182,12 @@ void _dl_boot(unsigned int 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); + GET_ARGV(aux_dat,args); +#if defined(__arm__) + aux_dat+=1; +#endif argc = *(aux_dat - 1); - argv = (char **) aux_dat; + argv = (char **) aux_dat; aux_dat += argc; /* Skip over the argv pointers */ aux_dat++; /* Skip over NULL at end of argv */ envp = (char **) aux_dat; @@ -187,7 +195,7 @@ void _dl_boot(unsigned int args) aux_dat++; /* Skip over the envp pointers */ aux_dat++; /* Skip over NULL at end of envp */ - /* Place -1 here as a checkpoint. We check later to see if it was changed + /* Place -1 here as a checkpoint. We later check if it was changed * when we read in the auxv_t */ auxv_t[AT_UID].a_type = -1; @@ -199,7 +207,8 @@ void _dl_boot(unsigned int args) Elf32_auxv_t *auxv_entry = (Elf32_auxv_t*) aux_dat; if (auxv_entry->a_type <= AT_EGID) { - _dl_memcpy_inline(&(auxv_t[auxv_entry->a_type]), auxv_entry, sizeof(Elf32_auxv_t)); + _dl_memcpy_inline(&(auxv_t[auxv_entry->a_type]), + auxv_entry, sizeof(Elf32_auxv_t)); } aux_dat += 2; } @@ -208,13 +217,13 @@ void _dl_boot(unsigned int args) * (esp since SEND_STDERR() needs this on some platforms... */ load_addr = auxv_t[AT_BASE].a_un.a_val; header = (elfhdr *) auxv_t[AT_BASE].a_un.a_ptr; - - /* check the ELF header to make sure everything looks ok. */ + + /* Check the ELF header to make sure everything looks ok. */ if (! header || header->e_ident[EI_CLASS] != ELFCLASS32 || header->e_ident[EI_VERSION] != EV_CURRENT || - _dl_strncmp_inline((void *)header, ELFMAG, SELFMAG) != 0) + _dl_strncmp_inline((void *)header, ELFMAGIC, SELFMAG) != 0) { - SEND_STDERR("invalid ELF header\n"); + SEND_STDERR("Invalid ELF header\n"); _dl_exit(0); } #ifdef DL_DEBUG @@ -222,16 +231,19 @@ void _dl_boot(unsigned int args) SEND_ADDRESS_STDERR(load_addr, 1); #endif + /* Locate the global offset table. Since this code must be PIC * we can take advantage of the magic offset register, if we * happen to know what that is for this architecture. If not, - * we can always read stuff out of the ELF file to fine it... */ + * we can always read stuff out of the ELF file to find it... */ #if defined(__i386__) __asm__("\tmovl %%ebx,%0\n\t" : "=a" (got)); #elif defined(__m68k__) __asm__ ("movel %%a5,%0" : "=g" (got)) #elif defined(__sparc__) __asm__("\tmov %%l7,%0\n\t" : "=r" (got)) +#elif defined(__arm__) + __asm__("\tmov %0, r10\n\t" : "=r"(got)); #else /* Do things the slow way in C */ { @@ -786,7 +798,6 @@ found_got: #ifdef USE_CACHE _dl_unmap_cache(); #endif - /* ldd uses uses this. I am not sure how you pick up the other flags */ if (_dl_trace_loaded_objects) { _dl_warn = _dl_getenv("LD_WARN", envp); @@ -833,8 +844,6 @@ found_got: * Now we go through and look for REL and RELA records that indicate fixups * to the GOT tables. We need to do this in reverse order so that COPY * directives work correctly */ - - goof = _dl_loaded_modules ? _dl_fixup(_dl_loaded_modules) : 0; @@ -842,10 +851,8 @@ found_got: and we have to manually search for entries that require fixups. Solaris gets this one right, from what I understand. */ - if (_dl_symbol_tables) goof += _dl_copy_fixups(_dl_symbol_tables); - if (goof || _dl_trace_loaded_objects) _dl_exit(0); @@ -865,7 +872,6 @@ found_got: if (_dl_envp) *_dl_envp = (unsigned long) envp; - { int i; elf_phdr *ppnt; @@ -940,6 +946,7 @@ found_got: /* * Transfer control to the application. */ + status = 0; /* Used on x86, but not on other arches */ START(); } @@ -956,10 +963,9 @@ void _dl_debug_state() int _dl_fixup(struct elf_resolve *tpnt) { int goof = 0; - + if (tpnt->next) goof += _dl_fixup(tpnt->next); - if (tpnt->dynamic_info[DT_REL]) { #ifdef ELF_USES_RELOCA _dl_fdprintf(2, "%s: can't handle REL relocation records\n", @@ -969,7 +975,6 @@ int _dl_fixup(struct elf_resolve *tpnt) if (tpnt->init_flag & RELOCS_DONE) return goof; tpnt->init_flag |= RELOCS_DONE; - goof += _dl_parse_relocation_information(tpnt, tpnt->dynamic_info[DT_REL], tpnt->dynamic_info[DT_RELSZ], 0); #endif @@ -979,7 +984,6 @@ int _dl_fixup(struct elf_resolve *tpnt) if (tpnt->init_flag & RELOCS_DONE) return goof; tpnt->init_flag |= RELOCS_DONE; - goof += _dl_parse_relocation_information(tpnt, tpnt->dynamic_info[DT_RELA], tpnt->dynamic_info[DT_RELASZ], 0); #else @@ -992,7 +996,6 @@ int _dl_fixup(struct elf_resolve *tpnt) if (tpnt->init_flag & JMP_RELOCS_DONE) return goof; tpnt->init_flag |= JMP_RELOCS_DONE; - if (!