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authorPavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>2015-07-10 12:57:13 +0300
committerRichard Henderson <rth@twiddle.net>2015-09-15 12:28:16 -0700
commit9198009529d06b6489b68a7505942cca3a50893f (patch)
tree43095c5a95cfa5c88a6db15bc1df3c9aa20848b7
parent619622424dba749feef752d76d79ef2569f7f250 (diff)
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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 <aurelien@aurel32.net> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> Signed-off-by: Richard Henderson <rth@twiddle.net>
-rw-r--r--target-i386/cpu.h4
-rw-r--r--target-i386/excp_helper.c30
2 files changed, 21 insertions, 13 deletions
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index af97772..3bcf2f6 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 99fca84..5e347bc 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);
}