diff options
author | Tobias Anderberg <tobias.anderberg@axis.com> | 2003-08-27 12:59:23 +0000 |
---|---|---|
committer | Tobias Anderberg <tobias.anderberg@axis.com> | 2003-08-27 12:59:23 +0000 |
commit | 7f8820cbdf6a058cdb39163928c70cbd2425eba6 (patch) | |
tree | 794835817103665381f58620e88765922a913e7d /ldso | |
parent | cbd4ed6c687b42b412a04d20ea77e1c90b68b3cf (diff) |
Cosmetic changes.
Diffstat (limited to 'ldso')
-rw-r--r-- | ldso/ldso/cris/boot1_arch.h | 22 | ||||
-rw-r--r-- | ldso/ldso/cris/dl-startup.h | 22 | ||||
-rw-r--r-- | ldso/ldso/cris/dl-sysdep.h | 121 | ||||
-rw-r--r-- | ldso/ldso/cris/elfinterp.c | 64 | ||||
-rw-r--r-- | ldso/ldso/cris/ld_sysdep.h | 121 |
5 files changed, 181 insertions, 169 deletions
diff --git a/ldso/ldso/cris/boot1_arch.h b/ldso/ldso/cris/boot1_arch.h index 5fe5cae43..6824076fb 100644 --- a/ldso/ldso/cris/boot1_arch.h +++ b/ldso/ldso/cris/boot1_arch.h @@ -1,17 +1,17 @@ /* - * This code fix the stack pointer so that the dunamic linker + * This code fix the stack pointer so that the dynamic linker * can find argc, argv and auxvt (Auxillary Vector Table). */ -asm("\ - .text - .globl _dl_boot - .type _dl_boot,@function -_dl_boot: - move.d $sp,$r10 - move.d $pc,$r9 - add.d _dl_boot2 - ., $r9 - jsr $r9 -"); +asm("" \ +" .text\n" \ +" .globl _dl_boot\n" \ +" .type _dl_boot,@function\n" \ +"_dl_boot:\n" \ +" move.d $sp,$r10\n" \ +" move.d $pc,$r9\n" \ +" add.d _dl_boot2 - ., $r9\n" \ +" jsr $r9\n" \ +); #define _dl_boot _dl_boot2 #define LD_BOOT(X) static void __attribute__ ((unused)) _dl_boot(X) diff --git a/ldso/ldso/cris/dl-startup.h b/ldso/ldso/cris/dl-startup.h index 5fe5cae43..6824076fb 100644 --- a/ldso/ldso/cris/dl-startup.h +++ b/ldso/ldso/cris/dl-startup.h @@ -1,17 +1,17 @@ /* - * This code fix the stack pointer so that the dunamic linker + * This code fix the stack pointer so that the dynamic linker * can find argc, argv and auxvt (Auxillary Vector Table). */ -asm("\ - .text - .globl _dl_boot - .type _dl_boot,@function -_dl_boot: - move.d $sp,$r10 - move.d $pc,$r9 - add.d _dl_boot2 - ., $r9 - jsr $r9 -"); +asm("" \ +" .text\n" \ +" .globl _dl_boot\n" \ +" .type _dl_boot,@function\n" \ +"_dl_boot:\n" \ +" move.d $sp,$r10\n" \ +" move.d $pc,$r9\n" \ +" add.d _dl_boot2 - ., $r9\n" \ +" jsr $r9\n" \ +); #define _dl_boot _dl_boot2 #define LD_BOOT(X) static void __attribute__ ((unused)) _dl_boot(X) diff --git a/ldso/ldso/cris/dl-sysdep.h b/ldso/ldso/cris/dl-sysdep.h index e915bf600..cf36752fb 100644 --- a/ldso/ldso/cris/dl-sysdep.h +++ b/ldso/ldso/cris/dl-sysdep.h @@ -11,11 +11,11 @@ /* * Initialization sequence for a GOT. */ -#define INIT_GOT(GOT_BASE,MODULE) \ -{ \ - GOT_BASE[1] = (unsigned long) MODULE; \ - GOT_BASE[2] = (unsigned long) _dl_linux_resolve; \ -} +#define INIT_GOT(GOT_BASE,MODULE) \ +{ \ + GOT_BASE[1] = (unsigned long) MODULE; \ + GOT_BASE[2] = (unsigned