diff options
| -rw-r--r-- | ChangeLog | 29 | ||||
| -rw-r--r-- | linuxthreads/ChangeLog | 7 | ||||
| -rw-r--r-- | linuxthreads/pthread.c | 78 | ||||
| -rw-r--r-- | malloc/obstack.c | 7 | ||||
| -rw-r--r-- | sysdeps/s390/s390-32/bits/setjmp.h | 6 | ||||
| -rw-r--r-- | sysdeps/s390/s390-64/bits/setjmp.h | 4 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/s390/s390-64/bits/sigaction.h | 3 |
8 files changed, 96 insertions, 40 deletions
@@ -1,3 +1,32 @@ +2001-07-15 Ulrich Drepper <drepper@redhat.com> + + * malloc/obstack.c: Define __attribute__ for non-gcc compilers. + Patch by Jim Meyering <jim@meyering.net>. + +2001-07-12 Martin Schwidefsky <schwidefsky@de.ibm.com> + + * sysdeps/unix/sysv/linux/s390/s390-64/bits/sigaction.h: Reorder + fields in the sigaction struct to match the definition in the kernel. + +2001-07-12 Martin Schwidefsky <schwidefsky@de.ibm.com> + + * sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S: Correct the + test for ENOSYS. + +2001-07-12 Martin Schwidefsky <schwidefsky@de.ibm.com> + + * sysdeps/s390/s390-32/bits/setjmp.h: Add leading underscores + to the entries in the __jmp_buf structure. + * sysdeps/s390/s390-64/bits/setjmp.h: Likewise. + +2001-07-12 Martin Schwidefsky <schwidefsky@de.ibm.com> + + * sysdeps/s390/s390-32/bcopy.S: Use mvcle for big blocks + (> 64K) and a mvc loop for small blocks. + * sysdeps/s390/s390-32/memcpy.S: Likewise. + * sysdeps/s390/s390-64/bcopy.S: Likewise. + * sysdeps/s390/s390-64/memcpy.S: Likewise. + 2001-07-15 Andreas Schwab <schwab@suse.de> * sysdeps/unix/sysv/linux/m68k/sys/procfs.h: New file. diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog index efc0143549..b4bab43888 100644 --- a/linuxthreads/ChangeLog +++ b/linuxthreads/ChangeLog @@ -1,3 +1,10 @@ +2001-07-16 Ulrich Drepper <drepper@redhat.com> + + * pthread.c (pthread_initialize): For FLOATING_STACKS do't bother + to find the right value for __pthread_initial_thread_bos, it's not + used. If not FLOATING_STACKS first run + __pthread_init_max_stacksize. + 2001-06-16 H.J. Lu <hjl@gnu.org> * internals.h: Include <stackinfo.h>. diff --git a/linuxthreads/pthread.c b/linuxthreads/pthread.c index 88fbf0ce0f..1321bd488b 100644 --- a/linuxthreads/pthread.c +++ b/linuxthreads/pthread.c @@ -401,6 +401,40 @@ __pthread_initialize_minimal(void) } +void +__pthread_init_max_stacksize(void) +{ + struct rlimit limit; + size_t max_stack; + + getrlimit(RLIMIT_STACK, &limit); +#ifdef FLOATING_STACKS + if (limit.rlim_cur == RLIM_INFINITY) + limit.rlim_cur = ARCH_STACK_MAX_SIZE; +# ifdef NEED_SEPARATE_REGISTER_STACK + max_stack = limit.rlim_cur / 2; +# else + max_stack = limit.rlim_cur; +# endif +#else + /* Play with the stack size limit to make sure that no stack ever grows + beyond STACK_SIZE minus one page (to act as a guard page). */ +# ifdef NEED_SEPARATE_REGISTER_STACK + /* STACK_SIZE bytes hold both the main stack and register backing + store. The rlimit value applies to each individually. */ + max_stack = STACK_SIZE/2 - __getpagesize (); +# else + max_stack = STACK_SIZE - __getpagesize(); +# endif + if (limit.rlim_cur > max_stack) { + limit.rlim_cur = max_stack; + setrlimit(RLIMIT_STACK, &limit); + } +#endif + __pthread_max_stacksize = max_stack; +} + + static void pthread_initialize(void) { struct sigaction sa; @@ -412,16 +446,24 @@ static void pthread_initialize(void) /* Test if compare-and-swap is available */ __pthread_has_cas = compare_and_swap_is_available(); #endif -#ifdef _STACK_GROWS_UP +#ifdef FLOATING_STACKS + /* We don't need to know the bottom of the stack. Give the pointer some + value to signal that initialization happened. */ + __pthread_initial_thread_bos = (void *) -1l; +#else + /* Determine stack size limits . */ + __pthread_init_max_stacksize (); +# ifdef _STACK_GROWS_UP /* The initial thread already has all the stack it needs */ __pthread_initial_thread_bos = (char *) ((long)CURRENT_STACK_FRAME &~ (STACK_SIZE - 1)); -#else +# else /* For the initial