gcc/boehm-gc/mark_rts.c

659 lines
19 KiB
C
Raw Normal View History

1999-04-07 10:01:30 +02:00
/*
* Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers
* Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved.
*
* THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
* OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
*
* Permission is hereby granted to use or copy this program
* for any purpose, provided the above notices are retained on all copies.
* Permission to modify the code and to distribute modified code is granted,
* provided the above notices are retained, and a notice that the code was
* modified is included with the above copyright notice.
*/
# include <stdio.h>
# include "private/gc_priv.h"
1999-04-07 10:01:30 +02:00
/* Data structure for list of root sets. */
/* We keep a hash table, so that we can filter out duplicate additions. */
/* Under Win32, we need to do a better job of filtering overlaps, so */
/* we resort to sequential search, and pay the price. */
/* This is really declared in gc_priv.h:
1999-04-07 10:01:30 +02:00
struct roots {
ptr_t r_start;
ptr_t r_end;
PR target/42811 (prerequisite) PR target/42811 (prerequisite) * include/private/gc_priv.h (struct roots) [CYGWIN32]: Don't declare r_next member on Cygwin as on other windows hosts. (LOG_RT_SIZE) [CYGWIN32]: Don't define likewise. (RT_SIZE) [CYGWIN32]: Likewise. (struct _GC_arrays) [CYGWIN32]: Do declare _heap_bases[] member likewise. (GC_heap_bases) [CYGWIN32]: Do define likewise. (struct _SYSTEM_INFO) [CYGWIN32]: Do forward-declare likewise. (GC_sysinfo) [CYGWIN32]: Do declare extern likewise. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GC_is_tmp_root) [CYGWIN32]: Do prototype likewise. * include/private/gcconfig.h (GC_win32_get_mem) [CYGWIN32]: Likewise. (GET_MEM) [CYGWIN32]: Do define likewise. * boehm-gc/ptr_chck.c (GC_is_visible) [CYGWIN32]: Do handle dynamic registration likewise. * boehm-gc/os_dep.c (GC_setpagesize) [CYGWIN32]: Do define likewise. (GC_no_win32_dlls) [CYGWIN32]: Define as constant false, unlike other windows hosts. (GC_sysinfo) [CYGWIN32]: Define as on other windows hosts. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GLOBAL_ALLOC_TEST) [CYGWIN32]: Likewise. (GC_win32_get_mem) [CYGWIN32]: Likewise, but wrapping GC_unix_get_mem rather than GlobalAlloc/VirtualAlloc. (GC_win32_free_heap) [CYGWIN32]: Likewise, but wrapping free instead of GlobalFree (even though the function body is optimised away). * boehm-gc/mark_rts.c (add_roots_to_index) [CYGWIN32]: Define as on other windows hosts. (GC_add_roots_inner) [CYGWIN32]: Avoid overlapping or adjacent intervals likewise. (GC_clear_roots) [CYGWIN32]: Clear GC_root_index[] likewise. (GC_rebuild_root_index) [CYGWIN32]: Define as on other windows hosts. (GC_remove_tmp_roots) [CYGWIN32]: Call it likewise. (GC_remove_roots) [CYGWIN32]: Don't define, as on other windows hosts. (GC_is_tmp_root) [CYGWIN32]: Define, as on other windows hosts. (GC_cond_register_dynamic_libraries) [CYGWIN32]: Handle temporary roots and dynamic registration likewise. * boehm-gc/dyn_load.c (GC_has_static_roots) [CYGWIN32]: Define as on other windows hosts. (GC_register_has_static_roots_callback) [CYGWIN32]: Likewise. (GC_cond_add_roots) [CYGWIN32]: Likewise. (GC_register_main_static_data) [CYGWIN32]: Define to always return false, as on MSWINCE (HAVE_REGISTER_MAIN_STATIC_DATA) [CYGWIN32]: Define as on other windows hosts. (GC_warn_fb) [CYGWIN32]: Likewise. (GC_disallow_ignore_fb) [CYGWIN32]: Likewise. (GC_ignore_fb_mb) [CYGWIN32]: Likewise. (GC_ignore_fb) [CYGWIN32]: Likewise. (is_frame_buffer) [CYGWIN32]: Likewise. (GC_dump_meminfo) [CYGWIN32]: Likewise. (GC_wnt) [CYGWIN32]: Define to constant true. (GC_register_dynamic_libraries) [CYGWIN32]: Define as on other windows hosts. From-SVN: r157604
2010-03-21 20:34:19 +01:00
# if !defined(MSWIN32) && !defined(MSWINCE) && !defined(CYGWIN32)
1999-04-07 10:01:30 +02:00
struct roots * r_next;
# endif
1999-04-07 10:01:30 +02:00
GC_bool r_tmp;
-- Delete before registering new dynamic libraries
1999-04-07 10:01:30 +02:00
};
struct roots GC_static_roots[MAX_ROOT_SETS];
*/
1999-04-07 10:01:30 +02:00
int GC_no_dls = 0; /* Register dynamic library data segments. */
1999-04-07 10:01:30 +02:00
static int n_root_sets = 0;
/* GC_static_roots[0..n_root_sets) contains the valid root sets. */
1999-04-07 10:01:30 +02:00
# if !defined(NO_DEBUGGING)
/* For debugging: */
void GC_print_static_roots()
{
register int i;
size_t total = 0;
for (i = 0; i < n_root_sets; i++) {
GC_printf2("From 0x%lx to 0x%lx ",
(unsigned long) GC_static_roots[i].r_start,
(unsigned long) GC_static_roots[i].r_end);
if (GC_static_roots[i].r_tmp) {
1999-04-07 10:01:30 +02:00
GC_printf0(" (temporary)\n");
} else {
GC_printf0("\n");
}
total += GC_static_roots[i].r_end - GC_static_roots[i].r_start;
1999-04-07 10:01:30 +02:00
}
GC_printf1("Total size: %ld\n", (unsigned long) total);
if (GC_root_size != total) {
GC_printf1("GC_root_size incorrect: %ld!!\n",
(unsigned long) GC_root_size);
}
}
# endif /* NO_DEBUGGING */
/* Primarily for debugging support: */
/* Is the address p in one of the registered static */
/* root sections? */
GC_bool GC_is_static_root(p)
ptr_t p;
{
static int last_root_set = MAX_ROOT_SETS;
1999-04-07 10:01:30 +02:00
register int i;
if (last_root_set < n_root_sets
&& p >= GC_static_roots[last_root_set].r_start
&& p < GC_static_roots[last_root_set].r_end) return(TRUE);
1999-04-07 10:01:30 +02:00
for (i = 0; i < n_root_sets; i++) {
if (p >= GC_static_roots[i].r_start
&& p < GC_static_roots[i].r_end) {
1999-04-07 10:01:30 +02:00
last_root_set = i;
return(TRUE);
}
}
return(FALSE);
}
PR target/42811 (prerequisite) PR target/42811 (prerequisite) * include/private/gc_priv.h (struct roots) [CYGWIN32]: Don't declare r_next member on Cygwin as on other windows hosts. (LOG_RT_SIZE) [CYGWIN32]: Don't define likewise. (RT_SIZE) [CYGWIN32]: Likewise. (struct _GC_arrays) [CYGWIN32]: Do declare _heap_bases[] member likewise. (GC_heap_bases) [CYGWIN32]: Do define likewise. (struct _SYSTEM_INFO) [CYGWIN32]: Do forward-declare likewise. (GC_sysinfo) [CYGWIN32]: Do declare extern likewise. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GC_is_tmp_root) [CYGWIN32]: Do prototype likewise. * include/private/gcconfig.h (GC_win32_get_mem) [CYGWIN32]: Likewise. (GET_MEM) [CYGWIN32]: Do define likewise. * boehm-gc/ptr_chck.c (GC_is_visible) [CYGWIN32]: Do handle dynamic registration likewise. * boehm-gc/os_dep.c (GC_setpagesize) [CYGWIN32]: Do define likewise. (GC_no_win32_dlls) [CYGWIN32]: Define as constant false, unlike other windows hosts. (GC_sysinfo) [CYGWIN32]: Define as on other windows hosts. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GLOBAL_ALLOC_TEST) [CYGWIN32]: Likewise. (GC_win32_get_mem) [CYGWIN32]: Likewise, but wrapping GC_unix_get_mem rather than GlobalAlloc/VirtualAlloc. (GC_win32_free_heap) [CYGWIN32]: Likewise, but wrapping free instead of GlobalFree (even though the function body is optimised away). * boehm-gc/mark_rts.c (add_roots_to_index) [CYGWIN32]: Define as on other windows hosts. (GC_add_roots_inner) [CYGWIN32]: Avoid overlapping or adjacent intervals likewise. (GC_clear_roots) [CYGWIN32]: Clear GC_root_index[] likewise. (GC_rebuild_root_index) [CYGWIN32]: Define as on other windows hosts. (GC_remove_tmp_roots) [CYGWIN32]: Call it likewise. (GC_remove_roots) [CYGWIN32]: Don't define, as on other windows hosts. (GC_is_tmp_root) [CYGWIN32]: Define, as on other windows hosts. (GC_cond_register_dynamic_libraries) [CYGWIN32]: Handle temporary roots and dynamic registration likewise. * boehm-gc/dyn_load.c (GC_has_static_roots) [CYGWIN32]: Define as on other windows hosts. (GC_register_has_static_roots_callback) [CYGWIN32]: Likewise. (GC_cond_add_roots) [CYGWIN32]: Likewise. (GC_register_main_static_data) [CYGWIN32]: Define to always return false, as on MSWINCE (HAVE_REGISTER_MAIN_STATIC_DATA) [CYGWIN32]: Define as on other windows hosts. (GC_warn_fb) [CYGWIN32]: Likewise. (GC_disallow_ignore_fb) [CYGWIN32]: Likewise. (GC_ignore_fb_mb) [CYGWIN32]: Likewise. (GC_ignore_fb) [CYGWIN32]: Likewise. (is_frame_buffer) [CYGWIN32]: Likewise. (GC_dump_meminfo) [CYGWIN32]: Likewise. (GC_wnt) [CYGWIN32]: Define to constant true. (GC_register_dynamic_libraries) [CYGWIN32]: Define as on other windows hosts. From-SVN: r157604
2010-03-21 20:34:19 +01:00
#if !defined(MSWIN32) && !defined(MSWINCE) && !defined(CYGWIN32)
/*
1999-04-07 10:01:30 +02:00
# define LOG_RT_SIZE 6
# define RT_SIZE (1 << LOG_RT_SIZE) -- Power of 2, may be != MAX_ROOT_SETS
1999-04-07 10:01:30 +02:00
struct roots * GC_root_index[RT_SIZE];
-- Hash table header. Used only to check whether a range is
-- already present.
