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| author | David S. Miller <davem@davemloft.net> | 2018-10-18 11:42:19 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-10-18 11:44:32 -0700 |
| commit | 94a3a27f5df24a69420c80fb83f07c8cf7671938 (patch) | |
| tree | ab6cabdcab811aad4f3635770c785f373014c9e9 /sysdeps/unix/sysv/linux/sparc/sysdep.h | |
| parent | 0a271c8f25a8342f7c36b999f4f7bad2d4067a8e (diff) | |
| download | glibc-94a3a27f5df24a69420c80fb83f07c8cf7671938.tar.gz | |
Add VDSO support to sparc.
* sysdeps/unix/sysv/linux/sparc/init-first.c: New file.
* sysdeps/unix/sysv/linux/sparc/libc-vdso.h: New file.
* sysdeps/unix/sysv/linux/sparc/Makefile: Add dl-vdso to
sysdep_routines in subdir elf.
* sysdeps/unix/sysv/linux/sparc/Versions: Add GLIBC_PRIVATE
version for __vdso_clock_gettime.
* sysdeps/unix/sysv/linux/sparc/sysdep.h (INTERNAL_VSYSCALL_CALL):
Define.
(HAVE_CLOCK_GETTIME_VSYSCALL): Define.
(HAVE_GETTIMEOFDAY_VSYSCALL): Define.
Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/sysdep.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sparc/sysdep.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sysdep.h b/sysdeps/unix/sysv/linux/sparc/sysdep.h index fd06a4349e..5fb7828a05 100644 --- a/sysdeps/unix/sysv/linux/sparc/sysdep.h +++ b/sysdeps/unix/sysv/linux/sparc/sysdep.h @@ -34,6 +34,17 @@ #else /* __ASSEMBLER__ */ +#define INTERNAL_VSYSCALL_CALL(funcptr, err, nr, args...) \ + ({ \ + long _ret = funcptr (args); \ + err = ((unsigned long) (_ret) >= (unsigned long) -4095L); \ + _ret; \ + }) + +/* List of system calls which are supported as vsyscalls. */ +# define HAVE_CLOCK_GETTIME_VSYSCALL 1 +# define HAVE_GETTIMEOFDAY_VSYSCALL 1 + #undef INLINE_SYSCALL #define INLINE_SYSCALL(name, nr, args...) \ ({ INTERNAL_SYSCALL_DECL(err); \ |