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-rw-r--r--gcc-4.2.1-5666.3/libiberty/physmem.c335
1 files changed, 0 insertions, 335 deletions
diff --git a/gcc-4.2.1-5666.3/libiberty/physmem.c b/gcc-4.2.1-5666.3/libiberty/physmem.c
deleted file mode 100644
index 3c181694d..000000000
--- a/gcc-4.2.1-5666.3/libiberty/physmem.c
+++ /dev/null
@@ -1,335 +0,0 @@
-/* Calculate the size of physical memory.
- Copyright 2000, 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
-
-/* Written by Paul Eggert. */
-
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-
-#if HAVE_SYS_PSTAT_H
-# include <sys/pstat.h>
-#endif
-
-#if HAVE_SYS_SYSMP_H
-# include <sys/sysmp.h>
-#endif
-
-#if HAVE_SYS_SYSINFO_H && HAVE_MACHINE_HAL_SYSINFO_H
-# include <sys/sysinfo.h>
-# include <machine/hal_sysinfo.h>
-#endif
-
-#if HAVE_SYS_TABLE_H
-# include <sys/table.h>
-#endif
-
-#include <sys/types.h>
-
-#if HAVE_SYS_PARAM_H
-# include <sys/param.h>
-#endif
-
-#if HAVE_SYS_SYSCTL_H
-# include <sys/sysctl.h>
-#endif
-
-#if HAVE_SYS_SYSTEMCFG_H
-# include <sys/systemcfg.h>
-#endif
-
-#ifdef _WIN32
-# define WIN32_LEAN_AND_MEAN
-# include <windows.h>
-/* MEMORYSTATUSEX is missing from older windows headers, so define
- a local replacement. */
-typedef struct
-{
- DWORD dwLength;
- DWORD dwMemoryLoad;
- DWORDLONG ullTotalPhys;
- DWORDLONG ullAvailPhys;
- DWORDLONG ullTotalPageFile;
- DWORDLONG ullAvailPageFile;
- DWORDLONG ullTotalVirtual;
- DWORDLONG ullAvailVirtual;
- DWORDLONG ullAvailExtendedVirtual;
-} lMEMORYSTATUSEX;
-typedef WINBOOL (WINAPI *PFN_MS_EX) (lMEMORYSTATUSEX*);
-#endif
-
-#include "libiberty.h"
-
-/* Return the total amount of physical memory. */
-double
-physmem_total (void)
-{
-#if defined _SC_PHYS_PAGES && defined _SC_PAGESIZE
- { /* This works on linux-gnu, solaris2 and cygwin. */
- double pages = sysconf (_SC_PHYS_PAGES);
- double pagesize = sysconf (_SC_PAGESIZE);
- if (0 <= pages && 0 <= pagesize)
- return pages * pagesize;
- }
-#endif
-
-#if HAVE_PSTAT_GETSTATIC
- { /* This works on hpux11. */
- struct pst_static pss;
- if (0 <= pstat_getstatic (&pss, sizeof pss, 1, 0))
- {
- double pages = pss.physical_memory;
- double pagesize = pss.page_size;
- if (0 <= pages && 0 <= pagesize)
- return pages * pagesize;
- }
- }
-#endif
-
-#if HAVE_SYSMP && defined MP_SAGET && defined MPSA_RMINFO && defined _SC_PAGESIZE
- { /* This works on irix6. */
- struct rminfo realmem;
- if (sysmp (MP_SAGET, MPSA_RMINFO, &realmem, sizeof realmem) == 0)
- {
- double pagesize = sysconf (_SC_PAGESIZE);
- double pages = realmem.physmem;
- if (0 <= pages && 0 <= pagesize)
- return pages * pagesize;
- }
- }
-#endif
-
-#if HAVE_GETSYSINFO && defined GSI_PHYSMEM
- { /* This works on Tru64 UNIX V4/5. */
- int physmem;
-
- if (getsysinfo (GSI_PHYSMEM, (caddr_t) &physmem, sizeof (physmem),
- NULL, NULL, NULL) == 1)
- {
- double kbytes = physmem;
-
- if (0 <= kbytes)
- return kbytes * 1024.0;
- }
- }
-#endif
-
-#if HAVE_SYSCTL && defined HW_PHYSMEM
- { /* This works on *bsd and darwin. */
- unsigned int physmem;
- size_t len = sizeof physmem;
- static int mib[2] = { CTL_HW, HW_PHYSMEM };
-
- if (sysctl (mib, ARRAY_SIZE (mib), &physmem, &len, NULL, 0) == 0
- && len == sizeof (physmem))
- return (double) physmem;
- }
-#endif
-
-#if HAVE__SYSTEM_CONFIGURATION
- /* This works on AIX 4.3.3+. */
- return _system_configuration.physmem;
-#endif
-
-#if defined _WIN32
- { /* this works on windows */
- PFN_MS_EX pfnex;
- HMODULE h = GetModuleHandle ("kernel32.dll");
-
- if (!h)
- return 0.0;
-
- /* Use GlobalMemoryStatusEx if available. */
- if ((pfnex = (PFN_MS_EX) GetProcAddress (h, "GlobalMemoryStatusEx")))
- {
- lMEMORYSTATUSEX lms_ex;
- lms_ex.dwLength = sizeof lms_ex;
- if (!pfnex (&lms_ex))
- return 0.0;
- return (double) lms_ex.ullTotalPhys;
- }
-
- /* Fall back to GlobalMemoryStatus which is always available.