-- really defined in gc_priv.h
*/
1999-04-07 10:01:30 +02:00
static int rt_hash(addr)
char * addr;
{
word result = (word) addr;
# if CPP_WORDSZ > 8*LOG_RT_SIZE
result ^= result >> 8*LOG_RT_SIZE;
# endif
# if CPP_WORDSZ > 4*LOG_RT_SIZE
result ^= result >> 4*LOG_RT_SIZE;
# endif
result ^= result >> 2*LOG_RT_SIZE;
result ^= result >> LOG_RT_SIZE;
result &= (RT_SIZE-1);
return(result);
}
/* Is a range starting at b already in the table? If so return a */
/* pointer to it, else NIL. */
struct roots * GC_roots_present(b)
char *b;
{
register int h = rt_hash(b);
register struct roots *p = GC_root_index[h];
1999-04-07 10:01:30 +02:00
while (p != 0) {
if (p -> r_start == (ptr_t)b) return(p);
p = p -> r_next;
}
return(FALSE);
}
/* Add the given root structure to the index. */
static void add_roots_to_index(p)
struct roots *p;
{
register int h = rt_hash(p -> r_start);
p -> r_next = GC_root_index[h];
GC_root_index[h] = p;
1999-04-07 10:01:30 +02:00
}
PR target/42811 (prerequisite) PR target/42811 (prerequisite) * include/private/gc_priv.h (struct roots) [CYGWIN32]: Don't declare r_next member on Cygwin as on other windows hosts. (LOG_RT_SIZE) [CYGWIN32]: Don't define likewise. (RT_SIZE) [CYGWIN32]: Likewise. (struct _GC_arrays) [CYGWIN32]: Do declare _heap_bases[] member likewise. (GC_heap_bases) [CYGWIN32]: Do define likewise. (struct _SYSTEM_INFO) [CYGWIN32]: Do forward-declare likewise. (GC_sysinfo) [CYGWIN32]: Do declare extern likewise. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GC_is_tmp_root) [CYGWIN32]: Do prototype likewise. * include/private/gcconfig.h (GC_win32_get_mem) [CYGWIN32]: Likewise. (GET_MEM) [CYGWIN32]: Do define likewise. * boehm-gc/ptr_chck.c (GC_is_visible) [CYGWIN32]: Do handle dynamic registration likewise. * boehm-gc/os_dep.c (GC_setpagesize) [CYGWIN32]: Do define likewise. (GC_no_win32_dlls) [CYGWIN32]: Define as constant false, unlike other windows hosts. (GC_sysinfo) [CYGWIN32]: Define as on other windows hosts. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GLOBAL_ALLOC_TEST) [CYGWIN32]: Likewise. (GC_win32_get_mem) [CYGWIN32]: Likewise, but wrapping GC_unix_get_mem rather than GlobalAlloc/VirtualAlloc. (GC_win32_free_heap) [CYGWIN32]: Likewise, but wrapping free instead of GlobalFree (even though the function body is optimised away). * boehm-gc/mark_rts.c (add_roots_to_index) [CYGWIN32]: Define as on other windows hosts. (GC_add_roots_inner) [CYGWIN32]: Avoid overlapping or adjacent intervals likewise. (GC_clear_roots) [CYGWIN32]: Clear GC_root_index[] likewise. (GC_rebuild_root_index) [CYGWIN32]: Define as on other windows hosts. (GC_remove_tmp_roots) [CYGWIN32]: Call it likewise. (GC_remove_roots) [CYGWIN32]: Don't define, as on other windows hosts. (GC_is_tmp_root) [CYGWIN32]: Define, as on other windows hosts. (GC_cond_register_dynamic_libraries) [CYGWIN32]: Handle temporary roots and dynamic registration likewise. * boehm-gc/dyn_load.c (GC_has_static_roots) [CYGWIN32]: Define as on other windows hosts. (GC_register_has_static_roots_callback) [CYGWIN32]: Likewise. (GC_cond_add_roots) [CYGWIN32]: Likewise. (GC_register_main_static_data) [CYGWIN32]: Define to always return false, as on MSWINCE (HAVE_REGISTER_MAIN_STATIC_DATA) [CYGWIN32]: Define as on other windows hosts. (GC_warn_fb) [CYGWIN32]: Likewise. (GC_disallow_ignore_fb) [CYGWIN32]: Likewise. (GC_ignore_fb_mb) [CYGWIN32]: Likewise. (GC_ignore_fb) [CYGWIN32]: Likewise. (is_frame_buffer) [CYGWIN32]: Likewise. (GC_dump_meminfo) [CYGWIN32]: Likewise. (GC_wnt) [CYGWIN32]: Define to constant true. (GC_register_dynamic_libraries) [CYGWIN32]: Define as on other windows hosts. From-SVN: r157604
2010-03-21 20:34:19 +01:00
# else /* MSWIN32 || MSWINCE || CYGWIN32 */
1999-04-07 10:01:30 +02:00
# define add_roots_to_index(p)
# endif
word GC_root_size = 0;
void GC_add_roots(b, e)
char * b; char * e;
{
DCL_LOCK_STATE;
DISABLE_SIGNALS();
LOCK();
GC_add_roots_inner(b, e, FALSE);
UNLOCK();
ENABLE_SIGNALS();
}
/* Add [b,e) to the root set. Adding the same interval a second time */
/* is a moderately fast noop, and hence benign. We do not handle */
/* different but overlapping intervals efficiently. (We do handle */
/* them correctly.) */
/* Tmp specifies that the interval may be deleted before */
/* reregistering dynamic libraries. */
void GC_add_roots_inner(b, e, tmp)
char * b; char * e;
GC_bool tmp;
{
struct roots * old;
PR target/42811 (prerequisite) PR target/42811 (prerequisite) * include/private/gc_priv.h (struct roots) [CYGWIN32]: Don't declare r_next member on Cygwin as on other windows hosts. (LOG_RT_SIZE) [CYGWIN32]: Don't define likewise. (RT_SIZE) [CYGWIN32]: Likewise. (struct _GC_arrays) [CYGWIN32]: Do declare _heap_bases[] member likewise. (GC_heap_bases) [CYGWIN32]: Do define likewise. (struct _SYSTEM_INFO) [CYGWIN32]: Do forward-declare likewise. (GC_sysinfo) [CYGWIN32]: Do declare extern likewise. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GC_is_tmp_root) [CYGWIN32]: Do prototype likewise. * include/private/gcconfig.h (GC_win32_get_mem) [CYGWIN32]: Likewise. (GET_MEM) [CYGWIN32]: Do define likewise. * boehm-gc/ptr_chck.c (GC_is_visible) [CYGWIN32]: Do handle dynamic registration likewise. * boehm-gc/os_dep.c (GC_setpagesize) [CYGWIN32]: Do define likewise. (GC_no_win32_dlls) [CYGWIN32]: Define as constant false, unlike other windows hosts. (GC_sysinfo) [CYGWIN32]: Define as on other windows hosts. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GLOBAL_ALLOC_TEST) [CYGWIN32]: Likewise. (GC_win32_get_mem) [CYGWIN32]: Likewise, but wrapping GC_unix_get_mem rather than GlobalAlloc/VirtualAlloc. (GC_win32_free_heap) [CYGWIN32]: Likewise, but wrapping free instead of GlobalFree (even though the function body is optimised away). * boehm-gc/mark_rts.c (add_roots_to_index) [CYGWIN32]: Define as on other windows hosts. (GC_add_roots_inner) [CYGWIN32]: Avoid overlapping or adjacent intervals likewise. (GC_clear_roots) [CYGWIN32]: Clear GC_root_index[] likewise. (GC_rebuild_root_index) [CYGWIN32]: Define as on other windows hosts. (GC_remove_tmp_roots) [CYGWIN32]: Call it likewise. (GC_remove_roots) [CYGWIN32]: Don't define, as on other windows hosts. (GC_is_tmp_root) [CYGWIN32]: Define, as on other windows hosts. (GC_cond_register_dynamic_libraries) [CYGWIN32]: Handle temporary roots and dynamic registration likewise. * boehm-gc/dyn_load.c (GC_has_static_roots) [CYGWIN32]: Define as on other windows hosts. (GC_register_has_static_roots_callback) [CYGWIN32]: Likewise. (GC_cond_add_roots) [CYGWIN32]: Likewise. (GC_register_main_static_data) [CYGWIN32]: Define to always return false, as on MSWINCE (HAVE_REGISTER_MAIN_STATIC_DATA) [CYGWIN32]: Define as on other windows hosts. (GC_warn_fb) [CYGWIN32]: Likewise. (GC_disallow_ignore_fb) [CYGWIN32]: Likewise. (GC_ignore_fb_mb) [CYGWIN32]: Likewise. (GC_ignore_fb) [CYGWIN32]: Likewise. (is_frame_buffer) [CYGWIN32]: Likewise. (GC_dump_meminfo) [CYGWIN32]: Likewise. (GC_wnt) [CYGWIN32]: Define to constant true. (GC_register_dynamic_libraries) [CYGWIN32]: Define as on other windows hosts. From-SVN: r157604
2010-03-21 20:34:19 +01:00
# if defined(MSWIN32) || defined(MSWINCE) || defined(CYGWIN32)
1999-04-07 10:01:30 +02:00
/* Spend the time to ensure that there are no overlapping */
/* or adjacent intervals. */
/* This could be done faster with e.g. a */
/* balanced tree. But the execution time here is */
/* virtually guaranteed to be dominated by the time it */
/* takes to scan the roots. */
{
register int i;
for (i = 0; i < n_root_sets; i++) {
old = GC_static_roots + i;
1999-04-07 10:01:30 +02:00
if ((ptr_t)b <= old -> r_end && (ptr_t)e >= old -> r_start) {
if ((ptr_t)b < old -> r_start) {
old -> r_start = (ptr_t)b;
GC_root_size += (old -> r_start - (ptr_t)b);
}
if ((ptr_t)e > old -> r_end) {
old -> r_end = (ptr_t)e;
GC_root_size += ((ptr_t)e - old -> r_end);
}
old -> r_tmp &= tmp;
break;
}
}
if (i < n_root_sets) {
/* merge other overlapping intervals */
struct roots *other;
for (i++; i < n_root_sets; i++) {
other = GC_static_roots + i;
1999-04-07 10:01:30 +02:00
b = (char *)(other -> r_start);
e = (char *)(other -> r_end);
if ((ptr_t)b <= old -> r_end && (ptr_t)e >= old -> r_start) {
if ((ptr_t)b < old -> r_start) {
old -> r_start = (ptr_t)b;
GC_root_size += (old -> r_start - (ptr_t)b);
}
if ((ptr_t)e > old -> r_end) {
old -> r_end = (ptr_t)e;
GC_root_size += ((ptr_t)e - old -> r_end);
}
old -> r_tmp &= other -> r_tmp;
/* Delete this entry. */
GC_root_size -= (other -> r_end - other -> r_start);
other -> r_start = GC_static_roots[n_root_sets-1].r_start;
other -> r_end = GC_static_roots[n_root_sets-1].r_end;
1999-04-07 10:01:30 +02:00
n_root_sets--;
}
}
return;
}
}
# else
old = GC_roots_present(b);
if (old != 0) {
if ((ptr_t)e <= old -> r_end) /* already there */ return;
/* else extend */
GC_root_size += (ptr_t)e - old -> r_end;
old -> r_end = (ptr_t)e;
return;
}
# endif
if (n_root_sets == MAX_ROOT_SETS) {
ABORT("Too many root sets\n");
}
GC_static_roots[n_root_sets].r_start = (ptr_t)b;
GC_static_roots[n_root_sets].r_end = (ptr_t)e;
GC_static_roots[n_root_sets].r_tmp = tmp;
