1 #define LDSO_ARCH "x32" 2 3 /* FIXME: x32 is very strange in its use of 64-bit relocation types in 4 * a 32-bit environment. As long as the memory at reloc_addr is 5 * zero-filled prior to relocations, just treating 64-bit relocations 6 * as operating on 32-bit slots should be fine, but this should be 7 * checked. In particular, R_X86_64_64, R_X86_64_DTPOFF64, and 8 * R_X86_64_TPOFF64 may need checking. */ 9 10 /* The R_X86_64_64, R_X86_64_DTPOFF32, and R_X86_64_TPOFF32 reloc types 11 * were previously mapped in the switch table form of this file; however, 12 * they do not seem to be used/usable for anything. If needed, new 13 * mappings will have to be added. */ 14 15 #define REL_SYMBOLIC R_X86_64_32 16 #define REL_OFFSET R_X86_64_PC32 17 #define REL_GOT R_X86_64_GLOB_DAT 18 #define REL_PLT R_X86_64_JUMP_SLOT 19 #define REL_RELATIVE R_X86_64_RELATIVE 20 #define REL_COPY R_X86_64_COPY 21 #define REL_DTPMOD R_X86_64_DTPMOD64 22 #define REL_DTPOFF R_X86_64_DTPOFF64 23 #define REL_TPOFF R_X86_64_TPOFF64 24 25 #define CRTJMP(pc,sp) __asm__ __volatile__( \ 26 "mov %1,%%esp ; jmp *%0" : : "r"((uint64_t)(uintptr_t)pc), "r"(sp) : "memory" ) 27 28 #define GETFUNCSYM(fp, sym, got) __asm__ ( \ 29 ".hidden " #sym "\n" \ 30 " lea " #sym "(%%rip),%0\n" \ 31 : "=r"(*fp) : : "memory" ) 32