Add PTRACE_PEEKTAG to mte_kernel.h.
This constant is used by the experimental ptrace API for reading
tags in other processes.
Also expose the platform headers to libunwindstack.
Bug: 135772972
Change-Id: I2daecdaa4c8b557b42222f65fc6b68d13da84ad4
diff --git a/libc/Android.bp b/libc/Android.bp
index 650726a..8d70185 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -1751,6 +1751,7 @@
"//external/perfetto:__subpackages__",
"//external/scudo:__subpackages__",
"//system/core/debuggerd:__subpackages__",
+ "//system/core/libunwindstack:__subpackages__",
"//system/memory/libmemunreachable:__subpackages__",
],
host_supported: true,
diff --git a/libc/platform/bionic/mte_kernel.h b/libc/platform/bionic/mte_kernel.h
index 984d17d..d22d65e 100644
--- a/libc/platform/bionic/mte_kernel.h
+++ b/libc/platform/bionic/mte_kernel.h
@@ -51,4 +51,6 @@
#define SEGV_MTEAERR 8
#define SEGV_MTESERR 9
+#define PTRACE_PEEKTAG 33
+
#endif