PR target/42811 (prerequisite) PR target/42811 (prerequisite) * include/private/gc_priv.h (struct roots) [CYGWIN32]: Don't declare r_next member on Cygwin as on other windows hosts. (LOG_RT_SIZE) [CYGWIN32]: Don't define likewise. (RT_SIZE) [CYGWIN32]: Likewise. (struct _GC_arrays) [CYGWIN32]: Do declare _heap_bases[] member likewise. (GC_heap_bases) [CYGWIN32]: Do define likewise. (struct _SYSTEM_INFO) [CYGWIN32]: Do forward-declare likewise. (GC_sysinfo) [CYGWIN32]: Do declare extern likewise. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GC_is_tmp_root) [CYGWIN32]: Do prototype likewise. * include/private/gcconfig.h (GC_win32_get_mem) [CYGWIN32]: Likewise. (GET_MEM) [CYGWIN32]: Do define likewise. * boehm-gc/ptr_chck.c (GC_is_visible) [CYGWIN32]: Do handle dynamic registration likewise. * boehm-gc/os_dep.c (GC_setpagesize) [CYGWIN32]: Do define likewise. (GC_no_win32_dlls) [CYGWIN32]: Define as constant false, unlike other windows hosts. (GC_sysinfo) [CYGWIN32]: Define as on other windows hosts. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GLOBAL_ALLOC_TEST) [CYGWIN32]: Likewise. (GC_win32_get_mem) [CYGWIN32]: Likewise, but wrapping GC_unix_get_mem rather than GlobalAlloc/VirtualAlloc. (GC_win32_free_heap) [CYGWIN32]: Likewise, but wrapping free instead of GlobalFree (even though the function body is optimised away). * boehm-gc/mark_rts.c (add_roots_to_index) [CYGWIN32]: Define as on other windows hosts. (GC_add_roots_inner) [CYGWIN32]: Avoid overlapping or adjacent intervals likewise. (GC_clear_roots) [CYGWIN32]: Clear GC_root_index[] likewise. (GC_rebuild_root_index) [CYGWIN32]: Define as on other windows hosts. (GC_remove_tmp_roots) [CYGWIN32]: Call it likewise. (GC_remove_roots) [CYGWIN32]: Don't define, as on other windows hosts. (GC_is_tmp_root) [CYGWIN32]: Define, as on other windows hosts. (GC_cond_register_dynamic_libraries) [CYGWIN32]: Handle temporary roots and dynamic registration likewise. * boehm-gc/dyn_load.c (GC_has_static_roots) [CYGWIN32]: Define as on other windows hosts. (GC_register_has_static_roots_callback) [CYGWIN32]: Likewise. (GC_cond_add_roots) [CYGWIN32]: Likewise. (GC_register_main_static_data) [CYGWIN32]: Define to always return false, as on MSWINCE (HAVE_REGISTER_MAIN_STATIC_DATA) [CYGWIN32]: Define as on other windows hosts. (GC_warn_fb) [CYGWIN32]: Likewise. (GC_disallow_ignore_fb) [CYGWIN32]: Likewise. (GC_ignore_fb_mb) [CYGWIN32]: Likewise. (GC_ignore_fb) [CYGWIN32]: Likewise. (is_frame_buffer) [CYGWIN32]: Likewise. (GC_dump_meminfo) [CYGWIN32]: Likewise. (GC_wnt) [CYGWIN32]: Define to constant true. (GC_register_dynamic_libraries) [CYGWIN32]: Define as on other windows hosts. From-SVN: r157604
2010-03-21 20:34:19 +01:00
# if !defined(MSWIN32) && !defined(MSWINCE) && !defined(CYGWIN32)
GC_static_roots[n_root_sets].r_next = 0;
1999-04-07 10:01:30 +02:00
# endif
add_roots_to_index(GC_static_roots + n_root_sets);
1999-04-07 10:01:30 +02:00
GC_root_size += (ptr_t)e - (ptr_t)b;
n_root_sets++;
}
static GC_bool roots_were_cleared = FALSE;
1999-04-07 10:01:30 +02:00
void GC_clear_roots GC_PROTO((void))
{
DCL_LOCK_STATE;
DISABLE_SIGNALS();
LOCK();
roots_were_cleared = TRUE;
1999-04-07 10:01:30 +02:00
n_root_sets = 0;
GC_root_size = 0;
PR target/42811 (prerequisite) PR target/42811 (prerequisite) * include/private/gc_priv.h (struct roots) [CYGWIN32]: Don't declare r_next member on Cygwin as on other windows hosts. (LOG_RT_SIZE) [CYGWIN32]: Don't define likewise. (RT_SIZE) [CYGWIN32]: Likewise. (struct _GC_arrays) [CYGWIN32]: Do declare _heap_bases[] member likewise. (GC_heap_bases) [CYGWIN32]: Do define likewise. (struct _SYSTEM_INFO) [CYGWIN32]: Do forward-declare likewise. (GC_sysinfo) [CYGWIN32]: Do declare extern likewise. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GC_is_tmp_root) [CYGWIN32]: Do prototype likewise. * include/private/gcconfig.h (GC_win32_get_mem) [CYGWIN32]: Likewise. (GET_MEM) [CYGWIN32]: Do define likewise. * boehm-gc/ptr_chck.c (GC_is_visible) [CYGWIN32]: Do handle dynamic registration likewise. * boehm-gc/os_dep.c (GC_setpagesize) [CYGWIN32]: Do define likewise. (GC_no_win32_dlls) [CYGWIN32]: Define as constant false, unlike other windows hosts. (GC_sysinfo) [CYGWIN32]: Define as on other windows hosts. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GLOBAL_ALLOC_TEST) [CYGWIN32]: Likewise. (GC_win32_get_mem) [CYGWIN32]: Likewise, but wrapping GC_unix_get_mem rather than GlobalAlloc/VirtualAlloc. (GC_win32_free_heap) [CYGWIN32]: Likewise, but wrapping free instead of GlobalFree (even though the function body is optimised away). * boehm-gc/mark_rts.c (add_roots_to_index) [CYGWIN32]: Define as on other windows hosts. (GC_add_roots_inner) [CYGWIN32]: Avoid overlapping or adjacent intervals likewise. (GC_clear_roots) [CYGWIN32]: Clear GC_root_index[] likewise. (GC_rebuild_root_index) [CYGWIN32]: Define as on other windows hosts. (GC_remove_tmp_roots) [CYGWIN32]: Call it likewise. (GC_remove_roots) [CYGWIN32]: Don't define, as on other windows hosts. (GC_is_tmp_root) [CYGWIN32]: Define, as on other windows hosts. (GC_cond_register_dynamic_libraries) [CYGWIN32]: Handle temporary roots and dynamic registration likewise. * boehm-gc/dyn_load.c (GC_has_static_roots) [CYGWIN32]: Define as on other windows hosts. (GC_register_has_static_roots_callback) [CYGWIN32]: Likewise. (GC_cond_add_roots) [CYGWIN32]: Likewise. (GC_register_main_static_data) [CYGWIN32]: Define to always return false, as on MSWINCE (HAVE_REGISTER_MAIN_STATIC_DATA) [CYGWIN32]: Define as on other windows hosts. (GC_warn_fb) [CYGWIN32]: Likewise. (GC_disallow_ignore_fb) [CYGWIN32]: Likewise. (GC_ignore_fb_mb) [CYGWIN32]: Likewise. (GC_ignore_fb) [CYGWIN32]: Likewise. (is_frame_buffer) [CYGWIN32]: Likewise. (GC_dump_meminfo) [CYGWIN32]: Likewise. (GC_wnt) [CYGWIN32]: Define to constant true. (GC_register_dynamic_libraries) [CYGWIN32]: Define as on other windows hosts. From-SVN: r157604
2010-03-21 20:34:19 +01:00
# if !defined(MSWIN32) && !defined(MSWINCE) && !defined(CYGWIN32)
1999-04-07 10:01:30 +02:00
{
register int i;
for (i = 0; i < RT_SIZE; i++) GC_root_index[i] = 0;
1999-04-07 10:01:30 +02:00
}
# endif
UNLOCK();
ENABLE_SIGNALS();
}
Import GC 6.3alpha1. * BCC_MAKEFILE: Merge with GC 6.3alpha1 release. * ChangeLog: Likewise. * Makefile.am: Likewise. * Makefile.direct: Likewise. * Makefile.dj: Likewise. * allchblk.c: Likewise. * alloc.c: Likewise. * backgraph.c: Likewise. * configure.host: Likewise. * configure.in: Likewise. * dbg_mlc.c: Likewise. * dyn_load.c: Likewise. * finalize.c: Likewise. * gc_cpp.cc: Likewise. * gc_dlopen.c: Likewise. * gcj_mlc.c: Likewise. * if_mach.c: Likewise. * mach_dep.c: Likewise. * malloc.c: Likewise. * mallocx.c: Likewise. * mark.c: Likewise. * mark_rts.c: Likewise. * misc.c: Likewise. * os_dep.c: Likewise. * ptr_chck.c: Likewise. * reclaim.c: Likewise. * solaris_pthreads.c: Likewise. * solaris_threads.c: Likewise. * sparc_mach_dep.S: Likewise. * threadlibs.c: Likewise. * typd_mlc.c: Likewise. * version.h: Likewise. * win32_threads.c: Likewise. * Mac_files/MacOS_Test_config.h: Likewise. * Mac_files/MacOS_config.h: Likewise. * cord/cordbscs.c: Likewise. * cord/cordprnt.c: Likewise. * cord/de_win.c: Likewise. * doc/README: Likewise. * doc/README.MacOSX: Likewise. * doc/README.changes: Likewise. * doc/README.environment: Likewise. * doc/README.ews4800: Likewise. * doc/README.linux: Likewise. * doc/README.macros: Likewise. * doc/README.win32: Likewise. * doc/debugging.html: Likewise. * doc/gcdescr.html: Likewise. * doc/tree.html: Likewise. * include/Makefile.in: Likewise. * include/gc.h: Likewise. * include/gc_cpp.h: Likewise. * include/gc_local_alloc.h: Likewise. * include/gc_mark.h: Likewise. * include/gc_pthread_redirects.h: Likewise. * include/gc_typed.h: Likewise. * include/new_gc_alloc.h: Likewise. * include/private/dbg_mlc.h: Likewise. * include/private/gc_hdrs.h: Likewise. * include/private/gc_locks.h: Likewise. * include/private/gc_pmark.h: Likewise. * include/private/gc_priv.h: Likewise. * include/private/gcconfig.h: Likewise. * include/private/solaris_threads.h: Likewise. * include/private/specific.h: Likewise. * tests/test.c: Likewise. * tests/test_cpp.cc: Likewise. * configure: Rebuild. * Makefile.in: Rebuild. * mips_sgi_mach_dep.s: Add. * alpha_mach_dep.s: Remove. * irix_threads.c: Remove. * linux_threads.c: Remove. * mips_sgi_mach_dep.S: Remove. * missing: Remove. * powerpc_macosx_mach_dep.s: Remove. * doc/Makefile.am: Remove. * doc/Makefile.in: Remove. From-SVN: r69880
2003-07-28 06:18:23 +02:00
/* Internal use only; lock held. */
static void GC_remove_root_at_pos(i)
int i;
{
GC_root_size -= (GC_static_roots[i].r_end - GC_static_roots[i].r_start);
GC_static_roots[i].r_start = GC_static_roots[n_root_sets-1].r_start;
GC_static_roots[i].r_end = GC_static_roots[n_root_sets-1].r_end;
GC_static_roots[i].r_tmp = GC_static_roots[n_root_sets-1].r_tmp;
n_root_sets--;
}
