Re: [Qemu-devel] [ARM/FDPIC 4/4] linux-user: ARM-FDPIC: Add arm get tls syscall support

[Christophe Lyon]

On 13/04/2018 17:03, Peter Maydell wrote:

On 6 April 2018 at 16:17, Christophe Lyon  wrote:

Co-Authored-By: Mickaël Guêné 
Signed-off-by: Christophe Lyon 

diff --git a/linux-user/arm/target_syscall.h b/linux-user/arm/target_syscall.h
index 94e2a42..afc0772 100644
--- a/linux-user/arm/target_syscall.h
+++ b/linux-user/arm/target_syscall.h
@@ -16,6 +16,7 @@ struct target_pt_regs {
  #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)
+#define ARM_NR_get_tls(ARM_NR_BASE + 6)

  #define ARM_NR_semihosting   0x123456
  #define ARM_NR_thumb_semihosting  0xAB
diff --git a/linux-user/main.c b/linux-user/main.c
index 00810d6..1814578 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -720,6 +720,9 @@ void cpu_loop(CPUARMState *env)
  case ARM_NR_breakpoint:
  env->regs[15] -= env->thumb ? 2 : 4;
  goto excp_debug;
+case ARM_NR_get_tls:
+env->regs[0] = cpu_get_tls(env);
+break;
  default:
  gemu_log("qemu: Unsupported ARM syscall: 0x%x\n",
   n);


Reviewed-by: Peter Maydell 

This is a bug fix unrelated to FDPIC, I think.



Right, I'll resubmit it with an updated commit message.


thanks
-- PMM
.

Re: [Qemu-devel] [ARM/FDPIC 4/4] linux-user: ARM-FDPIC: Add arm get tls syscall support

[Peter Maydell]

On 6 April 2018 at 16:17, Christophe Lyon  wrote:
> Co-Authored-By: Mickaël Guêné 
> Signed-off-by: Christophe Lyon 
>
> diff --git a/linux-user/arm/target_syscall.h b/linux-user/arm/target_syscall.h
> index 94e2a42..afc0772 100644
> --- a/linux-user/arm/target_syscall.h
> +++ b/linux-user/arm/target_syscall.h
> @@ -16,6 +16,7 @@ struct target_pt_regs {
>  #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)
> +#define ARM_NR_get_tls(ARM_NR_BASE + 6)
>
>  #define ARM_NR_semihosting   0x123456
>  #define ARM_NR_thumb_semihosting  0xAB
> diff --git a/linux-user/main.c b/linux-user/main.c
> index 00810d6..1814578 100644
> --- a/linux-user/main.c
> +++ b/linux-user/main.c
> @@ -720,6 +720,9 @@ void cpu_loop(CPUARMState *env)
>  case ARM_NR_breakpoint:
>  env->regs[15] -= env->thumb ? 2 : 4;
>  goto excp_debug;
> +case ARM_NR_get_tls:
> +env->regs[0] = cpu_get_tls(env);
> +break;
>  default:
>  gemu_log("qemu: Unsupported ARM syscall: 0x%x\n",
>   n);

Reviewed-by: Peter Maydell 

This is a bug fix unrelated to FDPIC, I think.

thanks
-- PMM

[Qemu-devel] [ARM/FDPIC 4/4] linux-user: ARM-FDPIC: Add arm get tls syscall support

[Christophe Lyon]

Co-Authored-By: Mickaël Guêné 
Signed-off-by: Christophe Lyon 

diff --git a/linux-user/arm/target_syscall.h b/linux-user/arm/target_syscall.h
index 94e2a42..afc0772 100644
--- a/linux-user/arm/target_syscall.h
+++ b/linux-user/arm/target_syscall.h
@@ -16,6 +16,7 @@ struct target_pt_regs {
 #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)
+#define ARM_NR_get_tls(ARM_NR_BASE + 6)
 
 #define ARM_NR_semihosting   0x123456
 #define ARM_NR_thumb_semihosting  0xAB
diff --git a/linux-user/main.c b/linux-user/main.c
index 00810d6..1814578 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -720,6 +720,9 @@ void cpu_loop(CPUARMState *env)
 case ARM_NR_breakpoint:
 env->regs[15] -= env->thumb ? 2 : 4;
 goto excp_debug;
+case ARM_NR_get_tls:
+env->regs[0] = cpu_get_tls(env);
+break;
 default:
 gemu_log("qemu: Unsupported ARM syscall: 0x%x\n",
  n);
-- 
2.6.3