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| author | Rich Felker <dalias@aerifal.cx> | 2015-09-17 07:28:44 +0000 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2015-09-17 07:28:44 +0000 |
| commit | 12b0b7d8eab5ec428b779d83bd3c6edad2f31993 (patch) | |
| tree | 10ec9dfb820f6b788633a609e4ce93ecafc97292 /arch | |
| parent | c16182680c9ac8ad65f8ff38f6ae170feb0d33c7 (diff) | |
| download | musl-12b0b7d8eab5ec428b779d83bd3c6edad2f31993.tar.gz | |
new dlstart stage-2 chaining for x86_64 and x32
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x32/reloc.h | 5 | ||||
| -rw-r--r-- | arch/x86_64/reloc.h | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/arch/x32/reloc.h b/arch/x32/reloc.h index 574f44a7..dc039adf 100644 --- a/arch/x32/reloc.h +++ b/arch/x32/reloc.h @@ -24,3 +24,8 @@ #define CRTJMP(pc,sp) __asm__ __volatile__( \ "mov %1,%%esp ; jmp *%0" : : "r"((uint64_t)(uintptr_t)pc), "r"(sp) : "memory" ) + +#define GETFUNCSYM(fp, sym, got) __asm__ ( \ + ".hidden " #sym "\n" \ + " lea " #sym "(%%rip),%0\n" \ + : "=r"(*fp) : : "memory" ) diff --git a/arch/x86_64/reloc.h b/arch/x86_64/reloc.h index 84c075c3..fac0c0ae 100644 --- a/arch/x86_64/reloc.h +++ b/arch/x86_64/reloc.h @@ -13,3 +13,8 @@ #define CRTJMP(pc,sp) __asm__ __volatile__( \ "mov %1,%%rsp ; jmp *%0" : : "r"(pc), "r"(sp) : "memory" ) + +#define GETFUNCSYM(fp, sym, got) __asm__ ( \ + ".hidden " #sym "\n" \ + " lea " #sym "(%%rip),%0\n" \ + : "=r"(*fp) : : "memory" ) |