PR target/42811 (prerequisite) PR target/42811 (prerequisite) * include/private/gc_priv.h (struct roots) [CYGWIN32]: Don't declare r_next member on Cygwin as on other windows hosts. (LOG_RT_SIZE) [CYGWIN32]: Don't define likewise. (RT_SIZE) [CYGWIN32]: Likewise. (struct _GC_arrays) [CYGWIN32]: Do declare _heap_bases[] member likewise. (GC_heap_bases) [CYGWIN32]: Do define likewise. (struct _SYSTEM_INFO) [CYGWIN32]: Do forward-declare likewise. (GC_sysinfo) [CYGWIN32]: Do declare extern likewise. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GC_is_tmp_root) [CYGWIN32]: Do prototype likewise. * include/private/gcconfig.h (GC_win32_get_mem) [CYGWIN32]: Likewise. (GET_MEM) [CYGWIN32]: Do define likewise. * boehm-gc/ptr_chck.c (GC_is_visible) [CYGWIN32]: Do handle dynamic registration likewise. * boehm-gc/os_dep.c (GC_setpagesize) [CYGWIN32]: Do define likewise. (GC_no_win32_dlls) [CYGWIN32]: Define as constant false, unlike other windows hosts. (GC_sysinfo) [CYGWIN32]: Define as on other windows hosts. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GLOBAL_ALLOC_TEST) [CYGWIN32]: Likewise. (GC_win32_get_mem) [CYGWIN32]: Likewise, but wrapping GC_unix_get_mem rather than GlobalAlloc/VirtualAlloc. (GC_win32_free_heap) [CYGWIN32]: Likewise, but wrapping free instead of GlobalFree (even though the function body is optimised away). * boehm-gc/mark_rts.c (add_roots_to_index) [CYGWIN32]: Define as on other windows hosts. (GC_add_roots_inner) [CYGWIN32]: Avoid overlapping or adjacent intervals likewise. (GC_clear_roots) [CYGWIN32]: Clear GC_root_index[] likewise. (GC_rebuild_root_index) [CYGWIN32]: Define as on other windows hosts. (GC_remove_tmp_roots) [CYGWIN32]: Call it likewise. (GC_remove_roots) [CYGWIN32]: Don't define, as on other windows hosts. (GC_is_tmp_root) [CYGWIN32]: Define, as on other windows hosts. (GC_cond_register_dynamic_libraries) [CYGWIN32]: Handle temporary roots and dynamic registration likewise. * boehm-gc/dyn_load.c (GC_has_static_roots) [CYGWIN32]: Define as on other windows hosts. (GC_register_has_static_roots_callback) [CYGWIN32]: Likewise. (GC_cond_add_roots) [CYGWIN32]: Likewise. (GC_register_main_static_data) [CYGWIN32]: Define to always return false, as on MSWINCE (HAVE_REGISTER_MAIN_STATIC_DATA) [CYGWIN32]: Define as on other windows hosts. (GC_warn_fb) [CYGWIN32]: Likewise. (GC_disallow_ignore_fb) [CYGWIN32]: Likewise. (GC_ignore_fb_mb) [CYGWIN32]: Likewise. (GC_ignore_fb) [CYGWIN32]: Likewise. (is_frame_buffer) [CYGWIN32]: Likewise. (GC_dump_meminfo) [CYGWIN32]: Likewise. (GC_wnt) [CYGWIN32]: Define to constant true. (GC_register_dynamic_libraries) [CYGWIN32]: Define as on other windows hosts. From-SVN: r157604
2010-03-21 20:34:19 +01:00
#if !defined(MSWIN32) && !defined(MSWINCE) && !defined(CYGWIN32)
Import GC 6.3alpha1. * BCC_MAKEFILE: Merge with GC 6.3alpha1 release. * ChangeLog: Likewise. * Makefile.am: Likewise. * Makefile.direct: Likewise. * Makefile.dj: Likewise. * allchblk.c: Likewise. * alloc.c: Likewise. * backgraph.c: Likewise. * configure.host: Likewise. * configure.in: Likewise. * dbg_mlc.c: Likewise. * dyn_load.c: Likewise. * finalize.c: Likewise. * gc_cpp.cc: Likewise. * gc_dlopen.c: Likewise. * gcj_mlc.c: Likewise. * if_mach.c: Likewise. * mach_dep.c: Likewise. * malloc.c: Likewise. * mallocx.c: Likewise. * mark.c: Likewise. * mark_rts.c: Likewise. * misc.c: Likewise. * os_dep.c: Likewise. * ptr_chck.c: Likewise. * reclaim.c: Likewise. * solaris_pthreads.c: Likewise. * solaris_threads.c: Likewise. * sparc_mach_dep.S: Likewise. * threadlibs.c: Likewise. * typd_mlc.c: Likewise. * version.h: Likewise. * win32_threads.c: Likewise. * Mac_files/MacOS_Test_config.h: Likewise. * Mac_files/MacOS_config.h: Likewise. * cord/cordbscs.c: Likewise. * cord/cordprnt.c: Likewise. * cord/de_win.c: Likewise. * doc/README: Likewise. * doc/README.MacOSX: Likewise. * doc/README.changes: Likewise. * doc/README.environment: Likewise. * doc/README.ews4800: Likewise. * doc/README.linux: Likewise. * doc/README.macros: Likewise. * doc/README.win32: Likewise. * doc/debugging.html: Likewise. * doc/gcdescr.html: Likewise. * doc/tree.html: Likewise. * include/Makefile.in: Likewise. * include/gc.h: Likewise. * include/gc_cpp.h: Likewise. * include/gc_local_alloc.h: Likewise. * include/gc_mark.h: Likewise. * include/gc_pthread_redirects.h: Likewise. * include/gc_typed.h: Likewise. * include/new_gc_alloc.h: Likewise. * include/private/dbg_mlc.h: Likewise. * include/private/gc_hdrs.h: Likewise. * include/private/gc_locks.h: Likewise. * include/private/gc_pmark.h: Likewise. * include/private/gc_priv.h: Likewise. * include/private/gcconfig.h: Likewise. * include/private/solaris_threads.h: Likewise. * include/private/specific.h: Likewise. * tests/test.c: Likewise. * tests/test_cpp.cc: Likewise. * configure: Rebuild. * Makefile.in: Rebuild. * mips_sgi_mach_dep.s: Add. * alpha_mach_dep.s: Remove. * irix_threads.c: Remove. * linux_threads.c: Remove. * mips_sgi_mach_dep.S: Remove. * missing: Remove. * powerpc_macosx_mach_dep.s: Remove. * doc/Makefile.am: Remove. * doc/Makefile.in: Remove. From-SVN: r69880
2003-07-28 06:18:23 +02:00
static void GC_rebuild_root_index()
{
register int i;
for (i = 0; i < RT_SIZE; i++) GC_root_index[i] = 0;
for (i = 0; i < n_root_sets; i++)
add_roots_to_index(GC_static_roots + i);
}
#endif
1999-04-07 10:01:30 +02:00
/* Internal use only; lock held. */
void GC_remove_tmp_roots()
{
register int i;
for (i = 0; i < n_root_sets; ) {
if (GC_static_roots[i].r_tmp) {
Import GC 6.3alpha1. * BCC_MAKEFILE: Merge with GC 6.3alpha1 release. * ChangeLog: Likewise. * Makefile.am: Likewise. * Makefile.direct: Likewise. * Makefile.dj: Likewise. * allchblk.c: Likewise. * alloc.c: Likewise. * backgraph.c: Likewise. * configure.host: Likewise. * configure.in: Likewise. * dbg_mlc.c: Likewise. * dyn_load.c: Likewise. * finalize.c: Likewise. * gc_cpp.cc: Likewise. * gc_dlopen.c: Likewise. * gcj_mlc.c: Likewise. * if_mach.c: Likewise. * mach_dep.c: Likewise. * malloc.c: Likewise. * mallocx.c: Likewise. * mark.c: Likewise. * mark_rts.c: Likewise. * misc.c: Likewise. * os_dep.c: Likewise. * ptr_chck.c: Likewise. * reclaim.c: Likewise. * solaris_pthreads.c: Likewise. * solaris_threads.c: Likewise. * sparc_mach_dep.S: Likewise. * threadlibs.c: Likewise. * typd_mlc.c: Likewise. * version.h: Likewise. * win32_threads.c: Likewise. * Mac_files/MacOS_Test_config.h: Likewise. * Mac_files/MacOS_config.h: Likewise. * cord/cordbscs.c: Likewise. * cord/cordprnt.c: Likewise. * cord/de_win.c: Likewise. * doc/README: Likewise. * doc/README.MacOSX: Likewise. * doc/README.changes: Likewise. * doc/README.environment: Likewise. * doc/README.ews4800: Likewise. * doc/README.linux: Likewise. * doc/README.macros: Likewise. * doc/README.win32: Likewise. * doc/debugging.html: Likewise. * doc/gcdescr.html: Likewise. * doc/tree.html: Likewise. * include/Makefile.in: Likewise. * include/gc.h: Likewise. * include/gc_cpp.h: Likewise. * include/gc_local_alloc.h: Likewise. * include/gc_mark.h: Likewise. * include/gc_pthread_redirects.h: Likewise. * include/gc_typed.h: Likewise. * include/new_gc_alloc.h: Likewise. * include/private/dbg_mlc.h: Likewise. * include/private/gc_hdrs.h: Likewise. * include/private/gc_locks.h: Likewise. * include/private/gc_pmark.h: Likewise. * include/private/gc_priv.h: Likewise. * include/private/gcconfig.h: Likewise. * include/private/solaris_threads.h: Likewise. * include/private/specific.h: Likewise. * tests/test.c: Likewise. * tests/test_cpp.cc: Likewise. * configure: Rebuild. * Makefile.in: Rebuild. * mips_sgi_mach_dep.s: Add. * alpha_mach_dep.s: Remove. * irix_threads.c: Remove. * linux_threads.c: Remove. * mips_sgi_mach_dep.S: Remove. * missing: Remove. * powerpc_macosx_mach_dep.s: Remove. * doc/Makefile.am: Remove. * doc/Makefile.in: Remove. From-SVN: r69880
2003-07-28 06:18:23 +02:00
GC_remove_root_at_pos(i);
1999-04-07 10:01:30 +02:00
} else {
i++;
}
}
PR target/42811 (prerequisite) PR target/42811 (prerequisite) * include/private/gc_priv.h (struct roots) [CYGWIN32]: Don't declare r_next member on Cygwin as on other windows hosts. (LOG_RT_SIZE) [CYGWIN32]: Don't define likewise. (RT_SIZE) [CYGWIN32]: Likewise. (struct _GC_arrays) [CYGWIN32]: Do declare _heap_bases[] member likewise. (GC_heap_bases) [CYGWIN32]: Do define likewise. (struct _SYSTEM_INFO) [CYGWIN32]: Do forward-declare likewise. (GC_sysinfo) [CYGWIN32]: Do declare extern likewise. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GC_is_tmp_root) [CYGWIN32]: Do prototype likewise. * include/private/gcconfig.h (GC_win32_get_mem) [CYGWIN32]: Likewise. (GET_MEM) [CYGWIN32]: Do define likewise. * boehm-gc/ptr_chck.c (GC_is_visible) [CYGWIN32]: Do handle dynamic registration likewise. * boehm-gc/os_dep.c (GC_setpagesize) [CYGWIN32]: Do define likewise. (GC_no_win32_dlls) [CYGWIN32]: Define as constant false, unlike other windows hosts. (GC_sysinfo) [CYGWIN32]: Define as on other windows hosts. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GLOBAL_ALLOC_TEST) [CYGWIN32]: Likewise. (GC_win32_get_mem) [CYGWIN32]: Likewise, but wrapping GC_unix_get_mem rather than GlobalAlloc/VirtualAlloc. (GC_win32_free_heap) [CYGWIN32]: Likewise, but wrapping free instead of GlobalFree (even though the function body is optimised away). * boehm-gc/mark_rts.c (add_roots_to_index) [CYGWIN32]: Define as on other windows hosts. (GC_add_roots_inner) [CYGWIN32]: Avoid overlapping or adjacent intervals likewise. (GC_clear_roots) [CYGWIN32]: Clear GC_root_index[] likewise. (GC_rebuild_root_index) [CYGWIN32]: Define as on other windows hosts. (GC_remove_tmp_roots) [CYGWIN32]: Call it likewise. (GC_remove_roots) [CYGWIN32]: Don't define, as on other windows hosts. (GC_is_tmp_root) [CYGWIN32]: Define, as on other windows hosts. (GC_cond_register_dynamic_libraries) [CYGWIN32]: Handle temporary roots and dynamic registration likewise. * boehm-gc/dyn_load.c (GC_has_static_roots) [CYGWIN32]: Define as on other windows hosts. (GC_register_has_static_roots_callback) [CYGWIN32]: Likewise. (GC_cond_add_roots) [CYGWIN32]: Likewise. (GC_register_main_static_data) [CYGWIN32]: Define to always return false, as on MSWINCE (HAVE_REGISTER_MAIN_STATIC_DATA) [CYGWIN32]: Define as on other windows hosts. (GC_warn_fb) [CYGWIN32]: Likewise. (GC_disallow_ignore_fb) [CYGWIN32]: Likewise. (GC_ignore_fb_mb) [CYGWIN32]: Likewise. (GC_ignore_fb) [CYGWIN32]: Likewise. (is_frame_buffer) [CYGWIN32]: Likewise. (GC_dump_meminfo) [CYGWIN32]: Likewise. (GC_wnt) [CYGWIN32]: Define to constant true. (GC_register_dynamic_libraries) [CYGWIN32]: Define as on other windows hosts. From-SVN: r157604
