diff options
Diffstat (limited to 'winsup/cygwin/fhandler_proc.cc')
| -rw-r--r-- | winsup/cygwin/fhandler_proc.cc | 1149 |
1 files changed, 0 insertions, 1149 deletions
diff --git a/winsup/cygwin/fhandler_proc.cc b/winsup/cygwin/fhandler_proc.cc deleted file mode 100644 index dc7013035..000000000 --- a/winsup/cygwin/fhandler_proc.cc +++ /dev/null @@ -1,1149 +0,0 @@ -/* fhandler_proc.cc: fhandler for /proc virtual filesystem - - Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2009 Red Hat, Inc. - -This file is part of Cygwin. - -This software is a copyrighted work licensed under the terms of the -Cygwin license. Please consult the file "CYGWIN_LICENSE" for -details. */ - -#include "winsup.h" -#include "miscfuncs.h" -#include <unistd.h> -#include <stdlib.h> -#include "cygerrno.h" -#include "security.h" -#include "path.h" -#include "fhandler.h" -#include "fhandler_virtual.h" -#include "pinfo.h" -#include "dtable.h" -#include "cygheap.h" -#include "tls_pbuf.h" -#include <sys/utsname.h> -#include <sys/param.h> -#include "ntdll.h" -#include <ctype.h> -#include <winioctl.h> -#include <wchar.h> -#include "cpuid.h" - -#define _COMPILING_NEWLIB -#include <dirent.h> - -static _off64_t format_proc_loadavg (void *, char *&); -static _off64_t format_proc_meminfo (void *, char *&); -static _off64_t format_proc_stat (void *, char *&); -static _off64_t format_proc_version (void *, char *&); -static _off64_t format_proc_uptime (void *, char *&); -static _off64_t format_proc_cpuinfo (void *, char *&); -static _off64_t format_proc_partitions (void *, char *&); -static _off64_t format_proc_self (void *, char *&); -static _off64_t format_proc_mounts (void *, char *&); - -/* names of objects in /proc */ -static const virt_tab_t proc_tab[] = { - { ".", FH_PROC, virt_directory, NULL }, - { "..", FH_PROC, virt_directory, NULL }, - { "loadavg", FH_PROC, virt_file, format_proc_loadavg }, - { "meminfo", FH_PROC, virt_file, format_proc_meminfo }, - { "registry", FH_REGISTRY, virt_directory, NULL }, - { "stat", FH_PROC, virt_file, format_proc_stat }, - { "version", FH_PROC, virt_file, format_proc_version }, - { "uptime", FH_PROC, virt_file, format_proc_uptime }, - { "cpuinfo", FH_PROC, virt_file, format_proc_cpuinfo }, - { "partitions", FH_PROC, virt_file, format_proc_partitions }, - { "self", FH_PROC, virt_symlink, format_proc_self }, - { "mounts", FH_PROC, virt_symlink, format_proc_mounts }, - { "registry32", FH_REGISTRY, virt_directory, NULL }, - { "registry64", FH_REGISTRY, virt_directory, NULL }, - { "net", FH_PROCNET, virt_directory, NULL }, - { NULL, 0, virt_none, NULL } -}; - -#define PROC_DIR_COUNT 4 - -static const int PROC_LINK_COUNT = (sizeof (proc_tab) / sizeof (virt_tab_t)) - 1; - -/* name of the /proc filesystem */ -const char proc[] = "/proc"; -const int proc_len = sizeof (proc) - 1; - -/* Auxillary function that returns the fhandler associated with the given path - this is where it would be nice to have pattern matching in C - polymorphism - just doesn't cut it. */ -DWORD -fhandler_proc::get_proc_fhandler (const char *path) -{ - debug_printf ("get_proc_fhandler(%s)", path); - path += proc_len; - /* Since this method is called from path_conv::check we can't rely on - it being normalised and therefore the path may have runs of slashes - in it. */ - while (isdirsep (*path)) - path++; - - /* Check if this is the root of the virtual filesystem (i.e. /proc). */ - if (*path == 0) - return FH_PROC; - - for (int i = 0; proc_tab[i].name; i++) - { - if (path_prefix_p (proc_tab[i].name, path, strlen (proc_tab[i].name), - false)) - return proc_tab[i].fhandler; - } - - if (pinfo (atoi (path))) - return FH_PROCESS; - - bool has_subdir = false; - while (*path) - if (isdirsep (*path++)) - { - has_subdir = true; - break; - } - - if (has_subdir) - /* The user is trying to access a non-existent subdirectory of /proc. */ - return FH_BAD; - else - /* Return FH_PROC so that we can return