diff options
Diffstat (limited to 'gcc/ggc-page.c')
| -rw-r--r-- | gcc/ggc-page.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/gcc/ggc-page.c b/gcc/ggc-page.c index 7a5cec2..aa515eb 100644 --- a/gcc/ggc-page.c +++ b/gcc/ggc-page.c @@ -1,5 +1,5 @@ /* "Bag-of-pages" garbage collector for the GNU compiler. - Copyright (C) 1999 Free Software Foundation, Inc. + Copyright (C) 1999, 2000 Free Software Foundation, Inc. This file is part of GNU CC. @@ -27,7 +27,7 @@ #include "flags.h" #include "ggc.h" -#ifdef HAVE_MMAP +#ifdef HAVE_MMAP_ANYWHERE #include <sys/mman.h> #endif @@ -229,7 +229,7 @@ static struct globals unsigned char context_depth; /* A file descriptor open to /dev/zero for reading. */ -#if defined (HAVE_MMAP) && !defined(MAP_ANONYMOUS) +#if defined (HAVE_MMAP_ANYWHERE) && !defined(MAP_ANONYMOUS) int dev_zero_fd; #endif @@ -408,7 +408,7 @@ alloc_anon (pref, size) { char *page; -#ifdef HAVE_MMAP +#ifdef HAVE_MMAP_ANYWHERE #ifdef MAP_ANONYMOUS page = (char *) mmap (pref, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); @@ -430,7 +430,7 @@ alloc_anon (pref, size) exit(1); } #endif /* HAVE_VALLOC */ -#endif /* HAVE_MMAP */ +#endif /* HAVE_MMAP_ANYWHERE */ /* Remember that we allocated this memory. */ G.bytes_mapped += size; @@ -533,7 +533,7 @@ free_page (entry) static void release_pages () { -#ifdef HAVE_MMAP +#ifdef HAVE_MMAP_ANYWHERE page_entry *p, *next; char *start; size_t len; @@ -579,7 +579,7 @@ release_pages () free (p); } #endif /* HAVE_VALLOC */ -#endif /* HAVE_MMAP */ +#endif /* HAVE_MMAP_ANYWHERE */ G.free_pages = NULL; } @@ -794,7 +794,7 @@ init_ggc () G.pagesize = getpagesize(); G.lg_pagesize = exact_log2 (G.pagesize); -#if defined (HAVE_MMAP) && !defined(MAP_ANONYMOUS) +#if defined (HAVE_MMAP_ANYWHERE) && !defined(MAP_ANONYMOUS) G.dev_zero_fd = open ("/dev/zero", O_RDONLY); if (G.dev_zero_fd == -1) abort (); @@ -808,7 +808,7 @@ init_ggc () G.allocated_last_gc = GGC_MIN_LAST_ALLOCATED; -#ifdef HAVE_MMAP +#ifdef HAVE_MMAP_ANYWHERE /* StunOS has an amazing off-by-one error for the first mmap allocation after fiddling with RLIMIT_STACK. The result, as hard as it is to believe, is an unaligned page allocation, which would cause us to |