2010-03-21 20:34:19 +01:00
#if !defined(MSWIN32) && !defined(MSWINCE) && !defined(CYGWIN32)
Import GC 6.3alpha1. * BCC_MAKEFILE: Merge with GC 6.3alpha1 release. * ChangeLog: Likewise. * Makefile.am: Likewise. * Makefile.direct: Likewise. * Makefile.dj: Likewise. * allchblk.c: Likewise. * alloc.c: Likewise. * backgraph.c: Likewise. * configure.host: Likewise. * configure.in: Likewise. * dbg_mlc.c: Likewise. * dyn_load.c: Likewise. * finalize.c: Likewise. * gc_cpp.cc: Likewise. * gc_dlopen.c: Likewise. * gcj_mlc.c: Likewise. * if_mach.c: Likewise. * mach_dep.c: Likewise. * malloc.c: Likewise. * mallocx.c: Likewise. * mark.c: Likewise. * mark_rts.c: Likewise. * misc.c: Likewise. * os_dep.c: Likewise. * ptr_chck.c: Likewise. * reclaim.c: Likewise. * solaris_pthreads.c: Likewise. * solaris_threads.c: Likewise. * sparc_mach_dep.S: Likewise. * threadlibs.c: Likewise. * typd_mlc.c: Likewise. * version.h: Likewise. * win32_threads.c: Likewise. * Mac_files/MacOS_Test_config.h: Likewise. * Mac_files/MacOS_config.h: Likewise. * cord/cordbscs.c: Likewise. * cord/cordprnt.c: Likewise. * cord/de_win.c: Likewise. * doc/README: Likewise. * doc/README.MacOSX: Likewise. * doc/README.changes: Likewise. * doc/README.environment: Likewise. * doc/README.ews4800: Likewise. * doc/README.linux: Likewise. * doc/README.macros: Likewise. * doc/README.win32: Likewise. * doc/debugging.html: Likewise. * doc/gcdescr.html: Likewise. * doc/tree.html: Likewise. * include/Makefile.in: Likewise. * include/gc.h: Likewise. * include/gc_cpp.h: Likewise. * include/gc_local_alloc.h: Likewise. * include/gc_mark.h: Likewise. * include/gc_pthread_redirects.h: Likewise. * include/gc_typed.h: Likewise. * include/new_gc_alloc.h: Likewise. * include/private/dbg_mlc.h: Likewise. * include/private/gc_hdrs.h: Likewise. * include/private/gc_locks.h: Likewise. * include/private/gc_pmark.h: Likewise. * include/private/gc_priv.h: Likewise. * include/private/gcconfig.h: Likewise. * include/private/solaris_threads.h: Likewise. * include/private/specific.h: Likewise. * tests/test.c: Likewise. * tests/test_cpp.cc: Likewise. * configure: Rebuild. * Makefile.in: Rebuild. * mips_sgi_mach_dep.s: Add. * alpha_mach_dep.s: Remove. * irix_threads.c: Remove. * linux_threads.c: Remove. * mips_sgi_mach_dep.S: Remove. * missing: Remove. * powerpc_macosx_mach_dep.s: Remove. * doc/Makefile.am: Remove. * doc/Makefile.in: Remove. From-SVN: r69880
2003-07-28 06:18:23 +02:00
GC_rebuild_root_index();
#endif
}
PR target/42811 (prerequisite) PR target/42811 (prerequisite) * include/private/gc_priv.h (struct roots) [CYGWIN32]: Don't declare r_next member on Cygwin as on other windows hosts. (LOG_RT_SIZE) [CYGWIN32]: Don't define likewise. (RT_SIZE) [CYGWIN32]: Likewise. (struct _GC_arrays) [CYGWIN32]: Do declare _heap_bases[] member likewise. (GC_heap_bases) [CYGWIN32]: Do define likewise. (struct _SYSTEM_INFO) [CYGWIN32]: Do forward-declare likewise. (GC_sysinfo) [CYGWIN32]: Do declare extern likewise. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GC_is_tmp_root) [CYGWIN32]: Do prototype likewise. * include/private/gcconfig.h (GC_win32_get_mem) [CYGWIN32]: Likewise. (GET_MEM) [CYGWIN32]: Do define likewise. * boehm-gc/ptr_chck.c (GC_is_visible) [CYGWIN32]: Do handle dynamic registration likewise. * boehm-gc/os_dep.c (GC_setpagesize) [CYGWIN32]: Do define likewise. (GC_no_win32_dlls) [CYGWIN32]: Define as constant false, unlike other windows hosts. (GC_sysinfo) [CYGWIN32]: Define as on other windows hosts. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GLOBAL_ALLOC_TEST) [CYGWIN32]: Likewise. (GC_win32_get_mem) [CYGWIN32]: Likewise, but wrapping GC_unix_get_mem rather than GlobalAlloc/VirtualAlloc. (GC_win32_free_heap) [CYGWIN32]: Likewise, but wrapping free instead of GlobalFree (even though the function body is optimised away). * boehm-gc/mark_rts.c (add_roots_to_index) [CYGWIN32]: Define as on other windows hosts. (GC_add_roots_inner) [CYGWIN32]: Avoid overlapping or adjacent intervals likewise. (GC_clear_roots) [CYGWIN32]: Clear GC_root_index[] likewise. (GC_rebuild_root_index) [CYGWIN32]: Define as on other windows hosts. (GC_remove_tmp_roots) [CYGWIN32]: Call it likewise. (GC_remove_roots) [CYGWIN32]: Don't define, as on other windows hosts. (GC_is_tmp_root) [CYGWIN32]: Define, as on other windows hosts. (GC_cond_register_dynamic_libraries) [CYGWIN32]: Handle temporary roots and dynamic registration likewise. * boehm-gc/dyn_load.c (GC_has_static_roots) [CYGWIN32]: Define as on other windows hosts. (GC_register_has_static_roots_callback) [CYGWIN32]: Likewise. (GC_cond_add_roots) [CYGWIN32]: Likewise. (GC_register_main_static_data) [CYGWIN32]: Define to always return false, as on MSWINCE (HAVE_REGISTER_MAIN_STATIC_DATA) [CYGWIN32]: Define as on other windows hosts. (GC_warn_fb) [CYGWIN32]: Likewise. (GC_disallow_ignore_fb) [CYGWIN32]: Likewise. (GC_ignore_fb_mb) [CYGWIN32]: Likewise. (GC_ignore_fb) [CYGWIN32]: Likewise. (is_frame_buffer) [CYGWIN32]: Likewise. (GC_dump_meminfo) [CYGWIN32]: Likewise. (GC_wnt) [CYGWIN32]: Define to constant true. (GC_register_dynamic_libraries) [CYGWIN32]: Define as on other windows hosts. From-SVN: r157604
2010-03-21 20:34:19 +01:00
#if !defined(MSWIN32) && !defined(MSWINCE) && !defined(CYGWIN32)
Import GC 6.3alpha1. * BCC_MAKEFILE: Merge with GC 6.3alpha1 release. * ChangeLog: Likewise. * Makefile.am: Likewise. * Makefile.direct: Likewise. * Makefile.dj: Likewise. * allchblk.c: Likewise. * alloc.c: Likewise. * backgraph.c: Likewise. * configure.host: Likewise. * configure.in: Likewise. * dbg_mlc.c: Likewise. * dyn_load.c: Likewise. * finalize.c: Likewise. * gc_cpp.cc: Likewise. * gc_dlopen.c: Likewise. * gcj_mlc.c: Likewise. * if_mach.c: Likewise. * mach_dep.c: Likewise. * malloc.c: Likewise. * mallocx.c: Likewise. * mark.c: Likewise. * mark_rts.c: Likewise. * misc.c: Likewise. * os_dep.c: Likewise. * ptr_chck.c: Likewise. * reclaim.c: Likewise. * solaris_pthreads.c: Likewise. * solaris_threads.c: Likewise. * sparc_mach_dep.S: Likewise. * threadlibs.c: Likewise. * typd_mlc.c: Likewise. * version.h: Likewise. * win32_threads.c: Likewise. * Mac_files/MacOS_Test_config.h: Likewise. * Mac_files/MacOS_config.h: Likewise. * cord/cordbscs.c: Likewise. * cord/cordprnt.c: Likewise. * cord/de_win.c: Likewise. * doc/README: Likewise. * doc/README.MacOSX: Likewise. * doc/README.changes: Likewise. * doc/README.environment: Likewise. * doc/README.ews4800: Likewise. * doc/README.linux: Likewise. * doc/README.macros: Likewise. * doc/README.win32: Likewise. * doc/debugging.html: Likewise. * doc/gcdescr.html: Likewise. * doc/tree.html: Likewise. * include/Makefile.in: Likewise. * include/gc.h: Likewise. * include/gc_cpp.h: Likewise. * include/gc_local_alloc.h: Likewise. * include/gc_mark.h: Likewise. * include/gc_pthread_redirects.h: Likewise. * include/gc_typed.h: Likewise. * include/new_gc_alloc.h: Likewise. * include/private/dbg_mlc.h: Likewise. * include/private/gc_hdrs.h: Likewise. * include/private/gc_locks.h: Likewise. * include/private/gc_pmark.h: Likewise. * include/private/gc_priv.h: Likewise. * include/private/gcconfig.h: Likewise. * include/private/solaris_threads.h: Likewise. * include/private/specific.h: Likewise. * tests/test.c: Likewise. * tests/test_cpp.cc: Likewise. * configure: Rebuild. * Makefile.in: Rebuild. * mips_sgi_mach_dep.s: Add. * alpha_mach_dep.s: Remove. * irix_threads.c: Remove. * linux_threads.c: Remove. * mips_sgi_mach_dep.S: Remove. * missing: Remove. * powerpc_macosx_mach_dep.s: Remove. * doc/Makefile.am: Remove. * doc/Makefile.in: Remove. From-SVN: r69880
2003-07-28 06:18:23 +02:00
void GC_remove_roots(b, e)
char * b; char * e;
{
DCL_LOCK_STATE;
1999-04-07 10:01:30 +02:00
Import GC 6.3alpha1. * BCC_MAKEFILE: Merge with GC 6.3alpha1 release. * ChangeLog: Likewise. * Makefile.am: Likewise. * Makefile.direct: Likewise. * Makefile.dj: Likewise. * allchblk.c: Likewise. * alloc.c: Likewise. * backgraph.c: Likewise. * configure.host: Likewise. * configure.in: Likewise. * dbg_mlc.c: Likewise. * dyn_load.c: Likewise. * finalize.c: Likewise. * gc_cpp.cc: Likewise. * gc_dlopen.c: Likewise. * gcj_mlc.c: Likewise. * if_mach.c: Likewise. * mach_dep.c: Likewise. * malloc.c: Likewise. * mallocx.c: Likewise. * mark.c: Likewise. * mark_rts.c: Likewise. * misc.c: Likewise. * os_dep.c: Likewise. * ptr_chck.c: Likewise. * reclaim.c: Likewise. * solaris_pthreads.c: Likewise. * solaris_threads.c: Likewise. * sparc_mach_dep.S: Likewise. * threadlibs.c: Likewise. * typd_mlc.c: Likewise. * version.h: Likewise. * win32_threads.c: Likewise. * Mac_files/MacOS_Test_config.h: Likewise. * Mac_files/MacOS_config.h: Likewise. * cord/cordbscs.c: Likewise. * cord/cordprnt.c: Likewise. * cord/de_win.c: Likewise. * doc/README: Likewise. * doc/README.MacOSX: Likewise. * doc/README.changes: Likewise. * doc/README.environment: Likewise. * doc/README.ews4800: Likewise. * doc/README.linux: Likewise. * doc/README.macros: Likewise. * doc/README.win32: Likewise. * doc/debugging.html: Likewise. * doc/gcdescr.html: Likewise. * doc/tree.html: Likewise. * include/Makefile.in: Likewise. * include/gc.h: Likewise. * include/gc_cpp.h: Likewise. * include/gc_local_alloc.h: Likewise. * include/gc_mark.h: Likewise. * include/gc_pthread_redirects.h: Likewise. * include/gc_typed.h: Likewise. * include/new_gc_alloc.h: Likewise. * include/private/dbg_mlc.h: Likewise. * include/private/gc_hdrs.h: Likewise. * include/private/gc_locks.h: Likewise. * include/private/gc_pmark.h: Likewise. * include/private/gc_priv.h: Likewise. * include/private/gcconfig.h: Likewise. * include/private/solaris_threads.h: Likewise. * include/private/specific.h: Likewise. * tests/test.c: Likewise. * tests/test_cpp.cc: Likewise. * configure: Rebuild. * Makefile.in: Rebuild. * mips_sgi_mach_dep.s: Add. * alpha_mach_dep.s: Remove. * irix_threads.c: Remove. * linux_threads.c: Remove. * mips_sgi_mach_dep.S: Remove. * missing: Remove. * powerpc_macosx_mach_dep.s: Remove. * doc/Makefile.am: Remove. * doc/Makefile.in: Remove. From-SVN: r69880
