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Update.
1998-03-10 17:54 Ulrich Drepper <drepper@cygnus.com> * libc.map: Add _dl_debug_message. * elf/dl-misc.c: Make _dl_debug_message a function. Print the PID before every line. * elf/fini.c: Correctly use new _dl_debug_message function. * elf/init.c: Likewise. * elf/dl-lookup.c: Likewise. * sysdeps/unix/sysv/linux/libc-start.c: Likewise. * elf/dl-load.c: Likewise. Add more debugging prints. * elf/dl-reloc.c: Likewise. * elf/dl-version.c: Likewise. * elf/dl-support.c: Add variables for debugging. * elf/rtld.c: Likewise. Recognize new debug options. * elf/link.h: Declare new variables. * elf/dl-deps.c (_dl_map_object_deps): Little optimizations. * sysdeps/unix/sysv/linux/sys/quota.h: Extract information from kernel headers. Patch by a sun <asun@saul7.u.washington.edu>. 1998-03-11 00:16 Tim Waugh <tim@cyberelk.demon.co.uk> * posix/wordexp-test.c (command_line_test): New function to allow testing of specific cases from the command-line. 1998-03-10 Ulrich Drepper <drepper@cygnus.com> * elf/dl-init.c (_dl_init_next): Print nicer messages. * elf/dl-fini.c (_dl_fini): Likewise. * sysdeps/unix/sysv/linux/libc-start.c (__libc_start_main): Likewise.
This commit is contained in:
Ulrich Drepper
parent
62c349c632
commit
8193034b1d
32
ChangeLog
32
ChangeLog
@ -1,5 +1,37 @@
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1998-03-10 17:54 Ulrich Drepper <drepper@cygnus.com>
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* libc.map: Add _dl_debug_message.
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* elf/dl-misc.c: Make _dl_debug_message a function. Print the PID
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before every line.
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* elf/fini.c: Correctly use new _dl_debug_message function.
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* elf/init.c: Likewise.
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* elf/dl-lookup.c: Likewise.
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* sysdeps/unix/sysv/linux/libc-start.c: Likewise.
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* elf/dl-load.c: Likewise. Add more debugging prints.
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* elf/dl-reloc.c: Likewise.
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* elf/dl-version.c: Likewise.
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* elf/dl-support.c: Add variables for debugging.
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* elf/rtld.c: Likewise. Recognize new debug options.
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* elf/link.h: Declare new variables.
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* elf/dl-deps.c (_dl_map_object_deps): Little optimizations.
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1998-03-10 Ulrich Drepper <drepper@cygnus.com>
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* sysdeps/unix/sysv/linux/sys/quota.h: Extract information from
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kernel headers. Patch by a sun <asun@saul7.u.washington.edu>.
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1998-03-11 00:16 Tim Waugh <tim@cyberelk.demon.co.uk>
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* posix/wordexp-test.c (command_line_test): New function to allow
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testing of specific cases from the command-line.
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1998-03-10 Ulrich Drepper <drepper@cygnus.com>
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* elf/dl-init.c (_dl_init_next): Print nicer messages.
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* elf/dl-fini.c (_dl_fini): Likewise.
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* sysdeps/unix/sysv/linux/libc-start.c (__libc_start_main): Likewise.
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* elf/dl-lookup.c (_dl_lookup_versioned_symbol): Print version
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symbol in debug message.
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(_dl_lookup_versioned_symbol_skip): Likewise.
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@ -139,7 +139,7 @@ _dl_map_object_deps (struct link_map *map,
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{
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struct link_map *l = runp->map;
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if (l->l_info[AUXTAG] || l->l_info[FILTERTAG] || l->l_info[DT_NEEDED])
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if (l->l_info[DT_NEEDED] || l->l_info[AUXTAG] || l->l_info[FILTERTAG])
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{
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const char *strtab = ((void *) l->l_addr
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+ l->l_info[DT_STRTAB]->d_un.d_ptr);
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@ -228,12 +228,11 @@ _dl_map_object_deps (struct link_map *map,
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newp = alloca (sizeof (struct list));
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/* Copy the content of the current entry over. */
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memcpy (newp, orig, sizeof (*newp));
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orig->dup = memcpy (newp, orig, sizeof (*newp));
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/* Initialize new entry. */
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orig->done = 0;
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orig->map = args.aux;
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orig->dup = newp;
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/* We must handle two situations here: the map is new,
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so we must add it in all three lists. If the map
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@ -347,7 +346,7 @@ _dl_map_object_deps (struct link_map *map,
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if (runp->done)
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do
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runp = runp->unique;
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while (runp && runp->done);
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while (runp != NULL && runp->done);
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}
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/* Store the search list we built in the object. It will be used for
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@ -32,9 +32,9 @@ _dl_fini (void)
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{
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/* When debugging print a message first. */
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if (_dl_debug_impcalls)
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_dl_debug_message ("\n\tcalling fini: ",
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_dl_debug_message (1, "\ncalling fini: ",
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l->l_name[0] ? l->l_name : _dl_argv[0],
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"\n", NULL);
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"\n\n", NULL);
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(*(void (*) (void)) (l->l_addr + l->l_info[DT_FINI]->d_un.d_ptr)) ();
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}
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@ -60,7 +60,7 @@ _dl_init_next (struct link_map *map)
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/* Print a debug message if wanted. */
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if (_dl_debug_impcalls)
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_dl_debug_message ("\tcalling init: ",
