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Update. 

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.
This commit is contained in:
Ulrich Drepper 2001-07-16 07:32:48 +00:00
parent 3c204435e9
commit 778e0ef71d
8 changed files with 96 additions and 40 deletions
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29
ChangeLog
View File

@ -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.

7
linuxthreads/ChangeLog
View File

@ -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>.

78
linuxthreads/pthread.c
View File

@ -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];

7
malloc/obstack.c
View File

@ -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 ()

6
sysdeps/s390/s390-32/bits/setjmp.h
View File

@ -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__ */

4
sysdeps/s390/s390-64/bits/setjmp.h
View File

@ -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

2
sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S
View File

@ -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

3
sysdeps/unix/sysv/linux/s390/s390-64/bits/sigaction.h
View File

@ -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;
};