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