EROFS if the user is trying to - create a file. */ - return FH_PROC; -} - -/* Returns 0 if path doesn't exist, >0 if path is a directory, - -1 if path is a file, -2 if it's a symlink. */ -int -fhandler_proc::exists () -{ - const char *path = get_name (); - debug_printf ("exists (%s)", path); - path += proc_len; - if (*path == 0) - return virt_rootdir; - for (int i = 0; proc_tab[i].name; i++) - if (!strcmp (path + 1, proc_tab[i].name)) - { - fileid = i; - return proc_tab[i].type; - } - return virt_none; -} - -fhandler_proc::fhandler_proc (): - fhandler_virtual () -{ -} - -int -fhandler_proc::fstat (struct __stat64 *buf) -{ - const char *path = get_name (); - debug_printf ("fstat (%s)", path); - - path += proc_len; - fhandler_base::fstat (buf); - - buf->st_mode &= ~_IFMT & NO_W; - - if (!*path) - { - winpids pids ((DWORD) 0); - buf->st_ino = 2; - buf->st_mode |= S_IFDIR | S_IXUSR | S_IXGRP | S_IXOTH; - buf->st_nlink = PROC_DIR_COUNT + 2 + pids.npids; - return 0; - } - else - { - path++; - for (int i = 0; proc_tab[i].name; i++) - if (!strcmp (path, proc_tab[i].name)) - { - if (proc_tab[i].type == virt_directory) - buf->st_mode |= S_IFDIR | S_IXUSR | S_IXGRP | S_IXOTH; - else if (proc_tab[i].type == virt_symlink) - buf->st_mode = S_IFLNK | S_IRWXU | S_IRWXG | S_IRWXO; - else - { - buf->st_mode &= NO_X; - buf->st_mode |= S_IFREG; - } - return 0; - } - } - set_errno (ENOENT); - return -1; -} - -int -fhandler_proc::readdir (DIR *dir, dirent *de) -{ - int res; - if (dir->__d_position < PROC_LINK_COUNT) - { - strcpy (de->d_name, proc_tab[dir->__d_position++].name); - dir->__flags |= dirent_saw_dot | dirent_saw_dot_dot; - res = 0; - } - else - { - winpids pids ((DWORD) 0); - int found = 0; - res = ENMFILE; - for (unsigned i = 0; i < pids.npids; i++) - if (found++ == dir->__d_position - PROC_LINK_COUNT) - { - __small_sprintf (de->d_name, "%d", pids[i]->pid); - dir->__d_position++; - res = 0; - break; - } - } - - syscall_printf ("%d = readdir (%p, %p) (%s)", res, dir, de, de->d_name); - return res; -} - -int -fhandler_proc::open (int flags, mode_t mode) -{ - int proc_file_no = -1; - - int res = fhandler_virtual::open (flags, mode); - if (!res) - goto out; - - nohandle (true); - - const char *path; - - path = get_name () + proc_len; - - if (!*path) - { - if ((flags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL)) - { - set_errno (EEXIST); - res = 0; - goto out; - } - else if (flags & O_WRONLY) - { - set_errno (EISDIR); - res = 0; - goto out; - } - else - { - flags |= O_DIROPEN; - goto success; - } - } - - proc_file_no = -1; - for (int i = 0; proc_tab[i].name; i++) - if (path_prefix_p (proc_tab[i].name, path + 1, strlen (proc_tab[i].name), - false)) - { - proc_file_no = i; - if (proc_tab[i].fhandler != FH_PROC) - { - if ((flags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL)) - { - set_errno (EEXIST); - res = 0; - goto out; - } - else if (flags & O_WRONLY) - { - set_errno (EISDIR); - res = 0; - goto out; - } - else - { - flags |= O_DIROPEN; - goto success; - } - } - } - - if (proc_file_no == -1) - { - if (flags & O_CREAT) - { - set_errno (EROFS); - res = 0; - goto out; - } - else - { - set_errno (ENOENT); - res = 0; - goto out; - } - } - if (flags & O_WRONLY) - { - set_errno (EROFS); - res = 0; - goto out; - } - - fileid = proc_file_no; - if (!fill_filebuf ()) - { - res = 0; - goto out; - } - - if (flags & O_APPEND) - position = filesize; - else - position = 0; - -success: - res = 1; - set_flags ((flags & ~O_TEXT) | O_BINARY); - set_open_status (); -out: - syscall_printf ("%d = fhandler_proc::open (%p, %d)", res, flags, mode); - return res; -} - -bool -fhandler_proc::fill_filebuf () -{ - if (fileid < PROC_LINK_COUNT && proc_tab[fileid].format_func) - { - filesize = proc_tab[fileid].format_func (NULL, filebuf); - return true; - } - return false; -} - -static _off64_t -format_proc_version (void *, char *&destbuf) -{ - struct utsname uts_name; - - uname (&uts_name); - destbuf = (char *) crealloc_abort (destbuf, strlen (uts_name.sysname) - + strlen (uts_name.release) - + strlen (uts_name.version) - + 4); - return __small_sprintf (destbuf, "%s %s %s\n", - uts_name.sysname, uts_name.release, uts_name.version); -} - -static _off64_t -format_proc_loadavg (void *, char *&destbuf) -{ - destbuf = (char *) crealloc_abort (destbuf, 16); - return __small_sprintf (destbuf, "%u.