diff options
Diffstat (limited to 'arch/aarch64')
| -rw-r--r-- | arch/aarch64/crt_arch.h | 13 | ||||
| -rw-r--r-- | arch/aarch64/reloc.h | 38 |
2 files changed, 21 insertions, 30 deletions
diff --git a/arch/aarch64/crt_arch.h b/arch/aarch64/crt_arch.h index 32066881..3a4b321e 100644 --- a/arch/aarch64/crt_arch.h +++ b/arch/aarch64/crt_arch.h @@ -1,9 +1,14 @@ __asm__( -".global _start\n" -".type _start,%function\n" -"_start:\n" +".global " START "\n" +".type " START ",%function\n" +START ":\n" " mov x29, #0\n" " mov x30, #0\n" " mov x0, sp\n" +".weak _DYNAMIC\n" +".hidden _DYNAMIC\n" +" adrp x1, _DYNAMIC\n" +" add x1, x1, #:lo12:_DYNAMIC\n" " and sp, x0, #-16\n" -" b __cstart\n"); +" b " START "_c\n" +); diff --git a/arch/aarch64/reloc.h b/arch/aarch64/reloc.h index e95ae9a8..1b0402bc 100644 --- a/arch/aarch64/reloc.h +++ b/arch/aarch64/reloc.h @@ -1,5 +1,3 @@ -#include <string.h> -#include <elf.h> #include <endian.h> #if __BYTE_ORDER == __BIG_ENDIAN @@ -14,27 +12,15 @@ #define TPOFF_K 16 -static int remap_rel(int type) -{ - switch(type) { - case R_AARCH64_ABS64: - return REL_SYMBOLIC; - case R_AARCH64_GLOB_DAT: - return REL_GOT; - case R_AARCH64_JUMP_SLOT: - return REL_PLT; - case R_AARCH64_RELATIVE: - return REL_RELATIVE; - case R_AARCH64_COPY: - return REL_COPY; - case R_AARCH64_TLS_DTPMOD64: - return REL_DTPMOD; - case R_AARCH64_TLS_DTPREL64: - return REL_DTPOFF; - case R_AARCH64_TLS_TPREL64: - return REL_TPOFF; - case R_AARCH64_TLSDESC: - return REL_TLSDESC; - } - return 0; -} +#define REL_SYMBOLIC R_AARCH64_ABS64 +#define REL_GOT R_AARCH64_GLOB_DAT +#define REL_PLT R_AARCH64_JUMP_SLOT +#define REL_RELATIVE R_AARCH64_RELATIVE +#define REL_COPY R_AARCH64_COPY +#define REL_DTPMOD R_AARCH64_TLS_DTPMOD64 +#define REL_DTPOFF R_AARCH64_TLS_DTPREL64 +#define REL_TPOFF R_AARCH64_TLS_TPREL64 +#define REL_TLSDESC R_AARCH64_TLSDESC + +#define CRTJMP(pc,sp) __asm__ __volatile__( \ + "mov sp,%1 ; bx %0" : : "r"(pc), "r"(sp) : "memory" ) |