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| author | Alistair Francis <alistair.francis@wdc.com> | 2019-09-18 08:41:59 -0700 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2020-08-27 08:17:42 -0700 |
| commit | 68efae739a3eae514dafb52c42d5e3295fd13903 (patch) | |
| tree | d9f0d0d8a6561a3165ba1c3ffb313103f25a7cae | |
| parent | 7ed05adc829c1b3690080c693888287255b7322b (diff) | |
| download | glibc-68efae739a3eae514dafb52c42d5e3295fd13903.tar.gz glibc-68efae739a3eae514dafb52c42d5e3295fd13903.tar.xz glibc-68efae739a3eae514dafb52c42d5e3295fd13903.zip | |
RISC-V: Add support for 32-bit vDSO calls
Reviewed-by: Maciej W. Rozycki <macro@wdc.com>
| -rw-r--r-- | sysdeps/unix/sysv/linux/riscv/sysdep.h | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/sysdeps/unix/sysv/linux/riscv/sysdep.h b/sysdeps/unix/sysv/linux/riscv/sysdep.h index 430fa23a58..e94afbf106 100644 --- a/sysdeps/unix/sysv/linux/riscv/sysdep.h +++ b/sysdeps/unix/sysv/linux/riscv/sysdep.h @@ -135,13 +135,24 @@ #else /* !__ASSEMBLER__ */ -# define VDSO_NAME "LINUX_4.15" -# define VDSO_HASH 182943605 +# if __WORDSIZE == 64 +# define VDSO_NAME "LINUX_4.15" +# define VDSO_HASH 182943605 + +/* List of system calls which are supported as vsyscalls only + for RV64. */ +# define HAVE_CLOCK_GETRES64_VSYSCALL "__vdso_clock_getres" +# define HAVE_CLOCK_GETTIME64_VSYSCALL "__vdso_clock_gettime" +# define HAVE_GETTIMEOFDAY_VSYSCALL "__vdso_gettimeofday" +# else +# define VDSO_NAME "LINUX_5.4" +# define VDSO_HASH 61765876 + +/* RV32 does not support the gettime VDSO syscalls. */ +# endif -/* List of system calls which are supported as vsyscalls. */ -# define HAVE_CLOCK_GETRES64_VSYSCALL "__vdso_clock_getres" -# define HAVE_CLOCK_GETTIME64_VSYSCALL "__vdso_clock_gettime" -# define HAVE_GETTIMEOFDAY_VSYSCALL "__vdso_gettimeofday" +/* List of system calls which are supported as vsyscalls (for RV32 and + RV64). */ # define HAVE_GETCPU_VSYSCALL "__vdso_getcpu" # define INTERNAL_SYSCALL(name, nr, args...) \ |