%02u %u.%02u %u.%02u\n", - 0, 0, 0, 0, 0, 0); -} - -static _off64_t -format_proc_meminfo (void *, char *&destbuf) -{ - unsigned long mem_total = 0UL, mem_free = 0UL, swap_total = 0UL, - swap_free = 0UL; - MEMORYSTATUS memory_status; - GlobalMemoryStatus (&memory_status); - mem_total = memory_status.dwTotalPhys; - mem_free = memory_status.dwAvailPhys; - PSYSTEM_PAGEFILE_INFORMATION spi = NULL; - ULONG size = 512; - NTSTATUS ret = STATUS_SUCCESS; - - spi = (PSYSTEM_PAGEFILE_INFORMATION) malloc (size); - if (spi) - { - ret = NtQuerySystemInformation (SystemPagefileInformation, (PVOID) spi, - size, &size); - if (ret == STATUS_INFO_LENGTH_MISMATCH) - { - free (spi); - spi = (PSYSTEM_PAGEFILE_INFORMATION) malloc (size); - if (spi) - ret = NtQuerySystemInformation (SystemPagefileInformation, - (PVOID) spi, size, &size); - } - } - if (!spi || ret || (!ret && GetLastError () == ERROR_PROC_NOT_FOUND)) - { - swap_total = memory_status.dwTotalPageFile - mem_total; - swap_free = memory_status.dwAvailPageFile - mem_total; - } - else - { - PSYSTEM_PAGEFILE_INFORMATION spp = spi; - do - { - swap_total += spp->CurrentSize * getsystempagesize (); - swap_free += (spp->CurrentSize - spp->TotalUsed) - * getsystempagesize (); - } - while (spp->NextEntryOffset - && (spp = (PSYSTEM_PAGEFILE_INFORMATION) - ((char *) spp + spp->NextEntryOffset))); - } - if (spi) - free (spi); - destbuf = (char *) crealloc_abort (destbuf, 512); - return __small_sprintf (destbuf, " total: used: free:\n" - "Mem: %10lu %10lu %10lu\n" - "Swap: %10lu %10lu %10lu\n" - "MemTotal: %10lu kB\n" - "MemFree: %10lu kB\n" - "MemShared: 0 kB\n" - "HighTotal: 0 kB\n" - "HighFree: 0 kB\n" - "LowTotal: %10lu kB\n" - "LowFree: %10lu kB\n" - "SwapTotal: %10lu kB\n" - "SwapFree: %10lu kB\n", - mem_total, mem_total - mem_free, mem_free, - swap_total, swap_total - swap_free, swap_free, - mem_total >> 10, mem_free >> 10, - mem_total >> 10, mem_free >> 10, - swap_total >> 10, swap_free >> 10); -} - -static _off64_t -format_proc_uptime (void *, char *&destbuf) -{ - unsigned long long uptime = 0ULL, idle_time = 0ULL; - NTSTATUS ret; - SYSTEM_TIME_OF_DAY_INFORMATION stodi; - /* Sizeof SYSTEM_PERFORMANCE_INFORMATION on 64 bit systems. It - appears to contain some trailing additional information from - what I can tell after examining the content. - FIXME: It would be nice if this could be verified somehow. */ - const size_t sizeof_spi = sizeof (SYSTEM_PERFORMANCE_INFORMATION) + 16; - PSYSTEM_PERFORMANCE_INFORMATION spi = (PSYSTEM_PERFORMANCE_INFORMATION) - alloca (sizeof_spi); - - if (!system_info.dwNumberOfProcessors) - GetSystemInfo (&system_info); - - ret = NtQuerySystemInformation (SystemTimeOfDayInformation, &stodi, - sizeof stodi, NULL); - if (NT_SUCCESS (ret)) - uptime = (stodi.CurrentTime.QuadPart - stodi.BootTime.QuadPart) / 100000ULL; - else - debug_printf ("NtQuerySystemInformation(SystemTimeOfDayInformation), " - "status %p", ret); - - if (NT_SUCCESS (NtQuerySystemInformation (SystemPerformanceInformation, - spi, sizeof_spi, NULL))) - idle_time = (spi->IdleTime.QuadPart / system_info.dwNumberOfProcessors) - / 100000ULL; - - destbuf = (char *) crealloc_abort (destbuf, 80); - return __small_sprintf (destbuf, "%U.%02u %U.