_dl_not_lazy || *_dl_not_lazy == 0) _dl_parse_lazy_relocation_information(tpnt, tpnt->dynamic_info[DT_JMPREL], tpnt->dynamic_info[DT_PLTRELSZ], 0); diff --git a/ldso/ldso/ldso.c b/ldso/ldso/ldso.c index a96562f19..9e11cee10 100644 --- a/ldso/ldso/ldso.c +++ b/ldso/ldso/ldso.c @@ -103,6 +103,9 @@ #define ALLOW_ZERO_PLTGOT +/* Some arches may need to override this in boot1_arch.h */ +#define ELFMAGIC ELFMAG + /* This is a poor man's malloc, used prior to resolving our internal poor man's malloc */ #define DL_MALLOC(SIZE) ((void *) (malloc_buffer += SIZE, malloc_buffer - SIZE)) ; REALIGN(); /* @@ -132,6 +135,8 @@ int _dl_fixup(struct elf_resolve *tpnt); void _dl_debug_state(void); char *_dl_get_last_path_component(char *path); +#include "boot1_arch.h" + /* When we enter this piece of code, the program stack looks like this: argc argument counter (integer) @@ -143,12 +148,11 @@ char *_dl_get_last_path_component(char *path); NULL auxv_t[0...N] Auxiliary Vector Table elements (mixed types) */ -void _dl_boot(unsigned int args) + +DL_BOOT(unsigned long args) { unsigned int argc; char **argv, **envp; - int status; - unsigned long load_addr; unsigned long *got; unsigned long *aux_dat; @@ -168,6 +172,7 @@ void _dl_boot(unsigned int args) unsigned long *chains; int indx; int _dl_secure; + int status; /* WARNING! -- we cannot make _any_ funtion calls until we have @@ -177,9 +182,12 @@ void _dl_boot(unsigned int 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); + GET_ARGV(aux_dat,args); +#if defined(__arm__) + aux_dat+=1; +#endif argc = *(aux_dat - 1); - argv = (char **) aux_dat; + argv = (char **) aux_dat; aux_dat += argc; /* Skip over the argv pointers */ aux_dat++; /* Skip over NULL at end of argv */ envp = (char **) aux_dat; @@ -187,7 +195,7 @@ void _dl_boot(unsigned int args) aux_dat++; /* Skip over the envp pointers */ aux_dat++; /* Skip over NULL at end of envp */ - /* Place -1 here as a checkpoint. We check later to see if it was changed + /* Place -1 here as a checkpoint. We later check if it was changed * when we read in the auxv_t */ auxv_t[AT_UID].a_type = -1; @@ -199,7 +207,8 @@ void _dl_boot(unsigned int args) Elf32_auxv_t *auxv_entry = (Elf32_auxv_t*) aux_dat; if (auxv_entry->a_type <= AT_EGID) { - _dl_memcpy_inline(&(auxv_t[auxv_entry->a_type]), auxv_entry, sizeof(Elf32_auxv_t)); + _dl_memcpy_inline(&(auxv_t[auxv_entry->a_type]), + auxv_entry, sizeof(Elf32_auxv_t)); } aux_dat += 2; } @@ -208,13 +217,13 @@ void _dl_boot(unsigned int args) * (esp since SEND_STDERR() needs this on some platforms... */ load_addr = auxv_t[AT_BASE].a_un.a_val; header = (elfhdr *) auxv_t[AT_BASE].a_un.a_ptr; - - /* check the ELF header to make sure everything looks ok. */ + + /* Check the ELF header to make sure everything looks ok. */ if (! header || header->e_ident[EI_CLASS] != ELFCLASS32 || header->e_ident[EI_VERSION] != EV_CURRENT || - _dl_strncmp_inline((void *)header, ELFMAG, SELFMAG) != 0) + _dl_strncmp_inline((void *)header, ELFMAGIC, SELFMAG) != 0) { - SEND_STDERR("invalid ELF header\n"); + SEND_STDERR("Invalid ELF header\n"); _dl_exit(0); } #ifdef DL_DEBUG @@ -222,16 +231,19 @@ void _dl_boot(unsigned int args) SEND_ADDRESS_STDERR(load_addr, 1); #endif + /* Locate the global offset table. Since this code must be PIC * we can take advantage of the magic offset register, if we * happen to know what that is for this architecture. If not, - * we can always read stuff out of the