long) _dl_linux_resolve; \ +} /* * Here is a macro to perform a relocation. This is only used when @@ -24,38 +24,39 @@ * SYMBOL is the symbol involved in the relocation, and LOAD is the * load address. */ -#define PERFORM_BOOTSTRAP_RELOC(RELP, REL, SYMBOL, LOAD) \ - switch (ELF32_R_TYPE((RELP)->r_info)) { \ - case R_CRIS_GLOB_DAT: \ - case R_CRIS_JUMP_SLOT: \ - case R_CRIS_32: \ - *REL = SYMBOL; \ - break; \ - case R_CRIS_16_PCREL: \ +#define PERFORM_BOOTSTRAP_RELOC(RELP, REL, SYMBOL, LOAD) \ + switch (ELF32_R_TYPE((RELP)->r_info)) { \ + case R_CRIS_GLOB_DAT: \ + case R_CRIS_JUMP_SLOT: \ + case R_CRIS_32: \ + *REL = SYMBOL; \ + break; \ + case R_CRIS_16_PCREL: \ *(short *) *REL = SYMBOL + (RELP)->r_addend - *REL - 2; \ - break; \ - case R_CRIS_32_PCREL: \ - *REL = SYMBOL + (RELP)->r_addend - *REL - 4; \ - break; \ - case R_CRIS_NONE: \ - break; \ - case R_CRIS_RELATIVE: \ - *REL = (unsigned long) LOAD + (RELP)->r_addend; \ - break; \ - default: \ - _dl_exit(1); \ - break; \ - } + break; \ + case R_CRIS_32_PCREL: \ + *REL = SYMBOL + (RELP)->r_addend - *REL - 4; \ + break; \ + case R_CRIS_NONE: \ + break; \ + case R_CRIS_RELATIVE: \ + *REL = (unsigned long) LOAD + (RELP)->r_addend; \ + break; \ + default: \ + _dl_exit(1); \ + break; \ + } /* * Transfer control to the user's application once the dynamic loader * is done. This routine has to exit the current function, then call * _dl_elf_main. */ -#define START() __asm__ volatile ("moveq 0,$r8\n\t - move $r8,$srp\n\t - move.d %1,$sp\n\t - jump %0\n\t" : : "r" (_dl_elf_main), "r" (args)) +#define START() __asm__ volatile ("moveq 0,$r8\n\t" \ + "move $r8,$srp\n\t" \ + "move.d %1,$sp\n\t" \ + "jump %0\n\t" \ + : : "r" (_dl_elf_main), "r" (args)) /* Defined some magic numbers that this ld.so should accept. */ #define MAGIC1 EM_CRIS @@ -66,41 +67,41 @@ struct elf_resolve; extern unsigned long _dl_linux_resolver(struct elf_resolve *tpnt, int reloc_entry); /* Cheap modulo implementation, taken from arm/ld_sysdep.h. */ -static inline unsigned long -cris_mod(unsigned long m, unsigned long p) +static inline unsigned long +cris_mod(unsigned long m, unsigned long p) { unsigned long i, t, inc; - - i = p; + + i = p; t = 0; - while (!(i & (1 << 31))) { - i <<= 1; - t++; - } - - t--; - + while (!(i & (1 << 31))) { + i <<= 1; + t++; + } + + t--; + for (inc = t; inc > 2; inc--) { - i = p << inc; - - if (i & (1 << 31)) - break; - - while (m >= i) { - m -= i; - i <<= 1; - if (i & (1 << 31)) - break; - if (i < p) - break; - } - } - - while (m >= p) - m -= p; - - return m; + i = p << inc; + + if (i & (1 << 31)) + break; + + while (m >= i) { + m -= i; + i <<= 1; + if (i & (1 << 31)) + break; + if (i < p) + break; + } + } + + while (m >= p) + m -= p; + + return m; } #define do_rem(result, n, base) result = cris_mod(n, base); diff --git a/ldso/ldso/cris/elfinterp.c