diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/elf.h | 3 | ||||
| -rw-r--r-- | include/exec/exec-all.h | 95 |
2 files changed, 5 insertions, 93 deletions
diff --git a/include/elf.h b/include/elf.h index cd51434877..e8a515ce3d 100644 --- a/include/elf.h +++ b/include/elf.h @@ -942,8 +942,9 @@ typedef struct { #define R_390_TLS_DTPOFF 55 /* Offset in TLS block. */ #define R_390_TLS_TPOFF 56 /* Negate offset in static TLS block. */ +#define R_390_20 57 /* Keep this the last entry. */ -#define R_390_NUM 57 +#define R_390_NUM 58 /* x86-64 relocation types */ #define R_X86_64_NONE 0 /* No reloc */ diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index ff8fbe423d..673fc066d0 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -301,15 +301,6 @@ static inline void tb_invalidate_phys_addr(AddressSpace *as, hwaddr addr) #define CODE_GEN_AVG_BLOCK_SIZE 150 #endif -#if defined(_ARCH_PPC) \ - || defined(__x86_64__) || defined(__i386__) \ - || defined(__sparc__) || defined(__aarch64__) \ - || defined(__s390x__) || defined(__mips__) \ - || defined(CONFIG_TCG_INTERPRETER) -/* NOTE: Direct jump patching must be atomic to be thread-safe. */ -#define USE_DIRECT_JUMP -#endif - struct TranslationBlock { target_ulong pc; /* simulated PC corresponding to this block (EIP + CS base) */ target_ulong cs_base; /* CS base for this block */ @@ -347,11 +338,8 @@ struct TranslationBlock { */ uint16_t jmp_reset_offset[2]; /* offset of original jump target */ #define TB_JMP_RESET_OFFSET_INVALID 0xffff /* indicates no jump generated */ -#ifdef USE_DIRECT_JUMP - uint16_t jmp_insn_offset[2]; /* offset of native jump instruction */ -#else - uintptr_t jmp_target_addr[2]; /* target address for indirect jump */ -#endif + uintptr_t jmp_target_arg[2]; /* target address or offset */ + /* Each TB has an assosiated circular list of TBs jumping to this one. * jmp_list_first points to the first TB jumping to this one. * jmp_list_next is used to point to the next TB in a list. @@ -373,84 +361,7 @@ void tb_flush(CPUState *cpu); void tb_phys_invalidate(TranslationBlock *tb, tb_page_addr_t page_addr); TranslationBlock *tb_htable_lookup(CPUState *cpu, target_ulong pc, target_ulong cs_base, uint32_t flags); - -#if defined(USE_DIRECT_JUMP) - -#if defined(CONFIG_TCG_INTERPRETER) -static inline void tb_set_jmp_target1(uintptr_t jmp_addr, uintptr_t addr) -{ - /* patch the branch destination */ - atomic_set((int32_t *)jmp_addr, addr - (jmp_addr + 4)); - /* no need to flush icache explicitly */ -} -#elif defined(_ARCH_PPC) -void ppc_tb_set_jmp_target(uintptr_t jmp_addr, uintptr_t addr); -#define tb_set_jmp_target1 ppc_tb_set_jmp_target -#elif defined(__i386__) || defined(__x86_64__) -static inline void tb_set_jmp_target1(uintptr_t jmp_addr, uintptr_t addr) -{ - /* patch the branch destination */ - atomic_set((int32_t *)jmp_addr, addr - (jmp_addr + 4)); - /* no need to flush icache explicitly */ -} -#elif defined(__s390x__) -static inline void tb_set_jmp_target1(uintptr_t jmp_addr, uintptr_t addr) -{ - /* patch the branch destination */ - intptr_t disp = addr - (jmp_addr - 2); - atomic_set((int32_t *)jmp_addr, disp / 2); - /* no need to flush icache explicitly */ -} -#elif defined(__aarch64__) -void aarch64_tb_set_jmp_target(uintptr_t jmp_addr, uintptr_t addr); -#define tb_set_jmp_target1 aarch64_tb_set_jmp_target -#elif defined(__sparc__) || defined(__mips__) -void tb_set_jmp_target1(uintptr_t jmp_addr, uintptr_t addr); -#else -#error tb_set_jmp_target1 is missing -#endif - -static inline void tb_set_jmp_target(TranslationBlock *tb, - int n, uintptr_t addr) -{ - uint16_t offset = tb->jmp_insn_offset[n]; - tb_set_jmp_target1((uintptr_t)(tb->tc_ptr + offset), addr); -} - -#else - -/* set the jump target */ -static inline void tb_set_jmp_target(TranslationBlock *tb, - int n, uintptr_t addr) -{ - tb->jmp_target_addr[n] = addr; -} - -#endif - -/* Called with tb_lock held. */ -static inline void tb_add_jump(TranslationBlock *tb, int n, - TranslationBlock *tb_next) -{ - assert(n < ARRAY_SIZE(tb->jmp_list_next)); - if (tb->jmp_list_next[n]) { - /* Another thread has already done this while we were - * outside of the lock; nothing to do in this case */ - return; - } - qemu_log_mask_and_addr(CPU_LOG_EXEC, tb->pc, - "Linking TBs %p [" TARGET_FMT_lx - "] index %d -> %p [" TARGET_FMT_lx "]\n", - tb->tc_ptr, tb->pc, n, - tb_next->tc_ptr, tb_next->pc); - - /* patch the native jump address */ - tb_set_jmp_target(tb, n, (uintptr_t)tb_next->tc_ptr); - - /* add in TB jmp circular list */ - tb->jmp_list_next[n] = tb_next->jmp_list_first; - tb_next->jmp_list_first = (uintptr_t)tb | n; -} +void tb_set_jmp_target(TranslationBlock *tb, int n, uintptr_t addr); /* GETPC is the true target of the return instruction that we'll execute. */ #if defined(CONFIG_TCG_INTERPRETER) |