Message ID | 50619acf4344de8022a28f34cd04c36eff6873ae.1594568655.git.alistair.francis@wdc.com |
---|---|
State | New |
Headers | show |
Series | glibc port for 32-bit RISC-V (RV32) | expand |
On Sun, 12 Jul 2020, Alistair Francis via Libc-alpha wrote: > diff --git a/sysdeps/unix/sysv/linux/riscv/sysdep.h b/sysdeps/unix/sysv/linux/riscv/sysdep.h > index 62a9551f50..bf26379479 100644 > --- a/sysdeps/unix/sysv/linux/riscv/sysdep.h > +++ b/sysdeps/unix/sysv/linux/riscv/sysdep.h > @@ -136,14 +136,25 @@ > > #else > > -# 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" > -# define HAVE_GETCPU_VSYSCALL "__vdso_getcpu" > +# 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 (for RV32 and > + RV64). */ > +# define HAVE_GETCPU_VSYSCALL "__vdso_getcpu" ^^ Extraneous space here. Please use tabs rather than spaces between the LHS and the RHS throughout. Otherwise OK. Thanks for adding the comments. Maciej
diff --git a/sysdeps/unix/sysv/linux/riscv/sysdep.h b/sysdeps/unix/sysv/linux/riscv/sysdep.h index 62a9551f50..bf26379479 100644 --- a/sysdeps/unix/sysv/linux/riscv/sysdep.h +++ b/sysdeps/unix/sysv/linux/riscv/sysdep.h @@ -136,14 +136,25 @@ #else -# 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" -# define HAVE_GETCPU_VSYSCALL "__vdso_getcpu" +# 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 (for RV32 and + RV64). */ +# define HAVE_GETCPU_VSYSCALL "__vdso_getcpu" # define INTERNAL_SYSCALL(name, nr, args...) \ internal_syscall##nr (SYS_ify (name), args)