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authorYulong Wang <[email protected]>2025-07-12 13:10:48 +0000
committerRbb666 <[email protected]>2025-07-23 09:38:35 +0800
commite7a40ae6ec1fdcb0d74a4902cfbd50aee7ee8e8f (patch)
tree07a0746d811356206dfe332e5318862a034063c2 /libcpu
parent3c046646cbba093c5ffaf2721d11391a5417fe2a (diff)
[lwp][rv64] restore tp register in arch_thread_signal_enter to fix user-mode memory access
Diffstat (limited to 'libcpu')
-rw-r--r--libcpu/risc-v/common64/stackframe.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/libcpu/risc-v/common64/stackframe.h b/libcpu/risc-v/common64/stackframe.h
index f6311a76fe..25346db9bd 100644
--- a/libcpu/risc-v/common64/stackframe.h
+++ b/libcpu/risc-v/common64/stackframe.h
@@ -41,6 +41,7 @@
#define FRAME_OFF_SSTATUS BYTES(2)
#define FRAME_OFF_SP BYTES(32)
#define FRAME_OFF_GP BYTES(3)
+#define FRAME_OFF_TP BYTES(4)
/* switch frame */
#define RT_HW_SWITCH_CONTEXT_SSTATUS 0