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[Qemu-trivial] [PATCH] Add support for the arm breakpoint syscall.
From: |
Hunter Laux |
Subject: |
[Qemu-trivial] [PATCH] Add support for the arm breakpoint syscall. |
Date: |
Fri, 20 Jun 2014 02:14:04 -0700 |
---
linux-user/arm/syscall.h | 1 +
linux-user/main.c | 4 ++++
2 files changed, 5 insertions(+)
diff --git a/linux-user/arm/syscall.h b/linux-user/arm/syscall.h
index ce2c2a8..e0d2cc3 100644
--- a/linux-user/arm/syscall.h
+++ b/linux-user/arm/syscall.h
@@ -29,6 +29,7 @@ struct target_pt_regs {
#define ARM_THUMB_SYSCALL 0
#define ARM_NR_BASE 0xf0000
+#define ARM_NR_breakpoint (ARM_NR_BASE + 1)
#define ARM_NR_cacheflush (ARM_NR_BASE + 2)
#define ARM_NR_set_tls (ARM_NR_BASE + 5)
diff --git a/linux-user/main.c b/linux-user/main.c
index a87c6f7..831b363 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -807,6 +807,9 @@ void cpu_loop(CPUARMState *env)
cpu_set_tls(env, env->regs[0]);
env->regs[0] = 0;
break;
+ case ARM_NR_breakpoint:
+ env->regs[15] -= env->thumb ? 2 : 4;
+ goto excp_debug;
default:
gemu_log("qemu: Unsupported ARM syscall: 0x%x\n",
n);
@@ -850,6 +853,7 @@ void cpu_loop(CPUARMState *env)
}
break;
case EXCP_DEBUG:
+ excp_debug:
{
int sig;
--
1.9.1
- [Qemu-trivial] [PATCH] Add support for the arm breakpoint syscall.,
Hunter Laux <=