diff options
Diffstat (limited to 'arch/i386')
-rw-r--r-- | arch/i386/crt_arch.h | 29 | ||||
-rw-r--r-- | arch/i386/reloc.h | 45 |
2 files changed, 30 insertions, 44 deletions
diff --git a/arch/i386/crt_arch.h b/arch/i386/crt_arch.h index ae694f9..43c8477 100644 --- a/arch/i386/crt_arch.h +++ b/arch/i386/crt_arch.h @@ -1,13 +1,16 @@ -__asm__("\ -.text \n\ -.global _start \n\ -_start: \n\ - xor %ebp,%ebp \n\ - mov %esp,%eax \n\ - and $-16,%esp \n\ - push %eax \n\ - push %eax \n\ - push %eax \n\ - push %eax \n\ - call __cstart \n\ -"); +__asm__( +".text\n" +".weak _DYNAMIC \n" +".hidden _DYNAMIC \n" +".global " START "\n" +START ":\n" +" xor %ebp,%ebp \n" +" mov %esp,%eax \n" +" and $-16,%esp \n" +" push %eax \n" +" push %eax \n" +" call 1f \n" +"1: addl $_DYNAMIC-1b,(%esp) \n" +" push %eax \n" +" call " START "_c \n" +); diff --git a/arch/i386/reloc.h b/arch/i386/reloc.h index eaf5aae..b52ef40 100644 --- a/arch/i386/reloc.h +++ b/arch/i386/reloc.h @@ -1,33 +1,16 @@ -#include <string.h> -#include <elf.h> - #define LDSO_ARCH "i386" -static int remap_rel(int type) -{ - switch(type) { - case R_386_32: - return REL_SYMBOLIC; - case R_386_PC32: - return REL_OFFSET; - case R_386_GLOB_DAT: - return REL_GOT; - case R_386_JMP_SLOT: - return REL_PLT; - case R_386_RELATIVE: - return REL_RELATIVE; - case R_386_COPY: - return REL_COPY; - case R_386_TLS_DTPMOD32: - return REL_DTPMOD; - case R_386_TLS_DTPOFF32: - return REL_DTPOFF; - case R_386_TLS_TPOFF: - return REL_TPOFF; - case R_386_TLS_TPOFF32: - return REL_TPOFF_NEG; - case R_386_TLS_DESC: - return REL_TLSDESC; - } - return 0; -} +#define REL_SYMBOLIC R_386_32 +#define REL_OFFSET R_386_PC32 +#define REL_GOT R_386_GLOB_DAT +#define REL_PLT R_386_JMP_SLOT +#define REL_RELATIVE R_386_RELATIVE +#define REL_COPY R_386_COPY +#define REL_DTPMOD R_386_TLS_DTPMOD32 +#define REL_DTPOFF R_386_TLS_DTPOFF32 +#define REL_TPOFF R_386_TLS_TPOFF +#define REL_TPOFF_NEG R_386_TLS_TPOFF32 +#define REL_TLSDESC R_386_TLS_DESC + +#define CRTJMP(pc,sp) __asm__ __volatile__( \ + "mov %1,%%esp ; jmp *%0" : : "r"(pc), "r"(sp) : "memory" ) |