diff options
Diffstat (limited to 'libc/sysdeps/linux/sparc64')
| -rw-r--r-- | libc/sysdeps/linux/sparc64/Makefile.arch | 2 | ||||
| -rw-r--r-- | libc/sysdeps/linux/sparc64/bits/resource.h | 21 | ||||
| -rw-r--r-- | libc/sysdeps/linux/sparc64/sigaction.c | 10 | ||||
| -rw-r--r-- | libc/sysdeps/linux/sparc64/sigreturn_stub.S | 10 | ||||
| -rw-r--r-- | libc/sysdeps/linux/sparc64/sysdep.h | 9 |
5 files changed, 39 insertions, 13 deletions
diff --git a/libc/sysdeps/linux/sparc64/Makefile.arch b/libc/sysdeps/linux/sparc64/Makefile.arch index 37b539b3b..cc4000b78 100644 --- a/libc/sysdeps/linux/sparc64/Makefile.arch +++ b/libc/sysdeps/linux/sparc64/Makefile.arch @@ -5,7 +5,7 @@ CSRC-y := __syscall_error.c sigaction.c SSRC-y := __longjmp.S setjmp.S bsd-setjmp.S bsd-_setjmp.S brk.S fork.S \ - syscall.S pipe.S vfork.S clone.S + syscall.S pipe.S vfork.S clone.S sigreturn_stub.S CSRC-y += $(addprefix soft-fp/, \ qp_add.c qp_cmp.c qp_cmpe.c qp_div.c qp_dtoq.c qp_feq.c qp_fge.c \ diff --git a/libc/sysdeps/linux/sparc64/bits/resource.h b/libc/sysdeps/linux/sparc64/bits/resource.h index 366e5c2d9..84c768785 100644 --- a/libc/sysdeps/linux/sparc64/bits/resource.h +++ b/libc/sysdeps/linux/sparc64/bits/resource.h @@ -98,7 +98,13 @@ enum __rlimit_resource __RLIMIT_RTPRIO = 14, #define RLIMIT_RTPRIO __RLIMIT_RTPRIO - __RLIMIT_NLIMITS = 15, + /* Maximum CPU time in µs that a process scheduled under a real-time + scheduling policy may consume without making a blocking system + call before being forcibly descheduled. */ + __RLIMIT_RTTIME = 15, +#define RLIMIT_RTTIME __RLIMIT_RTTIME + + __RLIMIT_NLIMITS = 16, __RLIM_NLIMITS = __RLIMIT_NLIMITS #define RLIMIT_NLIMITS __RLIMIT_NLIMITS #define RLIM_NLIMITS __RLIM_NLIMITS @@ -122,11 +128,11 @@ enum __rlimit_resource #ifndef __USE_FILE_OFFSET64 # define RLIM_INFINITY ((long int)(~0UL >> 1)) #else -# define RLIM_INFINITY 0x7fffffffffffffffLL +# define RLIM_INFINITY 0xffffffffffffffffULL #endif #ifdef __USE_LARGEFILE64 -# define RLIM64_INFINITY 0x7fffffffffffffffLL +# define RLIM64_INFINITY 0xffffffffffffffffULL #endif #endif @@ -174,6 +180,15 @@ enum __rusage_who /* All of its terminated child processes. */ RUSAGE_CHILDREN = -1 #define RUSAGE_CHILDREN RUSAGE_CHILDREN + +#ifdef __USE_GNU + , + /* The calling thread. */ + RUSAGE_THREAD = 1 +# define RUSAGE_THREAD RUSAGE_THREAD + /* Name for the same functionality on Solaris. */ +# define RUSAGE_LWP RUSAGE_THREAD +#endif }; #define __need_timeval diff --git a/libc/sysdeps/linux/sparc64/sigaction.c b/libc/sysdeps/linux/sparc64/sigaction.c index d8aaad0fb..b28fa659a 100644 --- a/libc/sysdeps/linux/sparc64/sigaction.c +++ b/libc/sysdeps/linux/sparc64/sigaction.c @@ -26,7 +26,7 @@ /* SPARC 64bit userland requires a kernel that has rt signals anyway. */ -static void __rt_sigreturn_stub (void); +void __rt_sigreturn_stub (void); int __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact) { @@ -67,11 +67,3 @@ libc_hidden_weak(sigaction) # endif #endif -static void -__rt_sigreturn_stub (void) -{ - __asm__ ("mov %0, %%g1\n\t" - "ta 0x6d\n\t" - : /* no outputs */ - : "i" (__NR_rt_sigreturn)); -} diff --git a/libc/sysdeps/linux/sparc64/sigreturn_stub.S b/libc/sysdeps/linux/sparc64/sigreturn_stub.S new file mode 100644 index 000000000..a5c9bb47f --- /dev/null +++ b/libc/sysdeps/linux/sparc64/sigreturn_stub.S @@ -0,0 +1,10 @@ +#include <sysdep.h> + + nop + nop + +ENTRY_NOCFI (__rt_sigreturn_stub) + mov __NR_rt_sigreturn, %g1 + ta 0x6d +END_NOCFI (__rt_sigreturn_stub) + diff --git a/libc/sysdeps/linux/sparc64/sysdep.h b/libc/sysdeps/linux/sparc64/sysdep.h index 31008c34b..5a4c36348 100644 --- a/libc/sysdeps/linux/sparc64/sysdep.h +++ b/libc/sysdeps/linux/sparc64/sysdep.h @@ -83,6 +83,15 @@ C_LABEL(name) \ cfi_endproc; \ .size name, . - name +#define ENTRY_NOCFI(name) \ + .align 4; \ + .global C_SYMBOL_NAME(name); \ + .type name, @function; \ +C_LABEL(name) + +#define END_NOCFI(name) \ + .size name, . - name + #define LOC(name) .L##name #undef PSEUDO |