2003-07-28 06:18:23 +02:00
DISABLE_SIGNALS();
LOCK();
GC_remove_roots_inner(b, e);
UNLOCK();
ENABLE_SIGNALS();
}
/* Should only be called when the lock is held */
void GC_remove_roots_inner(b,e)
char * b; char * e;
{
int i;
for (i = 0; i < n_root_sets; ) {
if (GC_static_roots[i].r_start >= (ptr_t)b && GC_static_roots[i].r_end <= (ptr_t)e) {
GC_remove_root_at_pos(i);
} else {
i++;
}
}
GC_rebuild_root_index();
1999-04-07 10:01:30 +02:00
}
PR target/42811 (prerequisite) PR target/42811 (prerequisite) * include/private/gc_priv.h (struct roots) [CYGWIN32]: Don't declare r_next member on Cygwin as on other windows hosts. (LOG_RT_SIZE) [CYGWIN32]: Don't define likewise. (RT_SIZE) [CYGWIN32]: Likewise. (struct _GC_arrays) [CYGWIN32]: Do declare _heap_bases[] member likewise. (GC_heap_bases) [CYGWIN32]: Do define likewise. (struct _SYSTEM_INFO) [CYGWIN32]: Do forward-declare likewise. (GC_sysinfo) [CYGWIN32]: Do declare extern likewise. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GC_is_tmp_root) [CYGWIN32]: Do prototype likewise. * include/private/gcconfig.h (GC_win32_get_mem) [CYGWIN32]: Likewise. (GET_MEM) [CYGWIN32]: Do define likewise. * boehm-gc/ptr_chck.c (GC_is_visible) [CYGWIN32]: Do handle dynamic registration likewise. * boehm-gc/os_dep.c (GC_setpagesize) [CYGWIN32]: Do define likewise. (GC_no_win32_dlls) [CYGWIN32]: Define as constant false, unlike other windows hosts. (GC_sysinfo) [CYGWIN32]: Define as on other windows hosts. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GLOBAL_ALLOC_TEST) [CYGWIN32]: Likewise. (GC_win32_get_mem) [CYGWIN32]: Likewise, but wrapping GC_unix_get_mem rather than GlobalAlloc/VirtualAlloc. (GC_win32_free_heap) [CYGWIN32]: Likewise, but wrapping free instead of GlobalFree (even though the function body is optimised away). * boehm-gc/mark_rts.c (add_roots_to_index) [CYGWIN32]: Define as on other windows hosts. (GC_add_roots_inner) [CYGWIN32]: Avoid overlapping or adjacent intervals likewise. (GC_clear_roots) [CYGWIN32]: Clear GC_root_index[] likewise. (GC_rebuild_root_index) [CYGWIN32]: Define as on other windows hosts. (GC_remove_tmp_roots) [CYGWIN32]: Call it likewise. (GC_remove_roots) [CYGWIN32]: Don't define, as on other windows hosts. (GC_is_tmp_root) [CYGWIN32]: Define, as on other windows hosts. (GC_cond_register_dynamic_libraries) [CYGWIN32]: Handle temporary roots and dynamic registration likewise. * boehm-gc/dyn_load.c (GC_has_static_roots) [CYGWIN32]: Define as on other windows hosts. (GC_register_has_static_roots_callback) [CYGWIN32]: Likewise. (GC_cond_add_roots) [CYGWIN32]: Likewise. (GC_register_main_static_data) [CYGWIN32]: Define to always return false, as on MSWINCE (HAVE_REGISTER_MAIN_STATIC_DATA) [CYGWIN32]: Define as on other windows hosts. (GC_warn_fb) [CYGWIN32]: Likewise. (GC_disallow_ignore_fb) [CYGWIN32]: Likewise. (GC_ignore_fb_mb) [CYGWIN32]: Likewise. (GC_ignore_fb) [CYGWIN32]: Likewise. (is_frame_buffer) [CYGWIN32]: Likewise. (GC_dump_meminfo) [CYGWIN32]: Likewise. (GC_wnt) [CYGWIN32]: Define to constant true. (GC_register_dynamic_libraries) [CYGWIN32]: Define as on other windows hosts. From-SVN: r157604
2010-03-21 20:34:19 +01:00
#endif /* !defined(MSWIN32) && !defined(MSWINCE) && !defined(CYGWIN32) */
1999-04-07 10:01:30 +02:00
PR target/42811 (prerequisite) PR target/42811 (prerequisite) * include/private/gc_priv.h (struct roots) [CYGWIN32]: Don't declare r_next member on Cygwin as on other windows hosts. (LOG_RT_SIZE) [CYGWIN32]: Don't define likewise. (RT_SIZE) [CYGWIN32]: Likewise. (struct _GC_arrays) [CYGWIN32]: Do declare _heap_bases[] member likewise. (GC_heap_bases) [CYGWIN32]: Do define likewise. (struct _SYSTEM_INFO) [CYGWIN32]: Do forward-declare likewise. (GC_sysinfo) [CYGWIN32]: Do declare extern likewise. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GC_is_tmp_root) [CYGWIN32]: Do prototype likewise. * include/private/gcconfig.h (GC_win32_get_mem) [CYGWIN32]: Likewise. (GET_MEM) [CYGWIN32]: Do define likewise. * boehm-gc/ptr_chck.c (GC_is_visible) [CYGWIN32]: Do handle dynamic registration likewise. * boehm-gc/os_dep.c (GC_setpagesize) [CYGWIN32]: Do define likewise. (GC_no_win32_dlls) [CYGWIN32]: Define as constant false, unlike other windows hosts. (GC_sysinfo) [CYGWIN32]: Define as on other windows hosts. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GLOBAL_ALLOC_TEST) [CYGWIN32]: Likewise. (GC_win32_get_mem) [CYGWIN32]: Likewise, but wrapping GC_unix_get_mem rather than GlobalAlloc/VirtualAlloc. (GC_win32_free_heap) [CYGWIN32]: Likewise, but wrapping free instead of GlobalFree (even though the function body is optimised away). * boehm-gc/mark_rts.c (add_roots_to_index) [CYGWIN32]: Define as on other windows hosts. (GC_add_roots_inner) [CYGWIN32]: Avoid overlapping or adjacent intervals likewise. (GC_clear_roots) [CYGWIN32]: Clear GC_root_index[] likewise. (GC_rebuild_root_index) [CYGWIN32]: Define as on other windows hosts. (GC_remove_tmp_roots) [CYGWIN32]: Call it likewise. (GC_remove_roots) [CYGWIN32]: Don't define, as on other windows hosts. (GC_is_tmp_root) [CYGWIN32]: Define, as on other windows hosts. (GC_cond_register_dynamic_libraries) [CYGWIN32]: Handle temporary roots and dynamic registration likewise. * boehm-gc/dyn_load.c (GC_has_static_roots) [CYGWIN32]: Define as on other windows hosts. (GC_register_has_static_roots_callback) [CYGWIN32]: Likewise. (GC_cond_add_roots) [CYGWIN32]: Likewise. (GC_register_main_static_data) [CYGWIN32]: Define to always return false, as on MSWINCE (HAVE_REGISTER_MAIN_STATIC_DATA) [CYGWIN32]: Define as on other windows hosts. (GC_warn_fb) [CYGWIN32]: Likewise. (GC_disallow_ignore_fb) [CYGWIN32]: Likewise. (GC_ignore_fb_mb) [CYGWIN32]: Likewise. (GC_ignore_fb) [CYGWIN32]: Likewise. (is_frame_buffer) [CYGWIN32]: Likewise. (GC_dump_meminfo) [CYGWIN32]: Likewise. (GC_wnt) [CYGWIN32]: Define to constant true. (GC_register_dynamic_libraries) [CYGWIN32]: Define as on other windows hosts. From-SVN: r157604
2010-03-21 20:34:19 +01:00
#if defined(MSWIN32) || defined(_WIN32_WCE_EMULATION) || defined(CYGWIN32)
/* Workaround for the OS mapping and unmapping behind our back: */
/* Is the address p in one of the temporary static root sections? */
GC_bool GC_is_tmp_root(p)
ptr_t p;
{
static int last_root_set = MAX_ROOT_SETS;
register int i;
if (last_root_set < n_root_sets
&& p >= GC_static_roots[last_root_set].r_start
&& p < GC_static_roots[last_root_set].r_end)
return GC_static_roots[last_root_set].r_tmp;
for (i = 0; i < n_root_sets; i++) {
if (p >= GC_static_roots[i].r_start
&& p < GC_static_roots[i].r_end) {
last_root_set = i;
return GC_static_roots[i].r_tmp;
}
}
return(FALSE);
}
PR target/42811 (prerequisite) PR target/42811 (prerequisite) * include/private/gc_priv.h (struct roots) [CYGWIN32]: Don't declare r_next member on Cygwin as on other windows hosts. (LOG_RT_SIZE) [CYGWIN32]: Don't define likewise. (RT_SIZE) [CYGWIN32]: Likewise. (struct _GC_arrays) [CYGWIN32]: Do declare _heap_bases[] member likewise. (GC_heap_bases) [CYGWIN32]: Do define likewise. (struct _SYSTEM_INFO) [CYGWIN32]: Do forward-declare likewise. (GC_sysinfo) [CYGWIN32]: Do declare extern likewise. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GC_is_tmp_root) [CYGWIN32]: Do prototype likewise. * include/private/gcconfig.h (GC_win32_get_mem) [CYGWIN32]: Likewise. (GET_MEM) [CYGWIN32]: Do define likewise. * boehm-gc/ptr_chck.c (GC_is_visible) [CYGWIN32]: Do handle dynamic registration likewise. * boehm-gc/os_dep.c (GC_setpagesize) [CYGWIN32]: Do define likewise. (GC_no_win32_dlls) [CYGWIN32]: Define as constant false, unlike other windows hosts. (GC_sysinfo) [CYGWIN32]: Define as on other windows hosts. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GLOBAL_ALLOC_TEST) [CYGWIN32]: Likewise. (GC_win32_get_mem) [CYGWIN32]: Likewise, but wrapping GC_unix_get_mem rather than GlobalAlloc/VirtualAlloc. (GC_win32_free_heap) [CYGWIN32]: Likewise, but wrapping free instead of GlobalFree (even though the function body is optimised away). * boehm-gc/mark_rts.c (add_roots_to_index) [CYGWIN32]: Define as on other windows hosts. (GC_add_roots_inner) [CYGWIN32]: Avoid overlapping or adjacent intervals likewise. (GC_clear_roots) [CYGWIN32]: Clear GC_root_index[] likewise. (GC_rebuild_root_index) [CYGWIN32]: Define as on other windows hosts. (GC_remove_tmp_roots) [CYGWIN32]: Call it likewise. (GC_remove_roots) [CYGWIN32]: Don't define, as on other windows hosts. (GC_is_tmp_root) [CYGWIN32]: Define, as on other windows hosts. (GC_cond_register_dynamic_libraries) [CYGWIN32]: Handle temporary roots and dynamic registration likewise. * boehm-gc/dyn_load.c (GC_has_static_roots) [CYGWIN32]: Define as on other windows hosts. (GC_register_has_static_roots_callback) [CYGWIN32]: Likewise. (GC_cond_add_roots) [CYGWIN32]: Likewise. (GC_register_main_static_data) [CYGWIN32]: Define to always return false, as on MSWINCE (HAVE_REGISTER_MAIN_STATIC_DATA) [CYGWIN32]: Define as on other windows hosts. (GC_warn_fb) [CYGWIN32]: Likewise. (GC_disallow_ignore_fb) [CYGWIN32]: Likewise. (GC_ignore_fb_mb) [CYGWIN32]: Likewise. (GC_ignore_fb) [CYGWIN32]: Likewise. (is_frame_buffer) [CYGWIN32]: Likewise. (GC_dump_meminfo) [CYGWIN32]: Likewise. (GC_wnt) [CYGWIN32]: Define to constant true. (GC_register_dynamic_libraries) [CYGWIN32]: Define as on other windows hosts. From-SVN: r157604