b/ldso/ldso/cris/elfinterp.c index 72e85530e..0e395a6e0 100644 --- a/ldso/ldso/cris/elfinterp.c +++ b/ldso/ldso/cris/elfinterp.c @@ -69,7 +69,7 @@ debug_sym(Elf32_Sym *symtab, char *strtab, int symtab_index) symtab[symtab_index].st_info, symtab[symtab_index].st_other, symtab[symtab_index].st_shndx); - } + } } } @@ -82,13 +82,18 @@ debug_reloc(Elf32_Sym *symtab, char *strtab, ELF_RELOC *rpnt) symtab_index = ELF32_R_SYM(rpnt->r_info); sym = symtab_index ? strtab + symtab[symtab_index].st_name : "sym=0x0"; + + if (_dl_debug_symbols) + _dl_printf(_dl_debug_file, "\n\t"); + else + _dl_printf(_dl_debug_file, "\n%s\n\t", sym); #ifdef ELF_USES_RELOCA - _dl_dprintf(_dl_debug_file, "\n%s\toffset=%x\taddend=%x %s", - _dl_reltypes(ELF32_R_TYPE(rpnt->r_info)), rpnt->r_offset, rpnt->r_addend, sym); + _dl_dprintf(_dl_debug_file, "\n%s\toffset=%x\taddend=%x", + _dl_reltypes(ELF32_R_TYPE(rpnt->r_info)), rpnt->r_offset, rpnt->r_addend); #else - _dl_dprintf(_dl_debug_file, "\n%s\toffset=%x %s", _dl_reltypes(ELF32_R_TYPE(rpnt->r_info)), - rpnt->r_offset, sym); + _dl_dprintf(_dl_debug_file, "\n%s\toffset=%x", _dl_reltypes(ELF32_R_TYPE(rpnt->r_info)), + rpnt->r_offset); #endif } } @@ -104,6 +109,7 @@ _dl_linux_resolver(struct elf_resolve *tpnt, int reloc_offset) int reloc_type; int symtab_index; char *strtab; + char *symname; char *new_addr; char **got_addr; ELF_RELOC *reloc; @@ -117,9 +123,10 @@ _dl_linux_resolver(struct elf_resolve *tpnt, int reloc_offset) symtab = (Elf32_Sym *) (tpnt->dynamic_info[DT_SYMTAB] + tpnt->loadaddr); strtab = (char *) (tpnt->dynamic_info[DT_STRTAB] + tpnt->loadaddr); + symname = strtab + symtab[symtab_index].st_name; if (reloc_type != R_CRIS_JUMP_SLOT) { - _dl_dprintf(_dl_debug_file, "%s: Incorrect relocation type for jump relocations.\n", _dl_progname); + _dl_dprintf(2, "%s: Incorrect relocation type for jump relocations.\n", _dl_progname); _dl_exit(1); } @@ -128,20 +135,23 @@ _dl_linux_resolver(struct elf_resolve *tpnt, int reloc_offset) got_addr = (char **) instr_addr; #ifdef DL_DEBUG_SYMBOLS - _dl_dprintf(_dl_debug_file, "Resolving symbol: %s\n", strtab + symtab[symtab_index].st_name); + _dl_dprintf(_dl_debug_file, "Resolving symbol: %s\n", symname); #endif /* Fetch the address of the GOT entry. */ - new_addr = _dl_find_hash(strtab + symtab[symtab_index].st_name, tpnt->symbol_scope, tpnt, 0); + new_addr = _dl_find_hash(symname, tpnt->symbol_scope, tpnt, resolver); if (!new_addr) { - _dl_dprintf(_dl_debug_file, "%s: Can't resolv symbol '%s'\n", _dl_progname, strtab + symtab[symtab_index].st_name); + if ((new_addr = _dl_find_hash(symname, NULL, NULL, resolver))) + return (unsigned long) new_addr; + + _dl_dprintf(2, "%s: Can't resolv symbol '%s'\n", _dl_progname, symname); _dl_exit(1); } #if defined (__SUPPORT_LD_DEBUG__) if (_dl_debug_bindings) { - _dl_dprintf(_dl_debug_file, "\nresolve