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Diffstat (limited to 'contrib/binutils/libiberty/physmem.c')
-rw-r--r-- | contrib/binutils/libiberty/physmem.c | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/contrib/binutils/libiberty/physmem.c b/contrib/binutils/libiberty/physmem.c deleted file mode 100644 index f64e07c74d4f..000000000000 --- a/contrib/binutils/libiberty/physmem.c +++ /dev/null @@ -1,305 +0,0 @@ -/* Calculate the size of physical memory. - Copyright 2000, 2001, 2003 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 () -{ -#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; -} - -/* Return the amount of physical memory available. */ -double -physmem_available () -{ -#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 () -{ - 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: -*/ |