2010-03-21 20:34:19 +01:00
#endif /* MSWIN32 || _WIN32_WCE_EMULATION || defined(CYGWIN32) */
1999-04-07 10:01:30 +02:00
ptr_t GC_approx_sp()
{
VOLATILE word dummy;
dummy = 42; /* Force stack to grow if necessary. Otherwise the */
/* later accesses might cause the kernel to think we're */
/* doing something wrong. */
# ifdef _MSC_VER
# pragma warning(disable:4172)
# endif
#ifdef __GNUC__
/* Eliminate a warning from GCC about taking the address of a
local variable. */
return __builtin_frame_address (0);
#else
return ((ptr_t)(&dummy));
#endif /* __GNUC__ */
# ifdef _MSC_VER
# pragma warning(default:4172)
# endif
1999-04-07 10:01:30 +02:00
}
/*
* Data structure for excluded static roots.
* Real declaration is in gc_priv.h.
1999-04-07 10:01:30 +02:00
struct exclusion {
ptr_t e_start;
ptr_t e_end;
};
struct exclusion GC_excl_table[MAX_EXCLUSIONS];
-- Array of exclusions, ascending
-- address order.
*/
size_t GC_excl_table_entries = 0; /* Number of entries in use. */
1999-04-07 10:01:30 +02:00
/* Return the first exclusion range that includes an address >= start_addr */
/* Assumes the exclusion table contains at least one entry (namely the */
/* GC data structures). */
struct exclusion * GC_next_exclusion(start_addr)
ptr_t start_addr;
{
size_t low = 0;
size_t high = GC_excl_table_entries - 1;
1999-04-07 10:01:30 +02:00
size_t mid;
while (high > low) {
mid = (low + high) >> 1;
/* low <= mid < high */
if ((word) GC_excl_table[mid].e_end <= (word) start_addr) {
1999-04-07 10:01:30 +02:00
low = mid + 1;
} else {
high = mid;
}
}
if ((word) GC_excl_table[low].e_end <= (word) start_addr) return 0;
return GC_excl_table + low;
1999-04-07 10:01:30 +02:00
}
void GC_exclude_static_roots(start, finish)
GC_PTR start;
GC_PTR finish;
{
struct exclusion * next;
size_t next_index, i;
if (0 == GC_excl_table_entries) {
1999-04-07 10:01:30 +02:00
next = 0;
} else {
next = GC_next_exclusion(start);
}
if (0 != next) {
if ((word)(next -> e_start) < (word) finish) {
/* incomplete error check. */
ABORT("exclusion ranges overlap");
}
if ((word)(next -> e_start) == (word) finish) {
/* extend old range backwards */
next -> e_start = (ptr_t)start;
return;
}
next_index = next - GC_excl_table;
for (i = GC_excl_table_entries; i > next_index; --i) {
GC_excl_table[i] = GC_excl_table[i-1];
1999-04-07 10:01:30 +02:00
}
} else {
next_index = GC_excl_table_entries;
1999-04-07 10:01:30 +02:00
}
if (GC_excl_table_entries == MAX_EXCLUSIONS) ABORT("Too many exclusions");
GC_excl_table[next_index].e_start = (ptr_t)start;
GC_excl_table[next_index].e_end = (ptr_t)finish;
++GC_excl_table_entries;
1999-04-07 10:01:30 +02:00
}
/* Invoke push_conditional on ranges that are not excluded. */
void GC_push_conditional_with_exclusions(bottom, top, all)
ptr_t bottom;
ptr_t top;
int all;
{
struct exclusion * next;
ptr_t excl_start;
while (bottom < top) {
next = GC_next_exclusion(bottom);
if (0 == next || (excl_start = next -> e_start) >= top) {
GC_push_conditional(bottom, top, all);
return;
}
if (excl_start > bottom) GC_push_conditional(bottom, excl_start, all);
bottom = next -> e_end;
}
}
/*
* In the absence of threads, push the stack contents.
* In the presence of threads, push enough of the current stack
* to ensure that callee-save registers saved in collector frames have been
* seen.
*/
void GC_push_current_stack(cold_gc_frame)
ptr_t cold_gc_frame;
{
# if defined(THREADS)
if (0 == cold_gc_frame) return;
# ifdef STACK_GROWS_DOWN
GC_push_all_eager(GC_approx_sp(), cold_gc_frame);
/* For IA64, the register stack backing store is handled */
/* in the thread-specific code. */
# else
GC_push_all_eager( cold_gc_frame, GC_approx_sp() );
# endif
# else
# ifdef STACK_GROWS_DOWN
GC_push_all_stack_partially_eager( GC_approx_sp(), GC_stackbottom,
cold_gc_frame );
# ifdef IA64
/* We also need to push the register stack backing store. */
/* This should really be done in the same way as the */
/* regular stack. For now we fudge it a bit. */
/* Note that the backing store grows up, so we can't use */
/* GC_push_all_stack_partially_eager. */
{
extern word GC_save_regs_ret_val;
/* Previously set to backing store pointer. */
ptr_t bsp = (ptr_t) GC_save_regs_ret_val;
ptr_t cold_gc_bs_pointer;
if (GC_all_interior_pointers) {
cold_gc_bs_pointer = bsp - 2048;
if (cold_gc_bs_pointer < BACKING_STORE_BASE) {
cold_gc_bs_pointer = BACKING_STORE_BASE;
} else {
GC_push_all_stack(BACKING_STORE_BASE, cold_gc_bs_pointer);
}
} else {
cold_gc_bs_pointer = BACKING_STORE_BASE;
}
GC_push_all_eager(cold_gc_bs_pointer, bsp);
/* All values should be sufficiently aligned that we */
/* dont have to worry about the boundary. */
}
# endif
# else
GC_push_all_stack_partially_eager( GC_stackbottom, GC_approx_sp(),
cold_gc_frame );
# endif
# endif /* !THREADS */
}
/*
* Push GC internal roots. Only called if there is some reason to believe
* these would not otherwise get registered.
*/
void GC_push_gc_structures GC_PROTO((void))
{
GC_push_finalizer_structures();
GC_push_stubborn_structures();
# if defined(THREADS)
GC_push_thread_structures();
# endif
}
#ifdef THREAD_LOCAL_ALLOC
void GC_mark_thread_local_free_lists();
#endif
void GC_cond_register_dynamic_libraries()
{
# if (defined(DYNAMIC_LOADING) || defined(MSWIN32) || defined(MSWINCE) \
PR target/42811 (prerequisite) PR target/42811 (prerequisite) * include/private/gc_priv.h (struct roots) [CYGWIN32]: Don't declare r_next member on Cygwin as on other windows hosts. (LOG_RT_SIZE) [CYGWIN32]: Don't define likewise. (RT_SIZE) [CYGWIN32]: Likewise. (struct _GC_arrays) [CYGWIN32]: Do declare _heap_bases[] member likewise. (GC_heap_bases) [CYGWIN32]: Do define likewise. (struct _SYSTEM_INFO) [CYGWIN32]: Do forward-declare likewise. (GC_sysinfo) [CYGWIN32]: Do declare extern likewise. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GC_is_tmp_root) [CYGWIN32]: Do prototype likewise. * include/private/gcconfig.h (GC_win32_get_mem) [CYGWIN32]: Likewise. (GET_MEM) [CYGWIN32]: Do define likewise. * boehm-gc/ptr_chck.c (GC_is_visible) [CYGWIN32]: Do handle dynamic registration likewise. * boehm-gc/os_dep.c (GC_setpagesize) [CYGWIN32]: Do define likewise. (GC_no_win32_dlls) [CYGWIN32]: Define as constant false, unlike other windows hosts. (GC_sysinfo) [CYGWIN32]: Define as on other windows hosts. (GC_n_heap_bases) [CYGWIN32]: Likewise. (GLOBAL_ALLOC_TEST) [CYGWIN32]: Likewise. (GC_win32_get_mem) [CYGWIN32]: Likewise, but wrapping GC_unix_get_mem rather than GlobalAlloc/VirtualAlloc. (GC_win32_free_heap) [CYGWIN32]: Likewise, but wrapping free instead of GlobalFree (even though the function body is optimised away). * boehm-gc/mark_rts.c (add_roots_to_index) [CYGWIN32]: Define as on other windows hosts. (GC_add_roots_inner) [CYGWIN32]: Avoid overlapping or adjacent intervals likewise. (GC_clear_roots) [CYGWIN32]: Clear GC_root_index[] likewise. (GC_rebuild_root_index) [CYGWIN32]: Define as on other windows hosts. (GC_remove_tmp_roots) [CYGWIN32]: Call it likewise. (GC_remove_roots) [CYGWIN32]: Don't define, as on other windows hosts. (GC_is_tmp_root) [CYGWIN32]: Define, as on other windows hosts. (GC_cond_register_dynamic_libraries) [CYGWIN32]: Handle temporary roots and dynamic registration likewise. * boehm-gc/dyn_load.c (GC_has_static_roots) [CYGWIN32]: Define as on other windows hosts. (GC_register_has_static_roots_callback) [CYGWIN32]: Likewise. (GC_cond_add_roots) [CYGWIN32]: Likewise. (GC_register_main_static_data) [CYGWIN32]: Define to always return false, as on MSWINCE (HAVE_REGISTER_MAIN_STATIC_DATA) [CYGWIN32]: Define as on other windows hosts. (GC_warn_fb) [CYGWIN32]: Likewise. (GC_disallow_ignore_fb) [CYGWIN32]: Likewise. (GC_ignore_fb_mb) [CYGWIN32]: Likewise. (GC_ignore_fb) [CYGWIN32]: Likewise. (is_frame_buffer) [CYGWIN32]: Likewise. (GC_dump_meminfo) [CYGWIN32]: Likewise. (GC_wnt) [CYGWIN32]: Define to constant true. (GC_register_dynamic_libraries) [CYGWIN32]: Define as on other windows hosts. From-SVN: r157604
2010-03-21 20:34:19 +01:00
|| defined(CYGWIN32) || defined(PCR)) && !defined(SRC_M3)
GC_remove_tmp_roots();
if (!GC_no_dls) GC_register_dynamic_libraries();
# else
GC_no_dls = TRUE;
# endif
}
1999-04-07 10:01:30 +02:00
/*
* Call the mark routines (GC_tl_push for a single pointer, GC_push_conditional
* on groups of pointers) on every top level accessible pointer.
