diff options
Diffstat (limited to 'ldso/ldso/avr32/dl-startup.h')
| -rw-r--r-- | ldso/ldso/avr32/dl-startup.h | 126 |
1 files changed, 63 insertions, 63 deletions
diff --git a/ldso/ldso/avr32/dl-startup.h b/ldso/ldso/avr32/dl-startup.h index 2280b2629..3b9a64176 100644 --- a/ldso/ldso/avr32/dl-startup.h +++ b/ldso/ldso/avr32/dl-startup.h @@ -9,36 +9,36 @@ /* This is the library loader's main entry point. Let _dl_boot2 do its * initializations and jump to the application's entry point * afterwards. */ -asm( " .text\n" - " .global _start\n" - " .type _start,@function\n" - "_start:\n" - /* All arguments are on the stack initially */ - " mov r12, sp\n" - " rcall _dl_start\n" - /* Returns user entry point in r12. Save it. */ - " mov r0, r12\n" - /* We're PIC, so get the Global Offset Table */ - " lddpc r6, .L_GOT\n" - ".L_RGOT:\n" - " rsub r6, pc\n" - /* Adjust argc and argv according to _dl_skip_args */ - " ld.w r1, r6[_dl_skip_args@got]\n" - " ld.w r1, r1[0]\n" - " ld.w r2, sp++\n" - " sub r2, r1\n" - " add sp, sp, r1 << 2\n" - " st.w --sp, r2\n" - /* Load the finalizer function */ - " ld.w r12, r6[_dl_fini@got]\n" - /* Jump to the user's entry point */ - " mov pc, r0\n\n" +asm( " .text\n" + " .global _start\n" + " .type _start,@function\n" + "_start:\n" + /* All arguments are on the stack initially */ + " mov r12, sp\n" + " rcall _dl_start\n" + /* Returns user entry point in r12. Save it. */ + " mov r0, r12\n" + /* We're PIC, so get the Global Offset Table */ + " lddpc r6, .L_GOT\n" + ".L_RGOT:\n" + " rsub r6, pc\n" + /* Adjust argc and argv according to _dl_skip_args */ + " ld.w r1, r6[_dl_skip_args@got]\n" + " ld.w r1, r1[0]\n" + " ld.w r2, sp++\n" + " sub r2, r1\n" + " add sp, sp, r1 << 2\n" + " st.w --sp, r2\n" + /* Load the finalizer function */ + " ld.w r12, r6[_dl_fini@got]\n" + /* Jump to the user's entry point */ + " mov pc, r0\n\n" - " .align 2\n" - ".L_GOT:" - " .long .L_RGOT - _GLOBAL_OFFSET_TABLE_\n" - " .size _start, . - _start\n" - " .previous\n"); + " .align 2\n" + ".L_GOT:" + " .long .L_RGOT - _GLOBAL_OFFSET_TABLE_\n" + " .size _start, . - _start\n" + " .previous\n"); /* 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 @@ -58,13 +58,13 @@ asm( " .text\n" static __always_inline void PERFORM_BOOTSTRAP_GOT(struct elf_resolve *tpnt) { - Elf32_Addr i, nr_got; - register Elf32_Addr *__r6 __asm__("r6"); - Elf32_Addr *got = __r6; + Elf32_Addr i, nr_got; + register Elf32_Addr *__r6 __asm__("r6"); + Elf32_Addr *got = __r6; - nr_got = tpnt->dynamic_info[DT_AVR32_GOTSZ_IDX] / sizeof(*got); - for (i = 2; i < nr_got; i++) - got[i] += tpnt->loadaddr; + nr_got = tpnt->dynamic_info[DT_AVR32_GOTSZ_IDX] / sizeof(*got); + for (i = 2; i < nr_got; i++) + got[i] += tpnt->loadaddr; } #define PERFORM_BOOTSTRAP_GOT(tpnt) PERFORM_BOOTSTRAP_GOT(tpnt) @@ -72,34 +72,34 @@ void PERFORM_BOOTSTRAP_GOT(struct elf_resolve *tpnt) /* Handle relocation of the symbols in the dynamic loader. */ static __always_inline void PERFORM_BOOTSTRAP_RELOC(ELF_RELOC *rpnt, unsigned long *reloc_addr, - unsigned long symbol_addr, - unsigned long load_addr, Elf32_Sym *symtab) + unsigned long symbol_addr, + unsigned long load_addr, Elf32_Sym *symtab) { - switch(ELF32_R_TYPE(rpnt->r_info)) { - case R_AVR32_NONE: - break; - case R_AVR32_GLOB_DAT: - case R_AVR32_JMP_SLOT: - *reloc_addr = symbol_addr; - break; - case R_AVR32_RELATIVE: - SEND_STDERR_DEBUG("Applying RELATIVE relocation: "); - SEND_ADDRESS_STDERR_DEBUG(load_addr, 0); - SEND_STDERR_DEBUG(" + "); - SEND_ADDRESS_STDERR_DEBUG(rpnt->r_addend, 1); - *reloc_addr = load_addr + rpnt->r_addend; - break; - default: - SEND_STDERR("BOOTSTRAP_RELOC: unhandled reloc_type "); - SEND_NUMBER_STDERR(ELF32_R_TYPE(rpnt->r_info), 1); - SEND_STDERR("REL, SYMBOL, LOAD: "); - SEND_ADDRESS_STDERR(reloc_addr, 0); - SEND_STDERR(", "); - SEND_ADDRESS_STDERR(symbol_addr, 0); - SEND_STDERR(", "); - SEND_ADDRESS_STDERR(load_addr, 1); - _dl_exit(1); - } + switch(ELF32_R_TYPE(rpnt->r_info)) { + case R_AVR32_NONE: + break; + case R_AVR32_GLOB_DAT: + case R_AVR32_JMP_SLOT: + *reloc_addr = symbol_addr; + break; + case R_AVR32_RELATIVE: + SEND_STDERR_DEBUG("Applying RELATIVE relocation: "); + SEND_ADDRESS_STDERR_DEBUG(load_addr, 0); + SEND_STDERR_DEBUG(" + "); + SEND_ADDRESS_STDERR_DEBUG(rpnt->r_addend, 1); + *reloc_addr = load_addr + rpnt->r_addend; + break; + default: + SEND_STDERR("BOOTSTRAP_RELOC: unhandled reloc_type "); + SEND_NUMBER_STDERR(ELF32_R_TYPE(rpnt->r_info), 1); + SEND_STDERR("REL, SYMBOL, LOAD: "); + SEND_ADDRESS_STDERR(reloc_addr, 0); + SEND_STDERR(", "); + SEND_ADDRESS_STDERR(symbol_addr, 0); + SEND_STDERR(", "); + SEND_ADDRESS_STDERR(load_addr, 1); + _dl_exit(1); + } } /* Transfer control to the user's application, once the dynamic loader @@ -109,4 +109,4 @@ void PERFORM_BOOTSTRAP_RELOC(ELF_RELOC *rpnt, unsigned long *reloc_addr, * Since our _dl_boot will simply call whatever is returned by * _dl_boot2, we can just return the address we're supposed to * call. */ -#define START() return _dl_elf_main; +#define START() return _dl_elf_main; |