function: %s", strtab + symtab[symtab_index].st_name); + _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); @@ -168,6 +178,7 @@ _dl_parse_lazy_relocation_information(struct elf_resolve *tpnt, unsigned long re rel_size = rel_size / sizeof(ELF_RELOC); symtab = (Elf32_Sym *) (tpnt->dynamic_info[DT_SYMTAB] + tpnt->loadaddr); strtab = (char *) (tpnt->dynamic_info[DT_STRTAB] + tpnt->loadaddr); + symname = strtab + symtab[symtab_index].st_name; for (i = 0; i < rel_size; i++, rpnt++) { reloc_addr = (Elf32_Addr *) (tpnt->loadaddr + (Elf32_Addr) rpnt->r_offset); @@ -181,7 +192,7 @@ _dl_parse_lazy_relocation_information(struct elf_resolve *tpnt, unsigned long re if (!symtab_index && tpnt->libtype == program_interpreter) continue; if (symtab_index && tpnt->libtype == program_interpreter && - _dl_symbol(strtab + symtab[symtab_index].st_name)) + _dl_symbol(symname)) continue; #if defined (__SUPPORT_LD_DEBUG__) @@ -189,7 +200,6 @@ _dl_parse_lazy_relocation_information(struct elf_resolve *tpnt, unsigned long re unsigned long old_val = *reloc_addr; #endif - switch (reloc_type) { case R_CRIS_NONE: break; @@ -197,13 +207,13 @@ _dl_parse_lazy_relocation_information(struct elf_resolve *tpnt, unsigned long re *reloc_addr += (Elf32_Addr) tpnt->loadaddr; break; default: - _dl_dprintf(_dl_debug_file, "%s: Can't handle relocation type (lazy).\n", + _dl_dprintf(2, "%s: Can't handle relocation type (lazy).\n", _dl_progname); #ifdef __SUPPORT_LD_DEBUG__ _dl_dprintf(_dl_debug_file, "%s ", _dl_reltypes(reloc_type)); #endif if (symtab_index) - _dl_dprintf(_dl_debug_file, "'%s'\n", strtab + symtab[symtab_index].st_name); + _dl_dprintf(2, "'%s'\n", symname); _dl_exit(1); } @@ -223,6 +233,7 @@ _dl_parse_relocation_information(struct elf_resolve *tpnt, unsigned long rel_add int reloc_type; int symtab_index; char *strtab; + char *symname; Elf32_Sym *symtab; ELF_RELOC *rpnt; Elf32_Addr *reloc_addr; @@ -234,7 +245,8 @@ _dl_parse_relocation_information(struct elf_resolve *tpnt, unsigned long rel_add symtab = (Elf32_Sym *) (tpnt->dynamic_info[DT_SYMTAB] + tpnt->loadaddr); strtab = (char *) (tpnt->dynamic_info[DT_STRTAB] + tpnt->loadaddr); - + symname = strtab + symtab[symtab_index].st_name; + for (i = 0; i < rel_size; i++, rpnt++) { reloc_addr = (Elf32_Addr *) (tpnt->loadaddr + (Elf32_Addr) rpnt->r_offset); reloc_type = ELF32_R_TYPE(rpnt->r_info); @@ -252,8 +264,8 @@ _dl_parse_relocation_information(struct elf_resolve *tpnt, unsigned long rel_add if (symtab[symtab_index].st_shndx != SHN_UNDEF && ELF32_ST_BIND(symtab[symtab_index].st_info) == STB_LOCAL) symbol_addr = (Elf32_Addr) tpnt->loadaddr; else - symbol_addr = (Elf32_Addr) _dl_find_hash(strtab + symtab[symtab_index].st_name, - tpnt->symbol_scope, (reloc_type == R_CRIS_JUMP_SLOT ? tpnt : NULL), 0); + symbol_addr = (Elf32_Addr) _dl_find_hash(symname, tpnt->symbol_scope, + (reloc_type == R_CRIS_JUMP_SLOT ? tpnt : NULL), 0); /* * We want to allow undefined references to weak symbols - this @@ -261,8 +273,7 @@ _dl_parse_relocation_information(struct elf_resolve *tpnt, unsigned long rel_add * symbols here, so all bases should be covered. */ if (!symbol_addr && ELF32_ST_BIND(symtab[symtab_index].st_info) == STB_GLOBAL) { - _dl_dprintf(_dl_debug_file, "%s: Can't resolve '%s'\n", - _dl_progname, strtab + symtab[symtab_index].st_name); + _dl_dprintf(2, "%s: Can't resolve '%s'\n", _dl_progname, symname); goof++; } @@ -306,12 +317,12 @@ _dl_parse_relocation_information(struct elf_resolve *tpnt, unsigned long rel_add case R_CRIS_NONE: break; default: - _dl_dprintf(_dl_debug_file, "%s: Can't handle relocation type ", _dl_progname); + _dl_dprintf(2, "%s: Can't handle relocation type ", _dl_progname); #ifdef __SUPPORT_LD_DEBUG__ _dl_dprintf(_dl_debug_file, "%s\n", _dl_reltypes(reloc_type)); #endif if (symtab_index) { - _dl_dprintf(_dl_debug_file, "'%s'\n", strtab + symtab[symtab_index].st_name); + _dl_dprintf(2, "'%s'\n", symname); return -1; } } @@ -337,6 +348,7 @@ _dl_parse_copy_information(struct dyn_elf *xpnt, unsigned long rel_addr, unsigne int goof; int symtab_index; char *strtab; + char *symname; struct elf_resolve *tpnt; Elf32_Sym *symtab; ELF_RELOC *rpnt; @@ -351,6 +363,7 @@ _dl_parse_copy_information(struct dyn_elf *xpnt, unsigned long rel_addr, unsigne symtab = (Elf32_Sym *) (tpnt->dynamic_info[DT_SYMTAB] + tpnt->loadaddr); strtab = (char *) (tpnt->dynamic_info[DT_STRTAB] + tpnt->loadaddr); + symname = strtab + symtab[symtab_index].st_name; for (i = 0; i < rel_size; i++, rpnt++) { reloc_addr = (Elf32_Addr *) (tpnt->loadaddr + (Elf32_Addr) rpnt->r_offset); @@ -366,16 +379,13 @@ _dl_parse_copy_information(struct dyn_elf *xpnt, unsigned long rel_addr, unsigne continue; if (symtab_index) { - if (tpnt->libtype == program_interpreter && - _dl_symbol(strtab + symtab[symtab_index].st_name)) + if (tpnt->libtype == program_interpreter && _dl_symbol(symname)) continue; - symbol_addr = (Elf32_Addr) _dl_find_hash(strtab + - symtab[symtab_index].st_name, xpnt->next, NULL, 1); + symbol_addr = (Elf32_Addr) _dl_find_hash(symname, xpnt->next, NULL, 1); if (!symbol_addr) { - _dl_dprintf(_dl_debug_file, "%s: Can't resolv symbol '%s'\n", - _dl_progname, strtab + symtab[symtab_index].st_name); + _dl_dprintf(2, "%s: Can't resolv symbol '%s'\n", _dl_progname, symname); goof++; } } diff --git a/ldso/ldso/cris/ld_sysdep.h b/ldso/ldso/cris/ld_sysdep.h index e915bf600..cf36752fb 100644 --- a/ldso/ldso/cris/ld_sysdep.h +++ b/ldso/ldso/cris/ld_sysdep.h @@ -11,11 +11,11 @@ /* * Initialization sequence for a GOT. */ -#define INIT_GOT(GOT_BASE,MODULE) \ -{ \ - GOT_BASE[1] = (unsigned long) MODULE; \ - GOT_BASE[2] = (unsigned long) _dl_linux_resolve; \ -} +#define INIT_GOT(GOT_BASE,MODULE) \ +{ \ + GOT_BASE[1] = (unsigned