diff options
Diffstat (limited to 'ldso')
| -rw-r--r-- | ldso/ldso/frv/dl-startup.h | 62 | ||||
| -rw-r--r-- | ldso/ldso/frv/dl-sysdep.h | 62 |
2 files changed, 63 insertions, 61 deletions
diff --git a/ldso/ldso/frv/dl-startup.h b/ldso/ldso/frv/dl-startup.h index 017efc0ad..98c5677f6 100644 --- a/ldso/ldso/frv/dl-startup.h +++ b/ldso/ldso/frv/dl-startup.h @@ -87,3 +87,65 @@ _dl_boot (void *dl_boot_got_pointer, \ X) struct elf32_fdpic_loadmap; + +/* + * Get a pointer to the argv array. On many platforms this can be just + * the address if the first argument, on other platforms we need to + * do something a little more subtle here. + */ +#define GET_ARGV(ARGVP, ARGS) ARGVP = ((unsigned long*) ARGS) + +/* + * Compute the GOT address. On several platforms, we use assembly + * here. on FR-V FDPIC, there's no way to compute the GOT address, + * since the offset between text and data is not fixed, so we arrange + * for the assembly _dl_boot to pass this value as an argument to + * _dl_boot. */ +#define DL_BOOT_COMPUTE_GOT(got) ((got) = dl_boot_got_pointer) + +#define DL_BOOT_COMPUTE_DYN(dpnt, got, load_addr) \ + ((dpnt) = dl_boot_ldso_dyn_pointer) + +/* + * Here is a macro to perform a relocation. This is only used when + * bootstrapping the dynamic loader. RELP is the relocation that we + * are performing, REL is the pointer to the address we are relocating. + * SYMBOL is the symbol involved in the relocation, and LOAD is the + * load address. + */ +#define PERFORM_BOOTSTRAP_RELOC(RELP,REL,SYMBOL,LOAD,SYMTAB) \ + switch(ELF32_R_TYPE((RELP)->r_info)){ \ + case R_FRV_32: \ + *(REL) += (SYMBOL); \ + break; \ + case R_FRV_FUNCDESC_VALUE: \ + { \ + struct funcdesc_value fv = { \ + (void*)((SYMBOL) + *(REL)), \ + (LOAD).got_value \ + }; \ + *(struct funcdesc_value volatile *)(REL) = fv; \ + break; \ + } \ + default: \ + _dl_exit(1); \ + } + +/* + * Transfer control to the user's application, once the dynamic loader + * is done. We return the address of the function's entry point to + * _dl_boot, see boot1_arch.h. + */ +#define START() do { \ + struct elf_resolve *exec_mod = _dl_loaded_modules; \ + dl_main_funcdesc->entry_point = _dl_elf_main; \ + while (exec_mod->libtype != elf_executable) \ + exec_mod = exec_mod->next; \ + dl_main_funcdesc->got_value = exec_mod->loadaddr.got_value; \ + /* _dl_dprintf(2, "entry point is (%x,%x)\n", dl_main_funcdesc->entry_point, dl_main_funcdesc->got_value); */ \ + return; \ +} while (0) + + + + diff --git a/ldso/ldso/frv/dl-sysdep.h b/ldso/ldso/frv/dl-sysdep.h index ab3b09cd1..e0faf89ed 100644 --- a/ldso/ldso/frv/dl-sysdep.h +++ b/ldso/ldso/frv/dl-sysdep.h @@ -30,24 +30,6 @@ USA. */ #undef ELF_USES_RELOCA /* - * Get a pointer to the argv array. On many platforms this can be just - * the address if the first argument, on other platforms we need to - * do something a little more subtle here. - */ -#define GET_ARGV(ARGVP, ARGS) ARGVP = ((unsigned long*) ARGS) - -/* - * Compute the GOT address. On several platforms, we use assembly - * here. on FR-V FDPIC, there's no way to compute the GOT address, - * since the offset between text and data is not fixed, so we arrange - * for the assembly _dl_boot to pass this value as an argument to - * _dl_boot. */ -#define DL_BOOT_COMPUTE_GOT(got) ((got) = dl_boot_got_pointer) - -#define DL_BOOT_COMPUTE_DYN(dpnt, got, load_addr) \ - ((dpnt) = dl_boot_ldso_dyn_pointer) - -/* * Initialization sequence for a GOT. Copy the resolver function * descriptor and the pointer to the elf_resolve/link_map data * structure. Initialize the got_value in the module while at that. @@ -60,52 +42,10 @@ USA. */ GOT_BASE[2] = (unsigned long) MODULE; \ } -/* - * Here is a macro to perform a relocation. This is only used when - * bootstrapping the dynamic loader. RELP is the relocation that we - * are performing, REL is the pointer to the address we are relocating. - * SYMBOL is the symbol involved in the relocation, and LOAD is the - * load address. - */ -#define PERFORM_BOOTSTRAP_RELOC(RELP,REL,SYMBOL,LOAD,SYMTAB) \ - switch(ELF32_R_TYPE((RELP)->r_info)){ \ - case R_FRV_32: \ - *(REL) += (SYMBOL); \ - break; \ - case R_FRV_FUNCDESC_VALUE: \ - { \ - struct funcdesc_value fv = { \ - (void*)((SYMBOL) + *(REL)), \ - (LOAD).got_value \ - }; \ - *(struct funcdesc_value volatile *)(REL) = fv; \ - break; \ - } \ - default: \ - _dl_exit(1); \ - } - -/* - * Transfer control to the user's application, once the dynamic loader - * is done. We return the address of the function's entry point to - * _dl_boot, see boot1_arch.h. - */ -#define START() do { \ - struct elf_resolve *exec_mod = _dl_loaded_modules; \ - dl_main_funcdesc->entry_point = _dl_elf_main; \ - while (exec_mod->libtype != elf_executable) \ - exec_mod = exec_mod->next; \ - dl_main_funcdesc->got_value = exec_mod->loadaddr.got_value; \ - /* _dl_dprintf(2, "entry point is (%x,%x)\n", dl_main_funcdesc->entry_point, dl_main_funcdesc->got_value); */ \ - return; \ -} while (0) - - - /* Here we define the magic numbers that this dynamic loader should accept */ - #define MAGIC1 EM_CYGNUS_FRV #undef MAGIC2 + /* Used for error messages */ #define ELF_TARGET "FR-V" |