diff options
Diffstat (limited to 'ldso/ldso/sh64/dl-startup.h')
| -rw-r--r-- | ldso/ldso/sh64/dl-startup.h | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/ldso/ldso/sh64/dl-startup.h b/ldso/ldso/sh64/dl-startup.h deleted file mode 100644 index 9dac5ef2c..000000000 --- a/ldso/ldso/sh64/dl-startup.h +++ /dev/null @@ -1,118 +0,0 @@ -/* Any assembly language/system dependent hacks needed to setup boot1.c so it - * will work as expected and cope with whatever platform specific wierdness is - * needed for this architecture. - */ - -__asm__("" \ -" .section .text..SHmedia32,\"ax\"\n" \ -" .globl _start\n" \ -" .type _start, @function\n" \ -" .hidden _start\n" \ -" .align 5\n" \ -"_start:\n" \ -" ! Set r12 to point to GOT\n" \ -" movi (((datalabel _GLOBAL_OFFSET_TABLE_-(.LZZZ3-.)) >> 16) & 0xffff), r12\n" \ -" shori ((datalabel _GLOBAL_OFFSET_TABLE_-(.LZZZ3-.)) & 0xffff), r12\n" \ -".LZZZ3:\n" \ -" ptrel/u r12, tr0\n" \ -" gettr tr0, r12 ! GOT address\n" \ -" add r18, r63, r11 ! save return address - needed?\n" \ -" add r15, r63, r2 ! arg = stack pointer\n" \ -" pt _dl_start, tr0 ! should work even if PIC\n" \ -" blink tr0, r18 ! call _dl_start - user EP is in r2\n" \ -" add r2, r63, r28\n" \ -" movi (((_dl_fini@GOT) >> 16) & 0xffff), r1\n" \ -" shori ((_dl_fini@GOT) & 0xffff), r1\n" \ -" ldx.l r1, r12, r2\n" \ -" add r11, r63, r18\n" \ -" ptabs/l r28, tr0\n" \ -" blink tr0, r63\n" \ -" .size _start,.-_start\n" -" .previous\n" -); - -/* - * Get a pointer to the argv array. On many platforms this can be just - * the address of 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)+1) - -/* - * 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. - */ - -#include <elf.h> - -#define PERFORM_BOOTSTRAP_RELOC(RELP,REL,SYMBOL,LOAD,SYMTAB) \ - const unsigned int r_type = ELF_R_TYPE((RELP)->r_info); \ - int lsb = !!((SYMTAB)->st_other & STO_SH5_ISA32); \ - \ - switch (r_type) { \ - case R_SH_REL32: \ - *(REL) = (SYMBOL) + (RELP)->r_addend \ - - (unsigned long)(REL); \ - break; \ - case R_SH_DIR32: \ - case R_SH_GLOB_DAT: \ - case R_SH_JMP_SLOT: \ - *(REL) = ((SYMBOL) + (RELP)->r_addend) | lsb; \ - break; \ - case R_SH_RELATIVE: \ - *(REL) = (LOAD) + (RELP)->r_addend; \ - break; \ - case R_SH_RELATIVE_LOW16: \ - case R_SH_RELATIVE_MEDLOW16: \ - { \ - unsigned long word, value; \ - \ - word = (unsigned long)(REL) & ~0x3fffc00; \ - value = (LOAD) + (RELP)->r_addend; \ - \ - if (r_type == R_SH_RELATIVE_MEDLOW16) \ - value >>= 16; \ - \ - word |= (value & 0xffff) << 10; \ - *(REL) = word; \ - break; \ - } \ - case R_SH_IMM_LOW16: \ - case R_SH_IMM_MEDLOW16: \ - { \ - unsigned long word, value; \ - \ - word = (unsigned long)(REL) & ~0x3fffc00; \ - value = ((SYMBOL) + (RELP)->r_addend) | lsb; \ - \ - if (r_type == R_SH_IMM_MEDLOW16) \ - value >>= 16; \ - \ - word |= (value & 0xffff) << 10; \ - *(REL) = word; \ - break; \ - } \ - case R_SH_IMM_LOW16_PCREL: \ - case R_SH_IMM_MEDLOW16_PCREL: \ - { \ - unsigned long word, value; \ - \ - word = (unsigned long)(REL) & ~0x3fffc00; \ - value = (SYMBOL) + (RELP)->r_addend \ - - (unsigned long)(REL); \ - \ - if (r_type == R_SH_IMM_MEDLOW16_PCREL) \ - value >>= 16; \ - \ - word |= (value & 0xffff) << 10; \ - *(REL) = word; \ - break; \ - } \ - case R_SH_NONE: \ - break; \ - default: \ - _dl_exit(1); \ - } |