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[Qemu-devel] [PATCH v3 1/2] target-arm: Fix GDB breakpoint handling
From: |
Sergey Fedorov |
Subject: |
[Qemu-devel] [PATCH v3 1/2] target-arm: Fix GDB breakpoint handling |
Date: |
Tue, 13 Oct 2015 12:56:27 +0300 |
GDB breakpoints have higher priority so they have to be checked first.
Should GDB breakpoint match, just return from the debug exception
handler.
Signed-off-by: Sergey Fedorov <address@hidden>
---
target-arm/op_helper.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/target-arm/op_helper.c b/target-arm/op_helper.c
index 1425a1d..67b18c0 100644
--- a/target-arm/op_helper.c
+++ b/target-arm/op_helper.c
@@ -897,6 +897,12 @@ void arm_debug_excp_handler(CPUState *cs)
}
}
} else {
+ uint64_t pc = is_a64(env) ? env->pc : env->regs[15];
+
+ if (cpu_breakpoint_test(cs, pc, BP_GDB)) {
+ return;
+ }
+
if (check_breakpoints(cpu)) {
bool same_el = (arm_debug_target_el(env) == arm_current_el(env));
if (extended_addresses_enabled(env)) {
--
1.9.1