- but returns wrong results for physical memory > 4GB. */
- else
- {
- MEMORYSTATUS ms;
- GlobalMemoryStatus (&ms);
- return (double) ms.dwTotalPhys;
- }
- }
-#endif
-
- /* Return 0 if we can't determine the value. */
- return 0;
-}
-
-/* APPLE LOCAL begin retune gc params 6124839 */
-unsigned int
-ncpu_available (void)
-{
-#if HAVE_SYSCTL && defined HW_AVAILCPU
- { /* This works on *bsd and darwin. */
- unsigned int ncpu;
- size_t len = sizeof ncpu;
- static int mib[2] = { CTL_HW, HW_AVAILCPU };
-
- if (sysctl (mib, ARRAY_SIZE (mib), &ncpu, &len, NULL, 0) == 0
- && len == sizeof (ncpu))
- return ncpu;
- }
-#endif
-#if HAVE_SYSCTL && defined HW_NCPU
- { /* This works on *bsd and darwin. */
- unsigned int ncpu;
- size_t len = sizeof ncpu;
- static int mib[2] = { CTL_HW, HW_NCPU };
-
- if (sysctl (mib, ARRAY_SIZE (mib), &ncpu, &len, NULL, 0) == 0
- && len == sizeof (ncpu))
- return ncpu;
- }
-#endif
- return 1;
-}
-/* APPLE LOCAL end retune gc params 6124839 */
-
-/* Return the amount of physical memory available. */
-double
-physmem_available (void)
-{
-#if defined _SC_AVPHYS_PAGES && defined _SC_PAGESIZE
- { /* This works on linux-gnu, solaris2 and cygwin. */
- double pages = sysconf (_SC_AVPHYS_PAGES);
- double pagesize = sysconf (_SC_PAGESIZE);
- if (0 <= pages && 0 <= pagesize)
- return pages * pagesize;
- }
-#endif
-
-#if HAVE_PSTAT_GETSTATIC && HAVE_PSTAT_GETDYNAMIC
- { /* This works on hpux11. */
- struct pst_static pss;
- struct pst_dynamic psd;
- if (0 <= pstat_getstatic (&pss, sizeof pss, 1, 0)
- && 0 <= pstat_getdynamic (&psd, sizeof psd, 1, 0))
- {
- double pages = psd.psd_free;
- double pagesize = pss.page_size;
- if (0 <= pages && 0 <= pagesize)
- return pages * pagesize;
- }
- }
-#endif
-
-#if HAVE_SYSMP && defined MP_SAGET && defined MPSA_RMINFO && defined _SC_PAGESIZE
- { /* This works on irix6. */
- struct rminfo realmem;
- if (sysmp (MP_SAGET, MPSA_RMINFO, &realmem, sizeof realmem) == 0)
- {
- double pagesize = sysconf (_SC_PAGESIZE);
- double pages = realmem.availrmem;
- if (0 <= pages && 0 <= pagesize)
- return pages * pagesize;
- }
- }
-#endif
-
-#if HAVE_TABLE && defined TBL_VMSTATS
- { /* This works on Tru64 UNIX V4/5. */
- struct tbl_vmstats vmstats;
-
- if (table (TBL_VMSTATS, 0, &vmstats, 1, sizeof (vmstats)) == 1)
- {
- double pages = vmstats.free_count;
- double pagesize = vmstats.pagesize;
-
- if (0 <= pages && 0 <= pagesize)
- return pages * pagesize;
- }
- }
-#endif
-
-#if HAVE_SYSCTL && defined HW_USERMEM
- { /* This works on *bsd and darwin. */
- unsigned int usermem;
- size_t len = sizeof usermem;
- static int mib[2] = { CTL_HW, HW_USERMEM };
-
- if (sysctl (mib, ARRAY_SIZE (mib), &usermem, &len, NULL, 0) == 0
- && len == sizeof (usermem))
- return (double) usermem;
- }
-#endif
-
-#if defined _WIN32
- { /* this works on windows */
- PFN_MS_EX pfnex;
- HMODULE h = GetModuleHandle ("kernel32.dll");
-
- if (!h)
- return 0.0;
-
- /* Use GlobalMemoryStatusEx if available. */
- if ((pfnex = (PFN_MS_EX) GetProcAddress (h, "GlobalMemoryStatusEx")))
- {
- lMEMORYSTATUSEX lms_ex;
- lms_ex.dwLength = sizeof lms_ex;
- if (!pfnex (&lms_ex))
- return 0.0;
- return (double) lms_ex.ullAvailPhys;
- }
-
- /* Fall back to GlobalMemoryStatus which is always available.
- but returns wrong results for physical memory > 4GB */
- else
- {
- MEMORYSTATUS ms;
- GlobalMemoryStatus (&ms);
- return (double) ms.dwAvailPhys;
- }
- }
-#endif
-
- /* Guess 25% of physical memory. */
- return physmem_total () / 4;
-}
-
-
-#if DEBUG
-
-# include <stdio.h>
-# include <stdlib.h>
-
-int
-main (void)
-{
- printf ("%12.f %12.f\n", physmem_total (), physmem_available ());
- exit (0);
-}
-
-#endif /* DEBUG */
-
-/*
-Local Variables:
-compile-command: "gcc -DDEBUG -DHAVE_CONFIG_H -I.. -g -O -Wall -W physmem.c"
-End:
-*/
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