%02u\n", - uptime / 100, long (uptime % 100), - idle_time / 100, long (idle_time % 100)); -} - -static _off64_t -format_proc_stat (void *, char *&destbuf) -{ - unsigned long pages_in = 0UL, pages_out = 0UL, interrupt_count = 0UL, - context_switches = 0UL, swap_in = 0UL, swap_out = 0UL; - time_t boot_time = 0; - NTSTATUS ret; - /* Sizeof SYSTEM_PERFORMANCE_INFORMATION on 64 bit systems. It - appears to contain some trailing additional information from - what I can tell after examining the content. - FIXME: It would be nice if this could be verified somehow. */ - const size_t sizeof_spi = sizeof (SYSTEM_PERFORMANCE_INFORMATION) + 16; - PSYSTEM_PERFORMANCE_INFORMATION spi = (PSYSTEM_PERFORMANCE_INFORMATION) - alloca (sizeof_spi); - SYSTEM_TIME_OF_DAY_INFORMATION stodi; - tmp_pathbuf tp; - - char *buf = tp.c_get (); - char *eobuf = buf; - - if (!system_info.dwNumberOfProcessors) - GetSystemInfo (&system_info); - - SYSTEM_PROCESSOR_TIMES spt[system_info.dwNumberOfProcessors]; - ret = NtQuerySystemInformation (SystemProcessorTimes, (PVOID) spt, - sizeof spt[0] * system_info.dwNumberOfProcessors, NULL); - if (!NT_SUCCESS (ret)) - debug_printf ("NtQuerySystemInformation(SystemProcessorTimes), " - "status %p", ret); - else - { - unsigned long long user_time = 0ULL, kernel_time = 0ULL, idle_time = 0ULL; - for (unsigned long i = 0; i < system_info.dwNumberOfProcessors; i++) - { - kernel_time += (spt[i].KernelTime.QuadPart - spt[i].IdleTime.QuadPart) - * HZ / 10000000ULL; - user_time += spt[i].UserTime.QuadPart * HZ / 10000000ULL; - idle_time += spt[i].IdleTime.QuadPart * HZ / 10000000ULL; - } - - eobuf += __small_sprintf (eobuf, "cpu %U %U %U %U\n", - user_time, 0ULL, kernel_time, idle_time); - user_time = 0ULL, kernel_time = 0ULL, idle_time = 0ULL; - for (unsigned long i = 0; i < system_info.dwNumberOfProcessors; i++) - { - interrupt_count += spt[i].InterruptCount; - kernel_time = (spt[i].KernelTime.QuadPart - spt[i].IdleTime.QuadPart) * HZ / 10000000ULL; - user_time = spt[i].UserTime.QuadPart * HZ / 10000000ULL; - idle_time = spt[i].IdleTime.QuadPart * HZ / 10000000ULL; - eobuf += __small_sprintf (eobuf, "cpu%d %U %U %U %U\n", i, - user_time, 0ULL, kernel_time, idle_time); - } - - ret = NtQuerySystemInformation (SystemPerformanceInformation, - (PVOID) spi, sizeof_spi, NULL); - if (!NT_SUCCESS (ret)) - { - debug_printf ("NtQuerySystemInformation(SystemPerformanceInformation)" - ", status %p", ret); - memset (spi, 0, sizeof_spi); - } - ret = NtQuerySystemInformation (SystemTimeOfDayInformation, - (PVOID) &stodi, - sizeof stodi, NULL); - if (!NT_SUCCESS (ret)) - debug_printf ("NtQuerySystemInformation(SystemTimeOfDayInformation), " - "status %p", ret); - } - if (!NT_SUCCESS (ret)) - return 0; - - pages_in = spi->PagesRead; - pages_out = spi->PagefilePagesWritten + spi->MappedFilePagesWritten; - /* - * Note: there is no distinction made in this structure between pages - * read from the page file and pages read from mapped files, but there - * is such a distinction made when it comes to writing. Goodness knows - * why. The value of swap_in, then, will obviously be wrong but its our - * best guess. - */ - swap_in = spi->PagesRead; - swap_out = spi->PagefilePagesWritten; - context_switches = spi->ContextSwitches; - boot_time = to_time_t ((FILETIME *) &stodi.BootTime.QuadPart); - - eobuf += __small_sprintf (eobuf, "page %u %u\n" - "swap %u %u\n" - "intr %u\n" - "ctxt %u\n" - "btime %u\n", - pages_in, pages_out, - swap_in, swap_out, - interrupt_count, - context_switches, - boot_time); - destbuf = (char *) crealloc_abort (destbuf, eobuf - buf); - memcpy (destbuf, buf, eobuf - buf); - return eobuf - buf; -} - -#define read_value(x,y) \ - do {\ - dwCount = BUFSIZE; \ - if ((dwError = RegQueryValueEx (hKey, x, NULL, &dwType, (BYTE *) szBuffer, &dwCount)), \ - (dwError != ERROR_SUCCESS && dwError != ERROR_MORE_DATA)) \ - { \ - debug_printf ("RegQueryValueEx failed retcode %d", dwError); \ - return 0; \ - } \ - if (dwType != y) \ - { \ - debug_printf ("Value %s had an unexpected type (expected %d, found %d)", y, dwType); \ - return 0; \ - }\ - } while (0) - -#define print(x) \ - do { \ - strcpy (bufptr, x), \ - bufptr += sizeof (x) - 1; \ - } while (0) - -static _off64_t -format_proc_cpuinfo (void *, char *&destbuf) -{ - SYSTEM_INFO siSystemInfo; - HKEY hKey; - DWORD dwError, dwCount, dwType; - DWORD dwOldThreadAffinityMask; - int cpu_number; - const int BUFSIZE = 256; - CHAR szBuffer[BUFSIZE]; - tmp_pathbuf tp; - - char *buf = tp.c_get (); - char *bufptr = buf; - - GetSystemInfo (&siSystemInfo); - for (cpu_number = 0; ; cpu_number++) - { - if (cpu_number) - print ("\n"); - - __small_sprintf (szBuffer, "HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\%d", cpu_number); - - if ((dwError = RegOpenKeyEx (HKEY_LOCAL_MACHINE, szBuffer, 0, KEY_QUERY_VALUE, &hKey)) != ERROR_SUCCESS) - { - if (dwError == ERROR_FILE_NOT_FOUND) - break; - debug_printf ("RegOpenKeyEx failed retcode %d", dwError); - return 0; - } - - dwOldThreadAffinityMask = SetThreadAffinityMask (GetCurrentThread (), 1 << cpu_number); - if (dwOldThreadAffinityMask == 0) - debug_printf ("SetThreadAffinityMask failed %E"); - // I'm not sure whether the thread changes processor immediately - // and I'm not sure whether this function will cause the thread to be rescheduled - low_priority_sleep (0); - - bool has_cpuid = false; - - if (!can_set_flag (0x00040000)) - debug_printf ("386 processor - no cpuid"); - else - { - debug_printf ("486 processor"); - if (can_set_flag (0x00200000)) - { - debug_printf ("processor supports CPUID instruction"); - has_cpuid = true; - } - else - debug_printf ("processor does not support CPUID instruction"); - } - - - if (!has_cpuid) - { - bufptr += __small_sprintf (bufptr, "processor : %d\n", cpu_number); - read_value ("VendorIdentifier", REG_SZ); - bufptr += __small_sprintf (bufptr, "vendor_id : %s\n", szBuffer); - read_value ("Identifier", REG_SZ); - bufptr += __small_sprintf (bufptr, "identifier : %s\n", szBuffer); - read_value ("~Mhz", REG_DWORD); - bufptr += __small_sprintf (bufptr, "cpu MHz : %u\n", *(DWORD *) szBuffer); - - print ("flags :"); - if (IsProcessorFeaturePresent (PF_3DNOW_INSTRUCTIONS_AVAILABLE)) - print (" 3dnow"); - if (IsProcessorFeaturePresent (PF_COMPARE_EXCHANGE_DOUBLE)) - print (" cx8"); - if (!IsProcessorFeaturePresent (PF_FLOATING_POINT_EMULATED)) - print (" fpu"); - if (IsProcessorFeaturePresent (PF_MMX_INSTRUCTIONS_AVAILABLE)) - print (" mmx"); - if (IsProcessorFeaturePresent (PF_PAE_ENABLED)) - print (" pae"); - if (IsProcessorFeaturePresent (PF_RDTSC_INSTRUCTION_AVAILABLE)) - print (" tsc"); - if (IsProcessorFeaturePresent (PF_XMMI_INSTRUCTIONS_AVAILABLE)) - print (" sse"); - if (IsProcessorFeaturePresent (PF_XMMI64_INSTRUCTIONS_AVAILABLE)) - print (" sse2"); - } - else - { - bufptr += __small_sprintf (bufptr, "processor\t: %d\n", cpu_number); - unsigned maxf, vendor_id[4], unused; - cpuid (&maxf, &vendor_id[0], &vendor_id[2], &vendor_id[1], 0); - maxf &= 0xffff; - vendor_id[3] = 0; - - // vendor identification - bool is_amd = false, is_intel = false; - if (!strcmp ((char*)vendor_id, "AuthenticAMD")) - is_amd = true; - else if (!strcmp ((char*)vendor_id, "GenuineIntel")) - is_intel = true; - - bufptr += __small_sprintf (bufptr, "vendor_id\t: %s\n", - (char *)vendor_id); - read_value ("~Mhz", REG_DWORD); - unsigned cpu_mhz = *(DWORD *)szBuffer; - if (maxf >= 1) - { - unsigned features2, features1, extra_info, cpuid_sig; - cpuid (&cpuid_sig, &extra_info, &features2, &features1, 1); - /* unsigned extended_family = (cpuid_sig & 0x0ff00000) >> 20, - extended_model = (cpuid_sig & 0x000f0000) >> 16, - type = (cpuid_sig & 0x00003000) >> 12; */ - unsigned family = (cpuid_sig & 0x00000f00) >> 8, - model = (cpuid_sig & 0x000000f0) >> 4, - stepping = cpuid_sig & 0x0000000f; - /* Not printed on Linux */ - //unsigned brand_id = extra_info & 0x0000000f; - //unsigned cpu_count = (extra_info & 0x00ff0000) >> 16; - unsigned apic_id = (extra_info & 0xff000000) >> 24; - if (family == 15) - family += (cpuid_sig >> 20) & 0xff; - if (family >= 6) - model += ((cpuid_sig >> 16) & 0x0f) << 4; - unsigned maxe = 0; - cpuid (&maxe, &unused, &unused, &unused, 