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-rw-r--r--sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h7
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/init-first.c16
2 files changed, 23 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h b/sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h
index 8b195db1bf..ba54de4eb0 100644
--- a/sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h
+++ b/sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h
@@ -34,6 +34,13 @@ extern void *__vdso_getcpu;
extern void *__vdso_time;
+#if defined(__PPC64__) || defined(__powerpc64__)
+extern void *__vdso_sigtramp_rt64;
+#else
+extern void *__vdso_sigtramp32;
+extern void *__vdso_sigtramp_rt32;
+#endif
+
/* This macro is needed for PPC64 to return a skeleton OPD entry of a vDSO
symbol. This works because _dl_vdso_vsym always return the function
address, and no vDSO symbols use the TOC or chain pointers from the OPD
diff --git a/sysdeps/unix/sysv/linux/powerpc/init-first.c b/sysdeps/unix/sysv/linux/powerpc/init-first.c
index f6f05f0ba2..061715f875 100644
--- a/sysdeps/unix/sysv/linux/powerpc/init-first.c
+++ b/sysdeps/unix/sysv/linux/powerpc/init-first.c
@@ -29,6 +29,12 @@ void *__vdso_clock_getres;
void *__vdso_get_tbfreq;
void *__vdso_getcpu;
void *__vdso_time;
+#if defined(__PPC64__) || defined(__powerpc64__)
+void *__vdso_sigtramp_rt64;
+#else
+void *__vdso_sigtramp32;
+void *__vdso_sigtramp_rt32;
+#endif
static inline void
_libc_vdso_platform_setup (void)
@@ -46,6 +52,16 @@ _libc_vdso_platform_setup (void)
__vdso_getcpu = _dl_vdso_vsym ("__kernel_getcpu", &linux2615);
__vdso_time = _dl_vdso_vsym ("__kernel_time", &linux2615);
+
+ /* PPC64 uses only one signal trampoline symbol, while PPC32 will use
+ two depending if SA_SIGINFO is used (__kernel_sigtramp_rt32) or not
+ (__kernel_sigtramp32). */
+#if defined(__PPC64__) || defined(__powerpc64__)
+ __vdso_sigtramp_rt64 = _dl_vdso_vsym ("__kernel_sigtramp_rt64", &linux2615);
+#else
+ __vdso_sigtramp32 = _dl_vdso_vsym ("__kernel_sigtramp32", &linux2615);
+ __vdso_sigtramp_rt32 = _dl_vdso_vsym ("__kernel_sigtramp_rt32", &linux2615);
+#endif
}
# define VDSO_SETUP _libc_vdso_platform_setup