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authorRichard Henderson <richard.henderson@linaro.org>2021-02-12 10:48:51 -0800
committerPeter Maydell <peter.maydell@linaro.org>2021-02-16 13:06:16 +0000
commit0e0c030c681730f3ec55ba3b223b608a8f3e8282 (patch)
treeb787487c814a2833973d96d3ef135cd784d5f46a /linux-user/aarch64/target_syscall.h
parent31c048342db09e70ab887aba9c7e0818c18d0fb1 (diff)
linux-user/aarch64: Implement PR_TAGGED_ADDR_ENABLE
This is the prctl bit that controls whether syscalls accept tagged addresses. See Documentation/arm64/tagged-address-abi.rst in the linux kernel. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20210212184902.1251044-21-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'linux-user/aarch64/target_syscall.h')
-rw-r--r--linux-user/aarch64/target_syscall.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/linux-user/aarch64/target_syscall.h b/linux-user/aarch64/target_syscall.h
index 3194e6b009..820601dfcc 100644
--- a/linux-user/aarch64/target_syscall.h
+++ b/linux-user/aarch64/target_syscall.h
@@ -30,4 +30,8 @@ struct target_pt_regs {
# define TARGET_PR_PAC_APDBKEY (1 << 3)
# define TARGET_PR_PAC_APGAKEY (1 << 4)
+#define TARGET_PR_SET_TAGGED_ADDR_CTRL 55
+#define TARGET_PR_GET_TAGGED_ADDR_CTRL 56
+# define TARGET_PR_TAGGED_ADDR_ENABLE (1UL << 0)
+
#endif /* AARCH64_TARGET_SYSCALL_H */