long) MODULE; \ + GOT_BASE[2] = (unsigned long) _dl_linux_resolve; \ +} /* * Here is a macro to perform a relocation. This is only used when @@ -24,38 +24,39 @@ * SYMBOL is the symbol involved in the relocation, and LOAD is the * load address. */ -#define PERFORM_BOOTSTRAP_RELOC(RELP, REL, SYMBOL, LOAD) \ - switch (ELF32_R_TYPE((RELP)->r_info)) { \ - case R_CRIS_GLOB_DAT: \ - case R_CRIS_JUMP_SLOT: \ - case R_CRIS_32: \ - *REL = SYMBOL; \ - break; \ - case R_CRIS_16_PCREL: \ +#define PERFORM_BOOTSTRAP_RELOC(RELP, REL, SYMBOL, LOAD) \ + switch (ELF32_R_TYPE((RELP)->r_info)) { \ + case R_CRIS_GLOB_DAT: \ + case R_CRIS_JUMP_SLOT: \ + case R_CRIS_32: \ + *REL = SYMBOL; \ + break; \ + case R_CRIS_16_PCREL: \ *(short *) *REL = SYMBOL + (RELP)->r_addend - *REL - 2; \ - break; \ - case R_CRIS_32_PCREL: \ - *REL = SYMBOL + (RELP)->r_addend - *REL - 4; \ - break; \ - case R_CRIS_NONE: \ - break; \ - case R_CRIS_RELATIVE: \ - *REL = (unsigned long) LOAD + (RELP)->r_addend; \ - break; \ - default: \ - _dl_exit(1); \ - break; \ - } + break; \ + case R_CRIS_32_PCREL: \ + *REL = SYMBOL + (RELP)->r_addend - *REL - 4; \ + break; \ + case R_CRIS_NONE: \ + break; \ + case R_CRIS_RELATIVE: \ + *REL = (unsigned long) LOAD + (RELP)->r_addend; \ + break; \ + default: \ + _dl_exit(1); \ + break; \ + } /* * Transfer control to the user's application once the dynamic loader * is done. This routine has to exit the current function, then call * _dl_elf_main. */ -#define START() __asm__ volatile ("moveq 0,$r8\n\t - move $r8,$srp\n\t - move.d %1,$sp\n\t - jump %0\n\t" : : "r" (_dl_elf_main), "r" (args)) +#define START() __asm__ volatile ("moveq 0,$r8\n\t" \ + "move $r8,$srp\n\t" \ + "move.d %1,$sp\n\t" \ + "jump %0\n\t" \ + : : "r" (_dl_elf_main), "r" (args)) /* Defined some magic numbers that this ld.so should accept. */ #define MAGIC1 EM_CRIS @@ -66,41 +67,41 @@ struct elf_resolve; extern unsigned long _dl_linux_resolver(struct elf_resolve *tpnt, int reloc_entry); /* Cheap modulo implementation, taken from arm/ld_sysdep.h. */ -static inline unsigned long -cris_mod(unsigned long m, unsigned long p) +static inline unsigned long +cris_mod(unsigned long m, unsigned long p) { unsigned long i, t, inc; - - i = p; + + i = p; t = 0; - while (!(i & (1 << 31))) { - i <<= 1; - t++; - } - - t--; - + while (!(i & (1 << 31))) { + i <<= 1; + t++; + } + + t--; + for (inc = t; inc > 2; inc--) { - i = p << inc; - - if (i & (1 << 31)) - break; - - while (m >= i) { - m -= i; - i <<= 1; - if (i & (1 << 31)) - break; - if (i < p) - break; - } - } - - while (m >= p) - m -= p; - - return m; + i = p << inc; + + if (i & (1 << 31)) + break; + + while (m >= i) { + m -= i; + i <<= 1; + if (i & (1 << 31)) + break; + if (i < p) + break; + } + } + + while (m >= p) + m -= p; + + return m; } #define do_rem(result, n, base) result = cris_mod(n, base); |