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| author | Alexandre Oliva <oliva@lsd.ic.unicamp.br> | 2000-01-16 18:16:55 +0000 |
|---|---|---|
| committer | Alexandre Oliva <oliva@gcc.gnu.org> | 2000-01-16 18:16:55 +0000 |
| commit | 4acab94bfa0e9d136a6b7c80a9e7ddcc23faba74 (patch) | |
| tree | 559155e6d3b9e86e367d612eb679ecc404bda823 /gcc/ggc-page.c | |
| parent | 08439bec5f7e05cf133b4e7497bccedbe1210c35 (diff) | |
| download | gcc-4acab94bfa0e9d136a6b7c80a9e7ddcc23faba74.tar.gz | |
aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
* aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
* configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
* ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
* configure, config.in: Rebuilt.
From-SVN: r31444
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 7a5cec243ff..aa515eb3df3 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 |