diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/libc-vdso.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/libc-vdso.h | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/libc-vdso.h b/sysdeps/unix/sysv/linux/powerpc/libc-vdso.h index 5c1f8de1c6..cb7da3b289 100644 --- a/sysdeps/unix/sysv/linux/powerpc/libc-vdso.h +++ b/sysdeps/unix/sysv/linux/powerpc/libc-vdso.h @@ -22,17 +22,9 @@ #include <sysdep.h> #include <sysdep-vdso.h> -#include_next <libc-vdso.h> - -extern unsigned long long (*VDSO_SYMBOL(get_tbfreq)) (void); -#if defined(__PPC64__) || defined(__powerpc64__) -extern void *VDSO_SYMBOL(sigtramp_rt64); -#else -extern void *VDSO_SYMBOL(sigtramp32); -extern void *VDSO_SYMBOL(sigtramp_rt32); -#endif #if (defined(__PPC64__) || defined(__powerpc64__)) && _CALL_ELF != 2 +# include <dl-machine.h> /* The correct solution is for _dl_vdso_vsym to return the address of the OPD for the kernel VDSO function. That address would then be stored in the __vdso_* variables and returned as the result of the IFUNC resolver function. @@ -51,7 +43,7 @@ extern void *VDSO_SYMBOL(sigtramp_rt32); are processed immediately at startup the resolver functions and this code need not be thread-safe, but if the caller writes to a PLT slot it must do so in a thread-safe manner with all the required barriers. */ -#define VDSO_IFUNC_RET(value) \ +# define VDSO_IFUNC_RET(value) \ ({ \ static Elf64_FuncDesc vdso_opd = { .fd_toc = ~0x0 }; \ vdso_opd.fd_func = (Elf64_Addr)value; \ @@ -59,7 +51,17 @@ extern void *VDSO_SYMBOL(sigtramp_rt32); }) #else -#define VDSO_IFUNC_RET(value) ((void *) (value)) +# define VDSO_IFUNC_RET(value) ((void *) (value)) +#endif + +#include_next <libc-vdso.h> + +extern unsigned long long (*VDSO_SYMBOL(get_tbfreq)) (void); +#if defined(__PPC64__) || defined(__powerpc64__) +extern void *VDSO_SYMBOL(sigtramp_rt64); +#else +extern void *VDSO_SYMBOL(sigtramp32); +extern void *VDSO_SYMBOL(sigtramp_rt32); #endif #endif /* _LIBC_VDSO_H */ |