stack, reserve at least STACK_SIZE bytes of stack below the current stack address, and align that on a STACK_SIZE boundary. */ __pthread_initial_thread_bos = (char *)(((long)CURRENT_STACK_FRAME - 2 * STACK_SIZE) & ~(STACK_SIZE - 1)); +# endif #endif /* Update the descriptor for the initial thread. */ __pthread_initial_thread.p_pid = __getpid(); @@ -470,38 +512,6 @@ void __pthread_initialize(void) pthread_initialize(); } -void __pthread_init_max_stacksize(void) -{ - struct rlimit limit; - size_t max_stack; - - getrlimit(RLIMIT_STACK, &limit); -#ifdef FLOATING_STACKS - if (limit.rlim_cur == RLIM_INFINITY) - limit.rlim_cur = ARCH_STACK_MAX_SIZE; -# ifdef NEED_SEPARATE_REGISTER_STACK - max_stack = limit.rlim_cur / 2; -# else - max_stack = limit.rlim_cur; -# endif -#else - /* Play with the stack size limit to make sure that no stack ever grows - beyond STACK_SIZE minus one page (to act as a guard page). */ -# ifdef NEED_SEPARATE_REGISTER_STACK - /* STACK_SIZE bytes hold both the main stack and register backing - store. The rlimit value applies to each individually. */ - max_stack = STACK_SIZE/2 - __getpagesize (); -# else - max_stack = STACK_SIZE - __getpagesize(); -# endif - if (limit.rlim_cur > max_stack) { - limit.rlim_cur = max_stack; - setrlimit(RLIMIT_STACK, &limit); - } -#endif - __pthread_max_stacksize = max_stack; -} - int __pthread_initialize_manager(void) { int manager_pipe[2]; diff --git a/malloc/obstack.c b/malloc/obstack.c index 30e908d981..dcc5cce386 100644 --- a/malloc/obstack.c +++ b/malloc/obstack.c @@ -470,6 +470,13 @@ _obstack_memory_used (h) # define fputs(s, f) _IO_fputs (s, f) #endif +#ifndef __attribute__ +/* This feature is available in gcc versions 2.5 and later. */ +# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) +# define __attribute__(Spec) /* empty */ +# endif +#endif + static void __attribute__ ((noreturn)) print_and_abort () diff --git a/sysdeps/s390/s390-32/bits/setjmp.h b/sysdeps/s390/s390-32/bits/setjmp.h index 07ca86574a..fa6e03b4be 100644 --- a/sysdeps/s390/s390-32/bits/setjmp.h +++ b/sysdeps/s390/s390-32/bits/setjmp.h @@ -36,10 +36,10 @@ typedef struct { /* We save registers 6-15. */ - long int gregs[10]; + long int __gregs[10]; /* We save fpu registers 4 and 6. */ - long fpregs[4]; + long __fpregs[4]; } __jmp_buf[1]; #endif @@ -47,6 +47,6 @@ typedef struct { /* Test if longjmp to JMPBUF would unwind the frame containing a local variable at ADDRESS. */ #define _JMPBUF_UNWINDS(jmpbuf, address) \ - ((int) (address) < (jmpbuf)->gregs[__JB_GPR15]) + ((int) (address) < (jmpbuf)->__gregs[__JB_GPR15]) #endif /* __S390_SETJMP_H__ */ diff --git a/sysdeps/s390/s390-64/bits/setjmp.h b/sysdeps/s390/s390-64/bits/setjmp.h index 5e77572da3..4cb4d791e8 100644 --- a/sysdeps/s390/s390-64/bits/setjmp.h +++ b/sysdeps/s390/s390-64/bits/setjmp.h @@ -36,10 +36,10 @@ typedef struct { /* We save registers 6-15. */ - long int gregs[10]; + long int __gregs[10]; /* We save fpu registers 4 and 6. */ - long fpregs[8]; + long __fpregs[8]; } __jmp_buf[1]; #endif diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S b/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S index 35338aabd0..c0652cae83 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S +++ b/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S @@ -51,7 +51,7 @@ ENTRY(__mmap64) svc SYS_ify(mmap2) /* Do the system call trap. */ #ifndef __ASSUME_MMAP2_SYSCALL - chi %r0,-ENOSYS + chi %r2,-ENOSYS je 1f #endif diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/bits/sigaction.h b/sysdeps/unix/sysv/linux/s390/s390-64/bits/sigaction.h index fbbfd30b9a..43738b2654 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/bits/sigaction.h +++ b/sysdeps/unix/sysv/linux/s390/s390-64/bits/sigaction.h @@ -43,6 +43,9 @@ struct sigaction /* Special flags. */ unsigned long int sa_flags; + /* Restore handler. */ + void (*sa_restorer) (void); + /* Additional set of signals to be blocked. */ __sigset_t sa_mask; }; |