* If all is FALSE, arrange to push only possibly altered values.
* Cold_gc_frame is an address inside a GC frame that
* remains valid until all marking is complete.
* A zero value indicates that it's OK to miss some
* register values.
1999-04-07 10:01:30 +02:00
*/
void GC_push_roots(all, cold_gc_frame)
1999-04-07 10:01:30 +02:00
GC_bool all;
ptr_t cold_gc_frame;
1999-04-07 10:01:30 +02:00
{
int i;
int kind;
1999-04-07 10:01:30 +02:00
/*
* Next push static data. This must happen early on, since it's
* not robust against mark stack overflow.
*/
/* Reregister dynamic libraries, in case one got added. */
/* There is some argument for doing this as late as possible, */
/* especially on win32, where it can change asynchronously. */
/* In those cases, we do it here. But on other platforms, it's */
/* not safe with the world stopped, so we do it earlier. */
# if !defined(REGISTER_LIBRARIES_EARLY)
GC_cond_register_dynamic_libraries();
1999-04-07 10:01:30 +02:00
# endif
1999-04-07 10:01:30 +02:00
/* Mark everything in static data areas */
for (i = 0; i < n_root_sets; i++) {
GC_push_conditional_with_exclusions(
GC_static_roots[i].r_start,
GC_static_roots[i].r_end, all);
1999-04-07 10:01:30 +02:00
}
/* Mark all free list header blocks, if those were allocated from */
/* the garbage collected heap. This makes sure they don't */
/* disappear if we are not marking from static data. It also */
/* saves us the trouble of scanning them, and possibly that of */
/* marking the freelists. */
for (kind = 0; kind < GC_n_kinds; kind++) {
GC_PTR base = GC_base(GC_obj_kinds[kind].ok_freelist);
if (0 != base) {
GC_set_mark_bit(base);
}
}
/* Mark from GC internal roots if those might otherwise have */
/* been excluded. */
if (GC_no_dls || roots_were_cleared) {
GC_push_gc_structures();
}
/* Mark thread local free lists, even if their mark */
/* descriptor excludes the link field. */
Import GC 6.3alpha1. * BCC_MAKEFILE: Merge with GC 6.3alpha1 release. * ChangeLog: Likewise. * Makefile.am: Likewise. * Makefile.direct: Likewise. * Makefile.dj: Likewise. * allchblk.c: Likewise. * alloc.c: Likewise. * backgraph.c: Likewise. * configure.host: Likewise. * configure.in: Likewise. * dbg_mlc.c: Likewise. * dyn_load.c: Likewise. * finalize.c: Likewise. * gc_cpp.cc: Likewise. * gc_dlopen.c: Likewise. * gcj_mlc.c: Likewise. * if_mach.c: Likewise. * mach_dep.c: Likewise. * malloc.c: Likewise. * mallocx.c: Likewise. * mark.c: Likewise. * mark_rts.c: Likewise. * misc.c: Likewise. * os_dep.c: Likewise. * ptr_chck.c: Likewise. * reclaim.c: Likewise. * solaris_pthreads.c: Likewise. * solaris_threads.c: Likewise. * sparc_mach_dep.S: Likewise. * threadlibs.c: Likewise. * typd_mlc.c: Likewise. * version.h: Likewise. * win32_threads.c: Likewise. * Mac_files/MacOS_Test_config.h: Likewise. * Mac_files/MacOS_config.h: Likewise. * cord/cordbscs.c: Likewise. * cord/cordprnt.c: Likewise. * cord/de_win.c: Likewise. * doc/README: Likewise. * doc/README.MacOSX: Likewise. * doc/README.changes: Likewise. * doc/README.environment: Likewise. * doc/README.ews4800: Likewise. * doc/README.linux: Likewise. * doc/README.macros: Likewise. * doc/README.win32: Likewise. * doc/debugging.html: Likewise. * doc/gcdescr.html: Likewise. * doc/tree.html: Likewise. * include/Makefile.in: Likewise. * include/gc.h: Likewise. * include/gc_cpp.h: Likewise. * include/gc_local_alloc.h: Likewise. * include/gc_mark.h: Likewise. * include/gc_pthread_redirects.h: Likewise. * include/gc_typed.h: Likewise. * include/new_gc_alloc.h: Likewise. * include/private/dbg_mlc.h: Likewise. * include/private/gc_hdrs.h: Likewise. * include/private/gc_locks.h: Likewise. * include/private/gc_pmark.h: Likewise. * include/private/gc_priv.h: Likewise. * include/private/gcconfig.h: Likewise. * include/private/solaris_threads.h: Likewise. * include/private/specific.h: Likewise. * tests/test.c: Likewise. * tests/test_cpp.cc: Likewise. * configure: Rebuild. * Makefile.in: Rebuild. * mips_sgi_mach_dep.s: Add. * alpha_mach_dep.s: Remove. * irix_threads.c: Remove. * linux_threads.c: Remove. * mips_sgi_mach_dep.S: Remove. * missing: Remove. * powerpc_macosx_mach_dep.s: Remove. * doc/Makefile.am: Remove. * doc/Makefile.in: Remove. From-SVN: r69880
2003-07-28 06:18:23 +02:00
/* If the world is not stopped, this is unsafe. It is */
/* also unnecessary, since we will do this again with the */
/* world stopped. */
# ifdef THREAD_LOCAL_ALLOC
Import GC 6.3alpha1. * BCC_MAKEFILE: Merge with GC 6.3alpha1 release. * ChangeLog: Likewise. * Makefile.am: Likewise. * Makefile.direct: Likewise. * Makefile.dj: Likewise. * allchblk.c: Likewise. * alloc.c: Likewise. * backgraph.c: Likewise. * configure.host: Likewise. * configure.in: Likewise. * dbg_mlc.c: Likewise. * dyn_load.c: Likewise. * finalize.c: Likewise. * gc_cpp.cc: Likewise. * gc_dlopen.c: Likewise. * gcj_mlc.c: Likewise. * if_mach.c: Likewise. * mach_dep.c: Likewise. * malloc.c: Likewise. * mallocx.c: Likewise. * mark.c: Likewise. * mark_rts.c: Likewise. * misc.c: Likewise. * os_dep.c: Likewise. * ptr_chck.c: Likewise. * reclaim.c: Likewise. * solaris_pthreads.c: Likewise. * solaris_threads.c: Likewise. * sparc_mach_dep.S: Likewise. * threadlibs.c: Likewise. * typd_mlc.c: Likewise. * version.h: Likewise. * win32_threads.c: Likewise. * Mac_files/MacOS_Test_config.h: Likewise. * Mac_files/MacOS_config.h: Likewise. * cord/cordbscs.c: Likewise. * cord/cordprnt.c: Likewise. * cord/de_win.c: Likewise. * doc/README: Likewise. * doc/README.MacOSX: Likewise. * doc/README.changes: Likewise. * doc/README.environment: Likewise. * doc/README.ews4800: Likewise. * doc/README.linux: Likewise. * doc/README.macros: Likewise. * doc/README.win32: Likewise. * doc/debugging.html: Likewise. * doc/gcdescr.html: Likewise. * doc/tree.html: Likewise. * include/Makefile.in: Likewise. * include/gc.h: Likewise. * include/gc_cpp.h: Likewise. * include/gc_local_alloc.h: Likewise. * include/gc_mark.h: Likewise. * include/gc_pthread_redirects.h: Likewise. * include/gc_typed.h: Likewise. * include/new_gc_alloc.h: Likewise. * include/private/dbg_mlc.h: Likewise. * include/private/gc_hdrs.h: Likewise. * include/private/gc_locks.h: Likewise. * include/private/gc_pmark.h: Likewise. * include/private/gc_priv.h: Likewise. * include/private/gcconfig.h: Likewise. * include/private/solaris_threads.h: Likewise. * include/private/specific.h: Likewise. * tests/test.c: Likewise. * tests/test_cpp.cc: Likewise. * configure: Rebuild. * Makefile.in: Rebuild. * mips_sgi_mach_dep.s: Add. * alpha_mach_dep.s: Remove. * irix_threads.c: Remove. * linux_threads.c: Remove. * mips_sgi_mach_dep.S: Remove. * missing: Remove. * powerpc_macosx_mach_dep.s: Remove. * doc/Makefile.am: Remove. * doc/Makefile.in: Remove. From-SVN: r69880
2003-07-28 06:18:23 +02:00
if (GC_world_stopped) GC_mark_thread_local_free_lists();
# endif
1999-04-07 10:01:30 +02:00
/*
* Now traverse stacks, and mark from register contents.
* These must be done last, since they can legitimately overflow
* the mark stack.
1999-04-07 10:01:30 +02:00
*/
# ifdef USE_GENERIC_PUSH_REGS
GC_generic_push_regs(cold_gc_frame);
/* Also pushes stack, so that we catch callee-save registers */
/* saved inside the GC_push_regs frame. */
# else
/*
* push registers - i.e., call GC_push_one(r) for each
* register contents r.
*/
GC_push_regs(); /* usually defined in machine_dep.c */
GC_push_current_stack(cold_gc_frame);
/* In the threads case, this only pushes collector frames. */
/* In the case of linux threads on IA64, the hot section of */
/* the main stack is marked here, but the register stack */
/* backing store is handled in the threads-specific code. */
1999-04-07 10:01:30 +02:00
# endif
if (GC_push_other_roots != 0) (*GC_push_other_roots)();
/* In the threads case, this also pushes thread stacks. */
/* Note that without interior pointer recognition lots */
/* of stuff may have been pushed already, and this */
/* should be careful about mark stack overflows. */
1999-04-07 10:01:30 +02:00
}