diff options
Diffstat (limited to 'ldso/ldso/nds32/elfinterp.c')
| -rw-r--r-- | ldso/ldso/nds32/elfinterp.c | 94 |
1 files changed, 64 insertions, 30 deletions
diff --git a/ldso/ldso/nds32/elfinterp.c b/ldso/ldso/nds32/elfinterp.c index 6a091f80a..9f671419c 100644 --- a/ldso/ldso/nds32/elfinterp.c +++ b/ldso/ldso/nds32/elfinterp.c @@ -44,6 +44,11 @@ #include "ldso.h" +#if defined(USE_TLS) && USE_TLS +#include "dl-tls.h" +#include "tlsdeschtab.h" +#endif + extern int _dl_linux_resolve(void); unsigned long _dl_linux_resolver(struct elf_resolve *tpnt, int reloc_entry) @@ -95,7 +100,7 @@ unsigned long _dl_linux_resolver(struct elf_resolve *tpnt, int reloc_entry) { _dl_dprintf(_dl_debug_file, "\nresolve function: %s", symname); if (_dl_debug_detail) _dl_dprintf(_dl_debug_file, - "\tpatch %x ==> %x @ %x", *got_addr, new_addr, got_addr); + "\tpatch %x ==> %x @ %x", (unsigned int)*got_addr, (unsigned int)new_addr, (unsigned int)got_addr); } } if (!_dl_debug_nofixups) { @@ -168,6 +173,9 @@ _dl_do_reloc (struct elf_resolve *tpnt, struct r_scope_elem *scope, int reloc_type; int symtab_index; char *symname = NULL; +#if defined USE_TLS && USE_TLS + struct elf_resolve *tls_tpnt = NULL; +#endif unsigned long *reloc_addr; unsigned long symbol_addr; int goof = 0; @@ -190,40 +198,40 @@ _dl_do_reloc (struct elf_resolve *tpnt, struct r_scope_elem *scope, * have been intentional. We should not be linking local symbols * here, so all bases should be covered. */ - if (!symbol_addr && ELF32_ST_BIND(symtab[symtab_index].st_info) != STB_WEAK) { + if (!symbol_addr + && (ELF32_ST_TYPE(symtab[symtab_index].st_info) != STT_TLS) + && (ELF32_ST_BIND(symtab[symtab_index].st_info) != STB_WEAK)) { _dl_dprintf (2, "%s: can't resolve symbol '%s'\n", - _dl_progname, strtab + symtab[symtab_index].st_name); + _dl_progname, symname); _dl_exit (1); } + if (_dl_trace_prelink) { + _dl_debug_lookup(symname, tpnt, &symtab[symtab_index], + &sym_ref, elf_machine_type_class(reloc_type)); + } +#if defined USE_TLS && USE_TLS + tls_tpnt = sym_ref.tpnt; +#endif } -#define COPY_UNALIGNED_WORD(swp, twp, align) \ - { \ - void *__s = (swp), *__t = (twp); \ - unsigned char *__s1 = __s, *__t1 = __t; \ - unsigned short *__s2 = __s, *__t2 = __t; \ - unsigned long *__s4 = __s, *__t4 = __t; \ - switch ((align)) \ - { \ - case 0: \ - *__t4 = *__s4; \ - break; \ - case 2: \ - *__t2++ = *__s2++; \ - *__t2 = *__s2; \ - break; \ - default: \ - *__t1++ = *__s1++; \ - *__t1++ = *__s1++; \ - *__t1++ = *__s1++; \ - *__t1 = *__s1; \ - break; \ - } \ - } +#if defined USE_TLS && USE_TLS + /* In case of a TLS reloc, tls_tpnt NULL means we have an 'anonymous' + symbol. This is the case for a static tls variable, so the lookup + module is just that one is referencing the tls variable. */ + if (!tls_tpnt) + tls_tpnt = tpnt; +#endif +#define COPY_UNALIGNED_WORD(swp, twp) \ +{ \ + __typeof (swp) __tmp = __builtin_nds32_unaligned_load_w ((unsigned int*)&swp); \ + __builtin_nds32_unaligned_store_w ((unsigned int *)twp, __tmp); \ +} #if defined (__SUPPORT_LD_DEBUG__) { - unsigned long old_val = *reloc_addr; + unsigned long old_val = 0; + if(reloc_type != R_NDS32_NONE) + old_val = *reloc_addr; #endif symbol_addr += rpnt->r_addend ; switch (reloc_type) { @@ -235,7 +243,7 @@ _dl_do_reloc (struct elf_resolve *tpnt, struct r_scope_elem *scope, *reloc_addr = symbol_addr; break; case R_NDS32_32_RELA: - COPY_UNALIGNED_WORD (&symbol_addr, reloc_addr,(int) reloc_addr & 3); + COPY_UNALIGNED_WORD (symbol_addr, reloc_addr); break; #undef COPY_UNALIGNED_WORD case R_NDS32_RELATIVE: @@ -245,12 +253,38 @@ _dl_do_reloc (struct elf_resolve *tpnt, struct r_scope_elem *scope, _dl_memcpy((void *) reloc_addr, (void *) symbol_addr, symtab[symtab_index].st_size); break; +#if defined USE_TLS && USE_TLS + case R_NDS32_TLS_TPOFF: + CHECK_STATIC_TLS ((struct link_map *) tls_tpnt); + *reloc_addr = (symbol_addr + tls_tpnt->l_tls_offset); + break; + case R_NDS32_TLS_DESC: + { + struct tlsdesc volatile *td = + (struct tlsdesc volatile *)reloc_addr; +#ifndef SHARED + CHECK_STATIC_TLS((struct link_map *) tls_tpnt); +#else + if (!TRY_STATIC_TLS ((struct link_map *) tls_tpnt)) + { + td->argument.pointer = _dl_make_tlsdesc_dynamic((struct link_map *) tls_tpnt, symbol_addr); + td->entry = _dl_tlsdesc_dynamic; + } + else +#endif + { + td->argument.value = symbol_addr + tls_tpnt->l_tls_offset; + td->entry = _dl_tlsdesc_return; + } + } + break; +#endif default: return -1; /*call _dl_exit(1) */ } #if defined (__SUPPORT_LD_DEBUG__) if (_dl_debug_reloc && _dl_debug_detail) - _dl_dprintf(_dl_debug_file, "\tpatch: %x ==> %x @ %x", old_val, *reloc_addr, reloc_addr); + _dl_dprintf(_dl_debug_file, "\tpatch: %x ==> %x @ %x", (unsigned int)old_val, (unsigned int)*reloc_addr, (unsigned int)reloc_addr); } #endif @@ -283,7 +317,7 @@ _dl_do_lazy_reloc (struct elf_resolve *tpnt, struct r_scope_elem *scope, } #if defined (__SUPPORT_LD_DEBUG__) if (_dl_debug_reloc && _dl_debug_detail) - _dl_dprintf(_dl_debug_file, "\tpatch: %x ==> %x @ %x", old_val, *reloc_addr, reloc_addr); + _dl_dprintf(_dl_debug_file, "\tpatch: %x ==> %x @ %x", (unsigned int)old_val, (unsigned int)*reloc_addr, (unsigned int)reloc_addr); } #endif |