1*c9945492SAndroid Build Coastguard Worker #define LDSO_ARCH "x32" 2*c9945492SAndroid Build Coastguard Worker 3*c9945492SAndroid Build Coastguard Worker /* FIXME: x32 is very strange in its use of 64-bit relocation types in 4*c9945492SAndroid Build Coastguard Worker * a 32-bit environment. As long as the memory at reloc_addr is 5*c9945492SAndroid Build Coastguard Worker * zero-filled prior to relocations, just treating 64-bit relocations 6*c9945492SAndroid Build Coastguard Worker * as operating on 32-bit slots should be fine, but this should be 7*c9945492SAndroid Build Coastguard Worker * checked. In particular, R_X86_64_64, R_X86_64_DTPOFF64, and 8*c9945492SAndroid Build Coastguard Worker * R_X86_64_TPOFF64 may need checking. */ 9*c9945492SAndroid Build Coastguard Worker 10*c9945492SAndroid Build Coastguard Worker /* The R_X86_64_64, R_X86_64_DTPOFF32, and R_X86_64_TPOFF32 reloc types 11*c9945492SAndroid Build Coastguard Worker * were previously mapped in the switch table form of this file; however, 12*c9945492SAndroid Build Coastguard Worker * they do not seem to be used/usable for anything. If needed, new 13*c9945492SAndroid Build Coastguard Worker * mappings will have to be added. */ 14*c9945492SAndroid Build Coastguard Worker 15*c9945492SAndroid Build Coastguard Worker #define REL_SYMBOLIC R_X86_64_32 16*c9945492SAndroid Build Coastguard Worker #define REL_OFFSET R_X86_64_PC32 17*c9945492SAndroid Build Coastguard Worker #define REL_GOT R_X86_64_GLOB_DAT 18*c9945492SAndroid Build Coastguard Worker #define REL_PLT R_X86_64_JUMP_SLOT 19*c9945492SAndroid Build Coastguard Worker #define REL_RELATIVE R_X86_64_RELATIVE 20*c9945492SAndroid Build Coastguard Worker #define REL_COPY R_X86_64_COPY 21*c9945492SAndroid Build Coastguard Worker #define REL_DTPMOD R_X86_64_DTPMOD64 22*c9945492SAndroid Build Coastguard Worker #define REL_DTPOFF R_X86_64_DTPOFF64 23*c9945492SAndroid Build Coastguard Worker #define REL_TPOFF R_X86_64_TPOFF64 24*c9945492SAndroid Build Coastguard Worker 25*c9945492SAndroid Build Coastguard Worker #define CRTJMP(pc,sp) __asm__ __volatile__( \ 26*c9945492SAndroid Build Coastguard Worker "mov %1,%%esp ; jmp *%0" : : "r"((uint64_t)(uintptr_t)pc), "r"(sp) : "memory" ) 27*c9945492SAndroid Build Coastguard Worker 28*c9945492SAndroid Build Coastguard Worker #define GETFUNCSYM(fp, sym, got) __asm__ ( \ 29*c9945492SAndroid Build Coastguard Worker ".hidden " #sym "\n" \ 30*c9945492SAndroid Build Coastguard Worker " lea " #sym "(%%rip),%0\n" \ 31*c9945492SAndroid Build Coastguard Worker : "=r"(*fp) : : "memory" ) 32