0x80000000); - if (maxe >= 0x80000004) - { - unsigned *model_name = (unsigned *) szBuffer; - cpuid (&model_name[0], &model_name[1], &model_name[2], - &model_name[3], 0x80000002); - cpuid (&model_name[4], &model_name[5], &model_name[6], - &model_name[7], 0x80000003); - cpuid (&model_name[8], &model_name[9], &model_name[10], - &model_name[11], 0x80000004); - model_name[12] = 0; - } - else - { - // could implement a lookup table here if someone needs it - strcpy (szBuffer, "unknown"); - } - int cache_size = -1, - tlb_size = -1, - clflush = 64, - cache_alignment = 64; - if (features1 & (1 << 19)) // CLFSH - clflush = ((extra_info >> 8) & 0xff) << 3; - if (is_intel && family == 15) - cache_alignment = clflush * 2; - if (maxe >= 0x80000005) // L1 Cache and TLB Identifiers - { - unsigned data_cache, inst_cache; - cpuid (&unused, &unused, &data_cache, &inst_cache, - 0x80000005); - - cache_size = (inst_cache >> 24) + (data_cache >> 24); - tlb_size = 0; - } - if (maxe >= 0x80000006) // L2 Cache and L2 TLB Identifiers - { - unsigned tlb, l2; - cpuid (&unused, &tlb, &l2, &unused, 0x80000006); - - cache_size = l2 >> 16; - tlb_size = ((tlb >> 16) & 0xfff) + (tlb & 0xfff); - } - bufptr += __small_sprintf (bufptr, "cpu family\t: %d\n" - "model\t\t: %d\n" - "model name\t: %s\n" - "stepping\t: %d\n" - "cpu MHz\t\t: %d\n", - family, - model, - szBuffer + strspn (szBuffer, " "), - stepping, - cpu_mhz); - if (cache_size >= 0) - bufptr += __small_sprintf (bufptr, "cache size\t: %d KB\n", - cache_size); - - // Recognize multi-core CPUs - if (is_amd && maxe >= 0x80000008) - { - unsigned core_info; - cpuid (&unused, &unused, &core_info, &unused, 0x80000008); - - int max_cores = 1 + (core_info & 0xff); - if (max_cores > 1) - { - int shift = (core_info >> 12) & 0x0f; - if (!shift) - while ((1 << shift) < max_cores) - ++shift; - int core_id = apic_id & ((1 << shift) - 1); - apic_id >>= shift; - - bufptr += __small_sprintf (bufptr, "physical id\t: %d\n" - "core id\t\t: %d\n" - "cpu cores\t: %d\n", - apic_id, core_id, max_cores); - } - } - // Recognize Intel Hyper-Transport CPUs - else if (is_intel && (features1 & (1 << 28)) && maxf >= 4) - { - /* TODO */ - } - - bufptr += __small_sprintf (bufptr, "fpu\t\t: %s\n" - "fpu_exception\t: %s\n" - "cpuid level\t: %d\n" - "wp\t\t: yes\n", - (features1 & (1 << 0)) ? "yes" : "no", - (features1 & (1 << 0)) ? "yes" : "no", - maxf); - print ("flags\t\t:"); - if (features1 & (1 << 0)) - print (" fpu"); - if (features1 & (1 << 1)) - print (" vme"); - if (features1 & (1 << 2)) - print (" de"); - if (features1 & (1 << 3)) - print (" pse"); - if (features1 & (1 << 4)) - print (" tsc"); - if (features1 & (1 << 5)) - print (" msr"); - if (features1 & (1 << 6)) - print (" pae"); - if (features1 & (1 << 7)) - print (" mce"); - if (features1 & (1 << 8)) - print (" cx8"); - if (features1 & (1 << 9)) - print (" apic"); - if (features1 & (1 << 11)) - print (" sep"); - if (features1 & (1 << 12)) - print (" mtrr"); - if (features1 & (1 << 13)) - print (" pge"); - if (features1 & (1 << 14)) - print (" mca"); - if (features1 & (1 << 15)) - print (" cmov"); - if (features1 & (1 << 16)) - print (" pat"); - if (features1 & (1 << 17)) - print (" pse36"); - if (features1 & (1 << 18)) - print (" pn"); - if (features1 & (1 << 19)) - print (" clflush"); - if (is_intel && features1 & (1 << 21)) - print (" dts"); - if (is_intel && features1 & (1 << 22)) - print (" acpi"); - if (features1 & (1 << 23)) - print (" mmx"); - if (features1 & (1 << 24)) - print (" fxsr"); - if (features1 & (1 << 25)) - print (" sse"); - if (features1 & (1 << 26)) - print (" sse2"); - if (is_intel && (features1 & (1 << 27))) - print (" ss"); - if (features1 & (1 << 28)) - print (" ht"); - if (is_intel) - { - if (features1 & (1 << 29)) - print (" tm"); - if (features1 & (1 << 30)) - print (" ia64"); - if (features1 & (1 << 31)) - print (" pbe"); - } - - if (is_amd && maxe >= 0x80000001) - { - unsigned