diff options
Diffstat (limited to 'ldso')
-rw-r--r-- | ldso/include/dl-defs.h | 33 | ||||
-rw-r--r-- | ldso/include/dl-elf.h | 2 | ||||
-rw-r--r-- | ldso/ldso/dl-elf.c | 23 | ||||
-rw-r--r-- | ldso/ldso/dl-hash.c | 6 | ||||
-rw-r--r-- | ldso/ldso/dl-startup.c | 10 | ||||
-rw-r--r-- | ldso/ldso/ldso.c | 44 | ||||
-rw-r--r-- | ldso/libdl/libdl.c | 12 |
7 files changed, 84 insertions, 46 deletions
diff --git a/ldso/include/dl-defs.h b/ldso/include/dl-defs.h index db65f78f6..932f6ac53 100644 --- a/ldso/include/dl-defs.h +++ b/ldso/include/dl-defs.h @@ -75,6 +75,14 @@ typedef struct { # define DL_LOADADDR_TYPE ElfW(Addr) #endif +/* When DL_LOADADDR_TYPE is not a scalar value, or some different + * computation is needed to relocate an address, define this. + */ +#ifndef DL_RELOC_ADDR +# define DL_RELOC_ADDR(LOADADDR, ADDR) \ + ((LOADADDR) + (ADDR)) +#endif + /* Initialize a LOADADDR representing the loader itself. It's only * called from DL_BOOT, so additional arguments passed to it may be * referenced. @@ -84,6 +92,24 @@ typedef struct { ((LOADADDR) = (BASEADDR)) #endif +/* Define if any declarations/definitions of local variables are + * needed in a function that calls DT_INIT_LOADADDR or + * DL_INIT_LOADADDR_HDR. Declarations must be properly terminated + * with a semicolon, and non-declaration statements are forbidden. + */ +#ifndef DL_INIT_LOADADDR_EXTRA_DECLS +# define DL_INIT_LOADADDR_EXTRA_DECLS /* int i; */ +#endif + +/* Prepare a DL_LOADADDR_TYPE data structure for incremental + * initialization with DL_INIT_LOADADDR_HDR, given pointers to a base + * load address and to program headers. + */ +#ifndef DL_INIT_LOADADDR +# define DL_INIT_LOADADDR(LOADADDR, BASEADDR, PHDR, PHDRCNT) \ + ((LOADADDR) = (BASEADDR)) +#endif + /* Initialize a LOADADDR representing the program. It's called from * DL_BOOT only. */ @@ -92,6 +118,13 @@ typedef struct { ((LOADADDR) = (DL_LOADADDR_TYPE)(BASEADDR)) #endif +/* Convert a DL_LOADADDR_TYPE to an identifying pointer. Used mostly + * for debugging. + */ +#ifndef DL_LOADADDR_BASE +# define DL_LOADADDR_BASE(LOADADDR) (LOADADDR) +#endif + /* Test whether a given ADDR is more likely to be within the memory * region mapped to TPNT (a struct elf_resolve *) than to TFROM. * Everywhere that this is used, TFROM is initially NULL, and whenever diff --git a/ldso/include/dl-elf.h b/ldso/include/dl-elf.h index 7b609d592..9d8da0d13 100644 --- a/ldso/include/dl-elf.h +++ b/ldso/include/dl-elf.h @@ -141,7 +141,7 @@ void __dl_parse_dynamic_info(ElfW(Dyn) *dpnt, unsigned long dynamic_info[], #define ADJUST_DYN_INFO(tag, load_off) \ do { \ if (dynamic_info[tag]) \ - dynamic_info[tag] += load_off; \ + dynamic_info[tag] = (unsigned long) DL_RELOC_ADDR(load_off, dynamic_info[tag]); \ } while(0) ADJUST_DYN_INFO(DT_HASH, load_off); ADJUST_DYN_INFO(DT_PLTGOT, load_off); diff --git a/ldso/ldso/dl-elf.c b/ldso/ldso/dl-elf.c index 923e0cfe7..443b0802e 100644 --- a/ldso/ldso/dl-elf.c +++ b/ldso/ldso/dl-elf.c @@ -118,9 +118,9 @@ int _dl_unmap_cache(void) void _dl_protect_relro (struct elf_resolve *l) { - ElfW(Addr) start = ((l->loadaddr + l->relro_addr) + ElfW(Addr) start = (DL_RELOC_ADDR(l->loadaddr, l->relro_addr) & ~(_dl_pagesize - 1)); - ElfW(Addr) end = ((l->loadaddr + l->relro_addr + l->relro_size) + ElfW(Addr) end = ((DL_RELOC_ADDR(l->loadaddr, l->relro_addr) + l->relro_size) & ~(_dl_pagesize - 1)); _dl_if_debug_dprint("RELRO protecting %s: start:%x, end:%x\n", l->libname, start, end); if (start != end && @@ -352,8 +352,9 @@ struct elf_resolve *_dl_load_elf_shared_library(int secure, ElfW(Addr) relro_addr = 0; size_t relro_size = 0; struct stat st; + DL_LOADADDR_TYPE lib_loadaddr; + DL_INIT_LOADADDR_EXTRA_DECLS - libaddr = 0; infile = _dl_open(libname, O_RDONLY, 0); if (infile < 0) { _dl_internal_error_number = LD_ERROR_NOFILE; @@ -471,6 +472,8 @@ struct elf_resolve *_dl_load_elf_shared_library(int secure, /* Get the memory to store the library */ ppnt = (ElfW(Phdr) *)(intptr_t) & header[epnt->e_phoff]; + DL_INIT_LOADADDR(lib_loadaddr, libaddr, ppnt, epnt->e_phnum); + for (i = 0; i < epnt->e_phnum; i++) { if (ppnt->p_type == PT_GNU_RELRO) { relro_addr = ppnt->p_vaddr; @@ -547,7 +550,7 @@ struct elf_resolve *_dl_load_elf_shared_library(int secure, /* For a non-PIC library, the addresses are all absolute */ if (piclib) { - dynamic_addr += (unsigned long) libaddr; + dynamic_addr = (unsigned long) DL_RELOC_ADDR(lib_loadaddr, dynamic_addr); } /* @@ -567,7 +570,7 @@ struct elf_resolve *_dl_load_elf_shared_library(int secure, dpnt = (ElfW(Dyn) *) dynamic_addr; _dl_memset(dynamic_info, 0, sizeof(dynamic_info)); - _dl_parse_dynamic_info(dpnt, dynamic_info, NULL, libaddr); + _dl_parse_dynamic_info(dpnt, dynamic_info, NULL, lib_loadaddr); /* If the TEXTREL is set, this means that we need to make the pages writable before we perform relocations. Do this now. They get set back again later. */ @@ -588,13 +591,13 @@ struct elf_resolve *_dl_load_elf_shared_library(int secure, #endif } - tpnt = _dl_add_elf_hash_table(libname, libaddr, dynamic_info, + tpnt = _dl_add_elf_hash_table(libname, lib_loadaddr, dynamic_info, dynamic_addr, 0); tpnt->relro_addr = relro_addr; tpnt->relro_size = relro_size; tpnt->st_dev = st.st_dev; tpnt->st_ino = st.st_ino; - tpnt->ppnt = (ElfW(Phdr) *)(intptr_t) (tpnt->loadaddr + epnt->e_phoff); + tpnt->ppnt = (ElfW(Phdr) *) DL_RELOC_ADDR(tpnt->loadaddr, epnt->e_phoff); tpnt->n_phent = epnt->e_phnum; /* @@ -625,9 +628,9 @@ struct elf_resolve *_dl_load_elf_shared_library(int secure, } _dl_if_debug_dprint("\n\tfile='%s'; generating link map\n", libname); - _dl_if_debug_dprint("\t\tdynamic: %x base: %x\n", dynamic_addr, libaddr); + _dl_if_debug_dprint("\t\tdynamic: %x base: %x\n", dynamic_addr, DL_LOADADDR_BASE(libaddr)); _dl_if_debug_dprint("\t\t entry: %x phdr: %x phnum: %x\n\n", - epnt->e_entry + libaddr, tpnt->ppnt, tpnt->n_phent); + DL_RELOC_ADDR(lib_loadaddr, epnt->e_entry), tpnt->ppnt, tpnt->n_phent); _dl_munmap(header, _dl_pagesize); @@ -819,7 +822,7 @@ __dl_iterate_phdr (int (*callback) (struct dl_phdr_info *info, size_t size, void int ret = 0; for (l = _dl_loaded_modules; l != NULL; l = l->next) { - info.dlpi_addr = l->loadaddr; + info.dlpi_addr = DL_LOADADDR_BASE(l->loadaddr); info.dlpi_name = l->libname; info.dlpi_phdr = l->ppnt; info.dlpi_phnum = l->n_phent; diff --git a/ldso/ldso/dl-hash.c b/ldso/ldso/dl-hash.c index ccf191a70..4fd7ba0b7 100644 --- a/ldso/ldso/dl-hash.c +++ b/ldso/ldso/dl-hash.c @@ -163,7 +163,7 @@ char *_dl_find_hash(const char *name, struct dyn_elf *rpnt, struct elf_resolve * /* Avoid calling .urem here. */ do_rem(hn, elf_hash_number, tpnt->nbucket); - symtab = (ElfW(Sym) *) (intptr_t) (tpnt->dynamic_info[DT_SYMTAB]); + symtab = (ElfW(Sym) *) tpnt->dynamic_info[DT_SYMTAB]; strtab = (char *) (tpnt->dynamic_info[DT_STRTAB]); for (si = tpnt->elf_buckets[hn]; si != STN_UNDEF; si = tpnt->chains[si]) { @@ -184,11 +184,11 @@ char *_dl_find_hash(const char *name, struct dyn_elf *rpnt, struct elf_resolve * /* Perhaps we should support old style weak symbol handling * per what glibc does when you export LD_DYNAMIC_WEAK */ if (!weak_result) - weak_result = (char *)tpnt->loadaddr + sym->st_value; + weak_result = (char *) DL_RELOC_ADDR(tpnt->loadaddr, sym->st_value); break; #endif case STB_GLOBAL: - return (char*)tpnt->loadaddr + sym->st_value; + return (char*) DL_RELOC_ADDR(tpnt->loadaddr, sym->st_value); default: /* Local symbols not handled here */ break; } diff --git a/ldso/ldso/dl-startup.c b/ldso/ldso/dl-startup.c index 4115f299c..a3764449e 100644 --- a/ldso/ldso/dl-startup.c +++ b/ldso/ldso/dl-startup.c @@ -186,14 +186,14 @@ static void * __attribute_used__ _dl_start(unsigned long args) _dl_exit(0); } SEND_STDERR_DEBUG("ELF header="); - SEND_ADDRESS_STDERR_DEBUG(load_addr, 1); + SEND_ADDRESS_STDERR_DEBUG(DL_LOADADDR_BASE(load_addr), 1); /* 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 find it... */ got = elf_machine_dynamic(); - dpnt = (ElfW(Dyn) *) (got + load_addr); + dpnt = (ElfW(Dyn) *) DL_RELOC_ADDR(load_addr, got); SEND_STDERR_DEBUG("First Dynamic section entry="); SEND_ADDRESS_STDERR_DEBUG(dpnt, 1); _dl_memset(tpnt, 0, sizeof(struct elf_resolve)); @@ -259,9 +259,9 @@ static void * __attribute_used__ _dl_start(unsigned long args) rel_addr += relative_count * sizeof(ELF_RELOC); } - rpnt = (ELF_RELOC *) (rel_addr + load_addr); + rpnt = (ELF_RELOC *) DL_RELOC_ADDR(load_addr, rel_addr); for (i = 0; i < rel_size; i += sizeof(ELF_RELOC), rpnt++) { - reloc_addr = (unsigned long *) (load_addr + (unsigned long) rpnt->r_offset); + reloc_addr = (unsigned long *) DL_RELOC_ADDR(load_addr, (unsigned long)rpnt->r_offset); symtab_index = ELF_R_SYM(rpnt->r_info); symbol_addr = 0; sym = NULL; @@ -272,7 +272,7 @@ static void * __attribute_used__ _dl_start(unsigned long args) symtab = (ElfW(Sym) *) tpnt->dynamic_info[DT_SYMTAB]; strtab = (char *) tpnt->dynamic_info[DT_STRTAB]; sym = &symtab[symtab_index]; - symbol_addr = load_addr + sym->st_value; + symbol_addr = (unsigned long) DL_RELOC_ADDR(load_addr, sym->st_value); SEND_STDERR_DEBUG("relocating symbol: "); SEND_STDERR_DEBUG(strtab + sym->st_name); diff --git a/ldso/ldso/ldso.c b/ldso/ldso/ldso.c index a6209678e..d5b87d5eb 100644 --- a/ldso/ldso/ldso.c +++ b/ldso/ldso/ldso.c @@ -109,7 +109,7 @@ static void _dl_run_array_forward(unsigned long array, unsigned long size, unsigned int jm; ElfW(Addr) *addrs; jm = size / sizeof (ElfW(Addr)); - addrs = (ElfW(Addr) *) (array + loadaddr); + addrs = (ElfW(Addr) *) DL_RELOC_ADDR(loadaddr, array); for (j = 0; j < jm; ++j) { void (*dl_elf_func) (void); dl_elf_func = (void (*)(void)) (intptr_t) addrs[j]; @@ -136,7 +136,7 @@ void _dl_run_fini_array(struct elf_resolve *tpnt); void _dl_run_fini_array(struct elf_resolve *tpnt) { if (tpnt->dynamic_info[DT_FINI_ARRAY]) { - ElfW(Addr) *array = (ElfW(Addr) *) (tpnt->loadaddr + tpnt->dynamic_info[DT_FINI_ARRAY]); + ElfW(Addr) *array = (ElfW(Addr) *) DL_RELOC_ADDR(tpnt->loadaddr, tpnt->dynamic_info[DT_FINI_ARRAY]); unsigned int i = (tpnt->dynamic_info[DT_FINI_ARRAYSZ] / sizeof(ElfW(Addr))); while (i-- > 0) { void (*dl_elf_func) (void); @@ -166,7 +166,7 @@ static void __attribute__ ((destructor)) __attribute_used__ _dl_fini(void) if (tpnt->dynamic_info[DT_FINI]) { void (*dl_elf_func) (void); - dl_elf_func = (void (*)(void)) (intptr_t) (tpnt->loadaddr + tpnt->dynamic_info[DT_FINI]); + dl_elf_func = (void (*)(void)) (intptr_t) DL_RELOC_ADDR(tpnt->loadaddr, tpnt->dynamic_info[DT_FINI]); _dl_if_debug_dprint("\ncalling FINI: %s\n\n", tpnt->libname); (*dl_elf_func) (); } @@ -299,9 +299,9 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr, break; } - if (app_tpnt->loadaddr) + if (DL_LOADADDR_BASE(app_tpnt->loadaddr)) _dl_debug_early("Position Independent Executable: " - "app_tpnt->loadaddr=%x\n", app_tpnt->loadaddr); + "app_tpnt->loadaddr=%x\n", DL_LOADADDR_BASE(app_tpnt->loadaddr)); } /* @@ -318,7 +318,7 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr, relro_size = ppnt->p_memsz; } if (ppnt->p_type == PT_DYNAMIC) { - dpnt = (ElfW(Dyn) *) (ppnt->p_vaddr + app_tpnt->loadaddr); + dpnt = (ElfW(Dyn) *) DL_RELOC_ADDR(app_tpnt->loadaddr, ppnt->p_vaddr); _dl_parse_dynamic_info(dpnt, app_tpnt->dynamic_info, debug_addr, app_tpnt->loadaddr); #ifndef __FORCE_SHAREABLE_TEXT_SEGMENTS__ /* Ugly, ugly. We need to call mprotect to change the @@ -332,7 +332,7 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr, ppnt = (ElfW(Phdr) *) auxvt[AT_PHDR].a_un.a_val; for (i = 0; i < auxvt[AT_PHNUM].a_un.a_val; i++, ppnt++) { if (ppnt->p_type == PT_LOAD && !(ppnt->p_flags & PF_W)) - _dl_mprotect((void *) ((ppnt->p_vaddr + app_tpnt->loadaddr) & PAGE_ALIGN), + _dl_mprotect((void *) (DL_RELOC_ADDR(app_tpnt->loadaddr, ppnt->p_vaddr) & PAGE_ALIGN), ((ppnt->p_vaddr + app_tpnt->loadaddr) & ADDR_ALIGN) + (unsigned long) ppnt->p_filesz, PROT_READ | PROT_WRITE | PROT_EXEC); @@ -347,7 +347,9 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr, #endif /* OK, we have what we need - slip this one into the list. */ app_tpnt = _dl_add_elf_hash_table(_dl_progname, app_tpnt->loadaddr, - app_tpnt->dynamic_info, ppnt->p_vaddr + app_tpnt->loadaddr, ppnt->p_filesz); + app_tpnt->dynamic_info, + DL_RELOC_ADDR(app_tpnt->loadaddr, ppnt->p_vaddr), + ppnt->p_filesz); _dl_loaded_modules->libtype = elf_executable; _dl_loaded_modules->ppnt = (ElfW(Phdr) *) auxvt[AT_PHDR].a_un.a_val; _dl_loaded_modules->n_phent = auxvt[AT_PHNUM].a_un.a_val; @@ -368,7 +370,7 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr, if (ppnt->p_type == PT_INTERP) { char *ptmp; - tpnt->libname = (char *) ppnt->p_vaddr + app_tpnt->loadaddr; + tpnt->libname = (char *) DL_RELOC_ADDR(app_tpnt->loadaddr, ppnt->p_vaddr); /* Store the path where the shared lib loader was found * for later use @@ -378,7 +380,7 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr, if (ptmp != _dl_ldsopath) *ptmp = '\0'; - _dl_debug_early("Lib Loader: (%x) %s\n", tpnt->loadaddr, tpnt->libname); + _dl_debug_early("Lib Loader: (%x) %s\n", DL_LOADADDR_BASE(tpnt->loadaddr), tpnt->libname); } } app_tpnt->relro_addr = relro_addr; @@ -450,7 +452,7 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr, */ debug_addr->r_map = (struct link_map *) _dl_loaded_modules; debug_addr->r_version = 1; - debug_addr->r_ldbase = load_addr; + debug_addr->r_ldbase = DL_LOADADDR_BASE(load_addr); debug_addr->r_brk = (unsigned long) &_dl_debug_state; _dl_debug_addr = debug_addr; @@ -497,7 +499,7 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr, } else { tpnt1->rtld_flags = unlazy | RTLD_GLOBAL; - _dl_debug_early("Loading: (%x) %s\n", tpnt1->loadaddr, tpnt1->libname); + _dl_debug_early("Loading: (%x) %s\n", DL_LOADADDR_BASE(tpnt1->loadaddr), tpnt1->libname); #ifdef __LDSO_LDD_SUPPORT__ if (trace_loaded_objects && @@ -509,7 +511,7 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr, */ if (_dl_strcmp(_dl_progname, str) != 0) _dl_dprintf(1, "\t%s => %s (%x)\n", str, tpnt1->libname, - tpnt1->loadaddr); + DL_LOADADDR_BASE(tpnt1->loadaddr)); } #endif } @@ -588,14 +590,14 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr, } else { tpnt1->rtld_flags = unlazy | RTLD_GLOBAL; - _dl_debug_early("Loading: (%x) %s\n", tpnt1->loadaddr, tpnt1->libname); + _dl_debug_early("Loading: (%x) %s\n", DL_LOADADDR_BASE(tpnt1->loadaddr), tpnt1->libname); #ifdef __LDSO_LDD_SUPPORT__ if (trace_loaded_objects && tpnt1->usage_count == 1) { _dl_dprintf(1, "\t%s => %s (%x)\n", cp2, tpnt1->libname, - (unsigned)tpnt1->loadaddr); + DL_LOADADDR_BASE(tpnt1->loadaddr)); } #endif } @@ -647,14 +649,14 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr, tpnt1->rtld_flags = unlazy | RTLD_GLOBAL; - _dl_debug_early("Loading: (%x) %s\n", tpnt1->loadaddr, tpnt1->libname); + _dl_debug_early("Loading: (%x) %s\n", DL_LOADADDR_BASE(tpnt1->loadaddr), tpnt1->libname); #ifdef __LDSO_LDD_SUPPORT__ if (trace_loaded_objects && tpnt1->usage_count == 1) { _dl_dprintf(1, "\t%s => %s (%x)\n", lpntstr, tpnt1->libname, - (unsigned)tpnt1->loadaddr); + DL_LOADADDR_BASE(tpnt1->loadaddr)); } #endif } @@ -715,7 +717,7 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr, */ if (tpnt) { ElfW(Ehdr) *epnt = (ElfW(Ehdr) *) auxvt[AT_BASE].a_un.a_val; - ElfW(Phdr) *myppnt = (ElfW(Phdr) *) (load_addr + epnt->e_phoff); + ElfW(Phdr) *myppnt = (ElfW(Phdr) *) DL_RELOC_ADDR(load_addr, epnt->e_phoff); int j; tpnt = _dl_add_elf_hash_table(tpnt->libname, load_addr, @@ -765,7 +767,7 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr, if (trace_loaded_objects) { _dl_dprintf(1, "\t%s => %s (%x)\n", rpnt->dyn->libname + _dl_strlen(_dl_ldsopath) + 1, - rpnt->dyn->libname, rpnt->dyn->loadaddr); + rpnt->dyn->libname, DL_LOADADDR_BASE(rpnt->dyn->loadaddr)); _dl_exit(0); } #endif @@ -817,7 +819,7 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr, for (tpnt = _dl_loaded_modules; tpnt; tpnt = tpnt->next) { for (myppnt = tpnt->ppnt, j = 0; j < tpnt->n_phent; j++, myppnt++) { if (myppnt->p_type == PT_LOAD && !