ELF file to fine it... */ + * we can always read stuff out of the ELF file to find it... */ #if defined(__i386__) __asm__("\tmovl %%ebx,%0\n\t" : "=a" (got)); #elif defined(__m68k__) __asm__ ("movel %%a5,%0" : "=g" (got)) #elif defined(__sparc__) __asm__("\tmov %%l7,%0\n\t" : "=r" (got)) +#elif defined(__arm__) + __asm__("\tmov %0, r10\n\t" : "=r"(got)); #else /* Do things the slow way in C */ { @@ -786,7 +798,6 @@ found_got: #ifdef USE_CACHE _dl_unmap_cache(); #endif - /* ldd uses uses this. I am not sure how you pick up the other flags */ if (_dl_trace_loaded_objects) { _dl_warn = _dl_getenv("LD_WARN", envp); @@ -833,8 +844,6 @@ found_got: * Now we go through and look for REL and RELA records that indicate fixups * to the GOT tables. We need to do this in reverse order so that COPY * directives work correctly */ - - goof = _dl_loaded_modules ? _dl_fixup(_dl_loaded_modules) : 0; @@ -842,10 +851,8 @@ found_got: and we have to manually search for entries that require fixups. Solaris gets this one right, from what I understand. */ - if (_dl_symbol_tables) goof += _dl_copy_fixups(_dl_symbol_tables); - if (goof || _dl_trace_loaded_objects) _dl_exit(0); @@ -865,7 +872,6 @@ found_got: if (_dl_envp) *_dl_envp = (unsigned long) envp; - { int i; elf_phdr *ppnt; @@ -940,6 +946,7 @@ found_got: /* * Transfer control to the application. */ + status = 0; /* Used on x86, but not on other arches */ START(); } @@ -956,10 +963,9 @@ void _dl_debug_state() int _dl_fixup(struct elf_resolve *tpnt) { int goof = 0; - + if (tpnt->next) goof += _dl_fixup(tpnt->next); - if (tpnt->dynamic_info[DT_REL]) { #ifdef ELF_USES_RELOCA _dl_fdprintf(2, "%s: can't handle REL relocation records\n", @@ -969,7 +975,6 @@ int _dl_fixup(struct elf_resolve *tpnt) if (tpnt->init_flag & RELOCS_DONE) return goof; tpnt->init_flag |= RELOCS_DONE; - goof += _dl_parse_relocation_information(tpnt, tpnt->dynamic_info[DT_REL], tpnt->dynamic_info[DT_RELSZ], 0); #endif @@ -979,7 +984,6 @@ int _dl_fixup(struct elf_resolve *tpnt) if (tpnt->init_flag & RELOCS_DONE) return goof; tpnt->init_flag |= RELOCS_DONE; - goof += _dl_parse_relocation_information(tpnt, tpnt->dynamic_info[DT_RELA], tpnt->dynamic_info[DT_RELASZ], 0); #else @@ -992,7 +996,6 @@ int _dl_fixup(struct elf_resolve *tpnt) if (tpnt->init_flag & JMP_RELOCS_DONE) return goof; tpnt->init_flag |= JMP_RELOCS_DONE; - if (!_dl_not_lazy || *_dl_not_lazy == 0) _dl_parse_lazy_relocation_information(tpnt, tpnt->dynamic_info[DT_JMPREL], tpnt->dynamic_info[DT_PLTRELSZ], 0); diff --git a/ldso/ldso/m68k/boot1_arch.h b/ldso/ldso/m68k/boot1_arch.h new file mode 100644 index 000000000..2f8fe1357 --- /dev/null +++ b/ldso/ldso/m68k/boot1_arch.h @@ -0,0 +1,7 @@ +/* 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. See arm/boot1_arch.h for an example of what + * can be done. + */ + +#define DL_BOOT(X) void _dl_boot (X) diff --git a/ldso/ldso/m68k/dl-startup.h b/ldso/ldso/m68k/dl-startup.h new file mode 100644 index 000000000..2f8fe1357 --- /dev/null +++ b/ldso/ldso/m68k/dl-startup.h @@ -0,0 +1,7 @@ +/* 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. See arm/boot1_arch.h for an example of what + * can be done. + */ + +#define DL_BOOT(X) void _dl_boot (X) diff --git a/ldso/ldso/sparc/boot1_arch.h b/ldso/ldso/sparc/boot1_arch.h new file mode 100644 index 000000000..2f8fe1357 --- /dev/null +++ b/ldso/ldso/sparc/boot1_arch.h @@ -0,0 +1,7 @@ +/* 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. See arm/boot1_arch.h for an example of what + * can be done. + */ + +#define DL_BOOT(X) void _dl_boot (X) diff --git a/ldso/ldso/sparc/dl-startup.h b/ldso/ldso/sparc/dl-startup.h new file mode 100644 index 000000000..2f8fe1357 --- /dev/null +++ b/ldso/ldso/sparc/dl-startup.h @@ -0,0 +1,7 @@ +/* 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. See arm/boot1_arch.h for an example of what + * can be done. + */ + +#define DL_BOOT(X) void _dl_boot (X) -- cgit v1.2.3