From 9198009529d06b6489b68a7505942cca3a50893f Mon Sep 17 00:00:00 2001 From: Pavel Dovgalyuk Date: Fri, 10 Jul 2015 12:57:13 +0300 Subject: [PATCH] target-i386: introduce new raise_exception functions This patch introduces new versions of raise_exception functions that receive TB return address as an argument. Reviewed-by: Aurelien Jarno Reviewed-by: Richard Henderson Signed-off-by: Pavel Dovgalyuk Signed-off-by: Richard Henderson --- target-i386/cpu.h | 4 ++++ target-i386/excp_helper.c | 30 +++++++++++++++++------------- 2 files changed, 21 insertions(+), 13 deletions(-) diff --git a/target-i386/cpu.h b/target-i386/cpu.h index af977726d1..3bcf2f6f73 100644 --- a/target-i386/cpu.h +++ b/target-i386/cpu.h @@ -1267,8 +1267,12 @@ void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank, /* excp_helper.c */ void QEMU_NORETURN raise_exception(CPUX86State *env, int exception_index); +void QEMU_NORETURN raise_exception_ra(CPUX86State *env, int exception_index, + uintptr_t retaddr); void QEMU_NORETURN raise_exception_err(CPUX86State *env, int exception_index, int error_code); +void QEMU_NORETURN raise_exception_err_ra(CPUX86State *env, int exception_index, + int error_code, uintptr_t retaddr); void QEMU_NORETURN raise_interrupt(CPUX86State *nenv, int intno, int is_int, int error_code, int next_eip_addend); diff --git a/target-i386/excp_helper.c b/target-i386/excp_helper.c index 99fca847dd..5e347bc46c 100644 --- a/target-i386/excp_helper.c +++ b/target-i386/excp_helper.c @@ -22,14 +22,6 @@ #include "sysemu/sysemu.h" #include "exec/helper-proto.h" -#if 0 -#define raise_exception_err(env, a, b) \ - do { \ - qemu_log("raise_exception line=%d\n", __LINE__); \ - (raise_exception_err)(env, a, b); \ - } while (0) -#endif - void helper_raise_interrupt(CPUX86State *env, int intno, int next_eip_addend) { raise_interrupt(env, intno, 1, 0, next_eip_addend); @@ -92,7 +84,8 @@ static int check_exception(CPUX86State *env, int intno, int *error_code) */ static void QEMU_NORETURN raise_interrupt2(CPUX86State *env, int intno, int is_int, int error_code, - int next_eip_addend) + int next_eip_addend, + uintptr_t retaddr) { CPUState *cs = CPU(x86_env_get_cpu(env)); @@ -108,7 +101,7 @@ static void QEMU_NORETURN raise_interrupt2(CPUX86State *env, int intno, env->error_code = error_code; env->exception_is_int = is_int; env->exception_next_eip = env->eip + next_eip_addend; - cpu_loop_exit(cs); + cpu_loop_exit_restore(cs, retaddr); } /* shortcuts to generate exceptions */ @@ -116,16 +109,27 @@ static void QEMU_NORETURN raise_interrupt2(CPUX86State *env, int intno, void QEMU_NORETURN raise_interrupt(CPUX86State *env, int intno, int is_int, int error_code, int next_eip_addend) { - raise_interrupt2(env, intno, is_int, error_code, next_eip_addend); + raise_interrupt2(env, intno, is_int, error_code, next_eip_addend, 0); } void raise_exception_err(CPUX86State *env, int exception_index, int error_code) { - raise_interrupt2(env, exception_index, 0, error_code, 0); + raise_interrupt2(env, exception_index, 0, error_code, 0, 0); +} + +void raise_exception_err_ra(CPUX86State *env, int exception_index, + int error_code, uintptr_t retaddr) +{ + raise_interrupt2(env, exception_index, 0, error_code, 0, retaddr); } void raise_exception(CPUX86State *env, int exception_index) { - raise_interrupt2(env, exception_index, 0, 0, 0); + raise_interrupt2(env, exception_index, 0, 0, 0, 0); +} + +void raise_exception_ra(CPUX86State *env, int exception_index, uintptr_t retaddr) +{ + raise_interrupt2(env, exception_index, 0, 0, 0, retaddr); } -- 2.11.0