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RISC-V: Add support for 32-bit vDSO calls

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Reviewed-by: Maciej W. Rozycki <macro@wdc.com>
This commit is contained in:
Alistair Francis 2019-09-18 08:41:59 -07:00
parent 7ed05adc82
commit 68efae739a
1 changed files with 17 additions and 6 deletions
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23
sysdeps/unix/sysv/linux/riscv/sysdep.h
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@ -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. */
# 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 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 (for RV32 and
RV64). */
# define HAVE_GETCPU_VSYSCALL "__vdso_getcpu"
# define INTERNAL_SYSCALL(name, nr, args...) \