diff mbox series

[v2,22/41] target/arm: Use raise_sigsegv for mte tag lookup

Message ID 20210918184527.408540-23-richard.henderson@linaro.org
State Superseded
Headers show
Series linux-user: Streamline handling of SIGSEGV | expand

Commit Message

Richard Henderson Sept. 18, 2021, 6:45 p.m. UTC 
Use the new os interface for raising the exception,
rather than calling arm_cpu_tlb_fill directly.

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

---
 target/arm/mte_helper.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

-- 
2.25.1
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Patch

diff --git a/target/arm/mte_helper.c b/target/arm/mte_helper.c
index 724175210b..2575e65860 100644
--- a/target/arm/mte_helper.c
+++ b/target/arm/mte_helper.c
@@ -84,10 +84,8 @@  static uint8_t *allocation_tag_mem(CPUARMState *env, int ptr_mmu_idx,
     uintptr_t index;
 
     if (!(flags & (ptr_access == MMU_DATA_STORE ? PAGE_WRITE_ORG : PAGE_READ))) {
-        /* SIGSEGV */
-        arm_cpu_tlb_fill(env_cpu(env), ptr, ptr_size, ptr_access,
-                         ptr_mmu_idx, false, ra);
-        g_assert_not_reached();
+        raise_sigsegv(env_cpu(env), ptr, ptr_access,
+                      !(flags & PAGE_VALID), ra);
     }
 
     /* Require both MAP_ANON and PROT_MTE for the page. */