features; - cpuid (&unused, &unused, &unused, &features, 0x80000001); - - if (features & (1 << 11)) - print (" syscall"); - if (features & (1 << 19)) // Huh? Not in AMD64 specs. - print (" mp"); - if (features & (1 << 20)) - print (" nx"); - if (features & (1 << 22)) - print (" mmxext"); - if (features & (1 << 25)) - print (" fxsr_opt"); - if (features & (1 << 27)) - print (" rdtscp"); - if (features & (1 << 29)) - print (" lm"); - if (features & (1 << 30)) // 31th bit is on - print (" 3dnowext"); - if (features & (1 << 31)) // 32th bit (highest) is on - print (" 3dnow"); - } - - if (features2 & (1 << 0)) - print (" pni"); - if (is_intel) - { - if (features2 & (1 << 3)) - print (" monitor"); - if (features2 & (1 << 4)) - print (" ds_cpl"); - if (features2 & (1 << 7)) - print (" tm2"); - if (features2 & (1 << 8)) - print (" est"); - if (features2 & (1 << 10)) - print (" cid"); - } - if (features2 & (1 << 13)) - print (" cx16"); - - if (is_amd && maxe >= 0x80000001) - { - unsigned features; - cpuid (&unused, &unused, &features, &unused, 0x80000001); - - if (features & (1 << 0)) - print (" lahf_lm"); - if (features & (1 << 1)) - print (" cmp_legacy"); - if (features & (1 << 2)) - print (" svm"); - if (features & (1 << 4)) - print (" cr8_legacy"); - } - - print ("\n"); - - /* TODO: bogomips */ - - if (tlb_size >= 0) - bufptr += __small_sprintf (bufptr, - "TLB size\t: %d 4K pages\n", - tlb_size); - bufptr += __small_sprintf (bufptr, "clflush size\t: %d\n" - "cache_alignment\t: %d\n", - clflush, - cache_alignment); - - if (maxe >= 0x80000008) // Address size - { - unsigned addr_size, phys, virt; - cpuid (&addr_size, &unused, &unused, &unused, 0x80000008); - - phys = addr_size & 0xff; - virt = (addr_size >> 8) & 0xff; - /* Fix an errata on Intel CPUs */ - if (is_intel && family == 15 && model == 3 && stepping == 4) - phys = 36; - bufptr += __small_sprintf (bufptr, "address sizes\t: " - "%u bits physical, " - "%u bits virtual\n", - phys, virt); - } - - if (maxe >= 0x80000007) // advanced power management - { - cpuid (&unused, &unused, &unused, &features2, 0x80000007); - - print ("power management:"); - if (features2 & (1 << 0)) - print (" ts"); - if (features2 & (1 << 1)) - print (" fid"); - if (features2 & (1 << 2)) - print (" vid"); - if (features2 & (1 << 3)) - print (" ttp"); - if (features2 & (1 << 4)) - print (" tm"); - if (features2 & (1 << 5)) - print (" stc"); - } - } - else - { - bufptr += __small_sprintf (bufptr, "cpu MHz : %d\n" - "fpu : %s\n", - cpu_mhz, - IsProcessorFeaturePresent (PF_FLOATING_POINT_EMULATED) ? "no" : "yes"); - } - } - if (dwOldThreadAffinityMask != 0) - SetThreadAffinityMask (GetCurrentThread (), dwOldThreadAffinityMask); - - RegCloseKey (hKey); - bufptr += __small_sprintf (bufptr, "\n"); - } - - destbuf = (char *) crealloc_abort (destbuf, bufptr - buf); - memcpy (destbuf, buf, bufptr - buf); - return bufptr - buf; -} - -#undef read_value - -static _off64_t -format_proc_partitions (void *, char *&destbuf) -{ - char devname[NAME_MAX + 1]; - OBJECT_ATTRIBUTES attr; - HANDLE dirhdl, devhdl; - IO_STATUS_BLOCK io; - NTSTATUS status; - tmp_pathbuf tp; - - char *buf = tp.c_get (); - char *bufptr = buf; - - /* Open \Device object directory. */ - wchar_t wpath[MAX_PATH] = L"\\Device"; - UNICODE_STRING upath = {14, 16, wpath}; - InitializeObjectAttributes (&attr, &upath, OBJ_CASE_INSENSITIVE, NULL, NULL); - status = NtOpenDirectoryObject (&dirhdl, DIRECTORY_QUERY, &attr); - if (!NT_SUCCESS (status)) - { - debug_printf ("NtOpenDirectoryObject, status %p", status); - return 0; - } - - print ("major minor #blocks name\n\n"); - /* Traverse \Device directory ... */ - PDIRECTORY_BASIC_INFORMATION dbi = (PDIRECTORY_BASIC_INFORMATION) - alloca (640); - BOOLEAN restart = TRUE; - ULONG context = 0; - while (NT_SUCCESS (NtQueryDirectoryObject (dirhdl, dbi, 640, TRUE, restart, - &context, NULL))) - { - restart = FALSE; - sys_wcstombs (devname, NAME_MAX + 1, dbi->ObjectName.Buffer, - dbi->ObjectName.Length / 2); - /* ... and check for a "Harddisk[0-9]*" entry. */ - if (!strncasematch (devname, "Harddisk", 8) - || dbi->ObjectName.Length < 18 - || !isdigit (devname[8])) - continue; - /* Construct path name for partition 0, which is the whole disk, - and try to open. */ - wcscpy (wpath, dbi->ObjectName.Buffer); - wcscpy (wpath + dbi->ObjectName.Length / 2, L"\\Partition0"); - upath.Length = 22 + dbi->ObjectName.Length; - upath.MaximumLength = upath.Length + 2; - InitializeObjectAttributes (&attr, &upath, OBJ_CASE_INSENSITIVE, - dirhdl, NULL); - status = NtOpenFile (&devhdl, READ_CONTROL | FILE_READ_DATA, &attr, &io, - FILE_SHARE_VALID_FLAGS, 0); - if (!NT_SUCCESS (status)) - { - /* Retry with READ_CONTROL only for non-privileged users. This - at least prints the Partition0 info, but it doesn't allow access - to the drive's layout information. It beats me, though, why - a non-privileged user shouldn't get read access to the drive - layout information. */ - status = NtOpenFile (&devhdl, READ_CONTROL, &attr, &io, - FILE_SHARE_VALID_FLAGS, 0); - if (!NT_SUCCESS (status)) - { - debug_printf ("NtOpenFile(%s), status %p", devname, status); - continue; - } - } - - /* Use a buffer since some ioctl buffers aren't fixed size. */ - char buf[256]; - PARTITION_INFORMATION *pi = NULL; - PARTITION_INFORMATION_EX *pix = NULL; - DISK_GEOMETRY *dg = NULL; - DWORD bytes; - unsigned long drive_number = strtoul (devname + 8, NULL, 10); - unsigned long long size; - - if (wincap.has_disk_ex_ioctls () - && DeviceIoControl (devhdl, IOCTL_DISK_GET_PARTITION_INFO_EX, - NULL, 0, buf, 256, &bytes, NULL)) - { - pix = (PARTITION_INFORMATION_EX *) buf; - size = pix->PartitionLength.QuadPart; - } - else if (DeviceIoControl (devhdl, IOCTL_DISK_GET_PARTITION_INFO, - NULL, 0, buf, 256, &bytes, NULL)) - { - pi = (PARTITION_INFORMATION *) buf; - size = pi->PartitionLength.QuadPart; - } - else if (DeviceIoControl (devhdl, IOCTL_DISK_GET_DRIVE_GEOMETRY, - NULL, 0, buf, 256, &bytes, NULL)) - { - dg = (DISK_GEOMETRY *) buf; - size = (unsigned long long) dg->Cylinders.QuadPart - * dg->TracksPerCylinder - * dg->SectorsPerTrack - * dg->BytesPerSector; - } - else - size = 0; - if (!pi && !pix && !dg) - debug_printf ("DeviceIoControl %E"); - else - { - device dev; - dev.parsedisk (drive_number, 0); - bufptr += __small_sprintf (bufptr, "%5d %5d %9U %s\n", - dev.major, dev.minor, - size >> 10, dev.name + 5); - } - size_t buf_size = 8192; - while (true) - { - char buf[buf_size]; - if (DeviceIoControl (devhdl, IOCTL_DISK_GET_DRIVE_LAYOUT, - NULL, 0, (DRIVE_LAYOUT_INFORMATION *) buf, - buf_size, &bytes, NULL)) - /* fall through */; - else if (GetLastError () == ERROR_INSUFFICIENT_BUFFER) - { - buf_size *= 2; - continue; - } - else - { - debug_printf ("DeviceIoControl %E"); - break; - } - DRIVE_LAYOUT_INFORMATION *dli = (DRIVE_LAYOUT_INFORMATION *) buf; - for (unsigned part = 0; part < dli->PartitionCount; part++) - { - if (!dli->PartitionEntry[part].PartitionLength.QuadPart - || !dli->PartitionEntry[part].RecognizedPartition) - continue; - device dev; - dev.parsedisk (drive_number, - dli->PartitionEntry[part].PartitionNumber); - size = dli->PartitionEntry[part].PartitionLength.QuadPart >> 10; - bufptr += __small_sprintf (bufptr, "%5d %5d %9U %s\n", - dev.major, dev.minor, - size, dev.name + 5); - } - break; - } - NtClose (devhdl); - } - NtClose (dirhdl); - - destbuf = (char *) crealloc_abort (destbuf, bufptr - buf); - memcpy (destbuf, buf, bufptr - buf); - return bufptr - buf; -} - -static _off64_t -format_proc_self (void *, char *&destbuf) -{ - destbuf = (char *) crealloc_abort (destbuf, 16); - return __small_sprintf (destbuf, "%d", getpid ()); -} - -static _off64_t -format_proc_mounts (void *, char *&destbuf) -{ - destbuf = (char *) crealloc_abort (destbuf, sizeof ("self/mounts")); - return __small_sprintf (destbuf, "self/mounts"); -} - -#undef print |