diff mbox series

[3/1] target/arm: Fix GETPC usage in do_paired_cmpxchg64_l/be

Message ID 20171114134153.11167-1-richard.henderson@linaro.org
State Superseded
Headers show
Series tcg: Record code_gen_buffer address for user-only memory helpers | expand

Commit Message

Richard Henderson Nov. 14, 2017, 1:41 p.m. UTC 
Use of GETPC must be restricted to those functions that are
directly called from TCG generated code.

Fixes: 2399d4e7cec22ecf1c51062d2ebfd45220dbaace
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 target/arm/helper-a64.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

-- 
2.12.0

Comments

Alex Bennée Nov. 14, 2017, 4:11 p.m. UTC | #1 
Richard Henderson <richard.henderson@linaro.org> writes:

> Use of GETPC must be restricted to those functions that are

> directly called from TCG generated code.

>

> Fixes: 2399d4e7cec22ecf1c51062d2ebfd45220dbaace

> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>


Reviewed-by: Alex Bennée <alex.bennee@linaro.org>


> ---

>  target/arm/helper-a64.c | 14 ++++++--------

>  1 file changed, 6 insertions(+), 8 deletions(-)

>

> diff --git a/target/arm/helper-a64.c b/target/arm/helper-a64.c

> index 96a3ecf707..b84ebcae6e 100644

> --- a/target/arm/helper-a64.c

> +++ b/target/arm/helper-a64.c

> @@ -432,9 +432,8 @@ uint64_t HELPER(crc32c_64)(uint64_t acc, uint64_t val, uint32_t bytes)

>  /* Returns 0 on success; 1 otherwise.  */

>  static uint64_t do_paired_cmpxchg64_le(CPUARMState *env, uint64_t addr,

>                                         uint64_t new_lo, uint64_t new_hi,

> -                                       bool parallel)

> +                                       bool parallel, uintptr_t ra)

>  {

> -    uintptr_t ra = GETPC();

>      Int128 oldv, cmpv, newv;

>      bool success;

>

> @@ -491,20 +490,19 @@ static uint64_t do_paired_cmpxchg64_le(CPUARMState *env, uint64_t addr,

>  uint64_t HELPER(paired_cmpxchg64_le)(CPUARMState *env, uint64_t addr,

>                                                uint64_t new_lo, uint64_t new_hi)

>  {

> -    return do_paired_cmpxchg64_le(env, addr, new_lo, new_hi, false);

> +    return do_paired_cmpxchg64_le(env, addr, new_lo, new_hi, false, GETPC());

>  }

>

>  uint64_t HELPER(paired_cmpxchg64_le_parallel)(CPUARMState *env, uint64_t addr,

>                                                uint64_t new_lo, uint64_t new_hi)

>  {

> -    return do_paired_cmpxchg64_le(env, addr, new_lo, new_hi, true);

> +    return do_paired_cmpxchg64_le(env, addr, new_lo, new_hi, true, GETPC());

>  }

>

>  static uint64_t do_paired_cmpxchg64_be(CPUARMState *env, uint64_t addr,

>                                         uint64_t new_lo, uint64_t new_hi,

> -                                       bool parallel)

> +                                       bool parallel, uintptr_t ra)

>  {

> -    uintptr_t ra = GETPC();

>      Int128 oldv, cmpv, newv;

>      bool success;

>

> @@ -561,11 +559,11 @@ static uint64_t do_paired_cmpxchg64_be(CPUARMState *env, uint64_t addr,

>  uint64_t HELPER(paired_cmpxchg64_be)(CPUARMState *env, uint64_t addr,

>                                       uint64_t new_lo, uint64_t new_hi)

>  {

> -    return do_paired_cmpxchg64_be(env, addr, new_lo, new_hi, false);

> +    return do_paired_cmpxchg64_be(env, addr, new_lo, new_hi, false, GETPC());

>  }

>

>  uint64_t HELPER(paired_cmpxchg64_be_parallel)(CPUARMState *env, uint64_t addr,

>                                       uint64_t new_lo, uint64_t new_hi)

>  {

> -    return do_paired_cmpxchg64_be(env, addr, new_lo, new_hi, true);

> +    return do_paired_cmpxchg64_be(env, addr, new_lo, new_hi, true, GETPC());

>  }



--
Alex Bennée
diff mbox series

Patch

diff --git a/target/arm/helper-a64.c b/target/arm/helper-a64.c
index 96a3ecf707..b84ebcae6e 100644
--- a/target/arm/helper-a64.c
+++ b/target/arm/helper-a64.c
@@ -432,9 +432,8 @@  uint64_t HELPER(crc32c_64)(uint64_t acc, uint64_t val, uint32_t bytes)
 /* Returns 0 on success; 1 otherwise.  */
 static uint64_t do_paired_cmpxchg64_le(CPUARMState *env, uint64_t addr,
                                        uint64_t new_lo, uint64_t new_hi,
-                                       bool parallel)
+                                       bool parallel, uintptr_t ra)
 {
-    uintptr_t ra = GETPC();
     Int128 oldv, cmpv, newv;
     bool success;
 
@@ -491,20 +490,19 @@  static uint64_t do_paired_cmpxchg64_le(CPUARMState *env, uint64_t addr,
 uint64_t HELPER(paired_cmpxchg64_le)(CPUARMState *env, uint64_t addr,
                                               uint64_t new_lo, uint64_t new_hi)
 {
-    return do_paired_cmpxchg64_le(env, addr, new_lo, new_hi, false);
+    return do_paired_cmpxchg64_le(env, addr, new_lo, new_hi, false, GETPC());
 }
 
 uint64_t HELPER(paired_cmpxchg64_le_parallel)(CPUARMState *env, uint64_t addr,
                                               uint64_t new_lo, uint64_t new_hi)
 {
-    return do_paired_cmpxchg64_le(env, addr, new_lo, new_hi, true);
+    return do_paired_cmpxchg64_le(env, addr, new_lo, new_hi, true, GETPC());
 }
 
 static uint64_t do_paired_cmpxchg64_be(CPUARMState *env, uint64_t addr,
                                        uint64_t new_lo, uint64_t new_hi,
-                                       bool parallel)
+                                       bool parallel, uintptr_t ra)
 {
-    uintptr_t ra = GETPC();
     Int128 oldv, cmpv, newv;
     bool success;
 
@@ -561,11 +559,11 @@  static uint64_t do_paired_cmpxchg64_be(CPUARMState *env, uint64_t addr,
 uint64_t HELPER(paired_cmpxchg64_be)(CPUARMState *env, uint64_t addr,
                                      uint64_t new_lo, uint64_t new_hi)
 {
-    return do_paired_cmpxchg64_be(env, addr, new_lo, new_hi, false);
+    return do_paired_cmpxchg64_be(env, addr, new_lo, new_hi, false, GETPC());
 }
 
 uint64_t HELPER(paired_cmpxchg64_be_parallel)(CPUARMState *env, uint64_t addr,
                                      uint64_t new_lo, uint64_t new_hi)
 {
-    return do_paired_cmpxchg64_be(env, addr, new_lo, new_hi, true);
+    return do_paired_cmpxchg64_be(env, addr, new_lo, new_hi, true, GETPC());
 }