(myppnt->p_flags & PF_W) && tpnt->dynamic_info[DT_TEXTREL]) { - _dl_mprotect((void *) (tpnt->loadaddr + (myppnt->p_vaddr & PAGE_ALIGN)), + _dl_mprotect((void *) (DL_RELOC_ADDR(tpnt->loadaddr, myppnt->p_vaddr) & PAGE_ALIGN), (myppnt->p_vaddr & ADDR_ALIGN) + (unsigned long) myppnt->p_filesz, LXFLAGS(myppnt->p_flags)); } } @@ -846,7 +848,7 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr, if (tpnt->dynamic_info[DT_INIT]) { void (*dl_elf_func) (void); - dl_elf_func = (void (*)(void)) (intptr_t) (tpnt->loadaddr + tpnt->dynamic_info[DT_INIT]); + dl_elf_func = (void (*)(void)) DL_RELOC_ADDR(tpnt->loadaddr, tpnt->dynamic_info[DT_INIT]); _dl_if_debug_dprint("calling INIT: %s\n\n", tpnt->libname); diff --git a/ldso/libdl/libdl.c b/ldso/libdl/libdl.c index 84102d730..79b181628 100644 --- a/ldso/libdl/libdl.c +++ b/ldso/libdl/libdl.c @@ -377,7 +377,7 @@ void *dlopen(const char *libname, int flag) if (tpnt->dynamic_info[DT_INIT]) { void (*dl_elf_func) (void); - dl_elf_func = (void (*)(void)) (tpnt->loadaddr + tpnt->dynamic_info[DT_INIT]); + dl_elf_func = (void (*)(void)) DL_RELOC_ADDR(tpnt->loadaddr, tpnt->dynamic_info[DT_INIT]); if (dl_elf_func && *dl_elf_func != NULL) { _dl_if_debug_print("running ctors for library %s at '%p'\n", tpnt->libname, dl_elf_func); @@ -510,7 +510,7 @@ static int do_dlclose(void *vhandle, int need_fini) #endif if (tpnt->dynamic_info[DT_FINI]) { - dl_elf_fini = (int (*)(void)) (tpnt->loadaddr + tpnt->dynamic_info[DT_FINI]); + dl_elf_fini = (int (*)(void)) DL_RELOC_ADDR(tpnt->loadaddr, tpnt->dynamic_info[DT_FINI]); _dl_if_debug_print("running dtors for library %s at '%p'\n", tpnt->libname, dl_elf_fini); (*dl_elf_fini) (); @@ -620,7 +620,7 @@ int dlinfo(void) /* First start with a complete list of all of the loaded files. */ for (tpnt = _dl_loaded_modules; tpnt; tpnt = tpnt->next) { fprintf(stderr, "\t%p %p %p %s %d %s\n", - tpnt->loadaddr, tpnt, tpnt->symbol_scope, + DL_LOADADDR_BASE(tpnt->loadaddr), tpnt, tpnt->symbol_scope, type[tpnt->libtype], tpnt->usage_count, tpnt->libname); } @@ -658,7 +658,7 @@ int dladdr(const void *__address, Dl_info * __info) tpnt = rpnt; _dl_if_debug_print("Module \"%s\" at %p\n", - tpnt->libname, tpnt->loadaddr); + tpnt->libname, DL_LOADADDR_BASE(tpnt->loadaddr)); if (DL_ADDR_IN_LOADADDR((ElfW(Addr)) __address, tpnt, pelf)) pelf = tpnt; @@ -687,7 +687,7 @@ int dladdr(const void *__address, Dl_info * __info) for (si = pelf->elf_buckets[hn]; si; si = pelf->chains[si]) { ElfW(Addr) symbol_addr; - symbol_addr = pelf->loadaddr + symtab[si].st_value; + symbol_addr = (ElfW(Addr)) DL_RELOC_ADDR(pelf->loadaddr, symtab[si].st_value); if (symbol_addr <= (ElfW(Addr))__address && (!sf || sa < symbol_addr)) { sa = symbol_addr; sn = si; @@ -701,7 +701,7 @@ int dladdr(const void *__address, Dl_info * __info) if (sf) { __info->dli_fname = pelf->libname; - __info->dli_fbase = (void *)pelf->loadaddr; + __info->dli_fbase = (void *) DL_LOADADDR_BASE(pelf->loadaddr); __info->dli_sname = strtab + symtab[sn].st_name; __info->dli_saddr = (void *)sa; } |