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_dl_debug_message (1, "\ncalling init: ",
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l->l_name[0] ? l->l_name : _dl_argv[0],
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"\n\n", NULL);
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@ -28,6 +28,7 @@
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#include <sys/stat.h>
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#include <sys/types.h>
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#include "dynamic-link.h"
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#include <stdio-common/_itoa.h>
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/* On some systems, no flag bits are given to specify file mapping. */
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@ -527,6 +528,7 @@ _dl_map_object_from_fd (char *name, int fd, char *realname,
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const ElfW(Ehdr) *header;
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const ElfW(Phdr) *phdr;
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const ElfW(Phdr) *ph;
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size_t maplength;
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int type;
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/* Look again to see if the real name matched another already loaded. */
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@ -545,6 +547,10 @@ _dl_map_object_from_fd (char *name, int fd, char *realname,
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return l;
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}
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/* Print debugging message. */
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if (_dl_debug_files)
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_dl_debug_message (1, "file=", name, "; generating link map\n", NULL);
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/* Map in the first page to read the header. */
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header = map (0, sizeof *header);
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@ -663,6 +669,9 @@ _dl_map_object_from_fd (char *name, int fd, char *realname,
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/* Now process the load commands and map segments into memory. */
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c = loadcmds;
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/* Length of the sections to be loaded. */
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maplength = loadcmds[nloadcmds - 1].allocend - c->mapstart;
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if (type == ET_DYN || type == ET_REL)
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{
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/* This is a position-independent shared object. We can let the
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@ -678,7 +687,6 @@ _dl_map_object_from_fd (char *name, int fd, char *realname,
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the OS can do whatever it likes. */
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caddr_t mapat;
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ElfW(Addr) mappref;
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size_t maplength = loadcmds[nloadcmds - 1].allocend - c->mapstart;
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mappref = (ELF_PREFERRED_ADDRESS (loader, maplength, c->mapstart)
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- MAP_BASE_ADDR (l));
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mapat = map_segment (mappref, maplength, c->prot, 0, c->mapoff);
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@ -786,6 +794,36 @@ _dl_map_object_from_fd (char *name, int fd, char *realname,
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l->l_entry += l->l_addr;
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if (_dl_debug_files)
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{
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const size_t nibbles = sizeof (void *) * 2;
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char buf1[nibbles + 1];
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char buf2[nibbles + 1];
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char buf3[nibbles + 1];
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buf1[nibbles] = '\0';
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buf2[nibbles] = '\0';
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buf3[nibbles] = '\0';
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memset (buf1, '0', nibbles);
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memset (buf2, '0', nibbles);
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memset (buf3, '0', nibbles);
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_itoa_word ((unsigned long int) l->l_ld, &buf1[nibbles], 16, 0);
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_itoa_word ((unsigned long int) l->l_addr, &buf2[nibbles], 16, 0);
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_itoa_word (maplength, &buf3[nibbles], 16, 0);
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_dl_debug_message (1, " dynamic: 0x", buf1, " base: 0x", buf2,
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" size: 0x", buf3, "\n", NULL);
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memset (buf1, '0', nibbles);
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memset (buf2, '0', nibbles);
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memset (buf3, ' ', nibbles);
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_itoa_word ((unsigned long int) l->l_entry, &buf1[nibbles], 16, 0);
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_itoa_word ((unsigned long int) l->l_phdr, &buf2[nibbles], 16, 0);
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_itoa_word (l->l_phnum, &buf3[nibbles], 10, 0);
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_dl_debug_message (1, " entry: 0x", buf1, " phdr: 0x", buf2,
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" phnum: ", buf3, "\n\n", NULL);
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}
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elf_get_dynamic_info (l->l_ld, l->l_info);
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if (l->l_info[DT_HASH])
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_dl_setup_hash (l);
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@ -800,7 +838,7 @@ print_search_path (struct r_search_path_elem **list,
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{
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int first = 1;
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_dl_debug_message ("\t search path=", NULL);
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_dl_debug_message (1, " search path=", NULL);
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while (*list != NULL && (*list)->what == what) /* Yes, ==. */
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{
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@ -809,23 +847,23 @@ print_search_path (struct r_search_path_elem **list,
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if ((*list)->machdirstatus != nonexisting)
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{
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buf[(*list)->machdirnamelen - 1] = '\0';
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_dl_debug_message (first ? "" : ":", buf, NULL);
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_dl_debug_message (0, first ? "" : ":", buf, NULL);
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first = 0;
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}
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if ((*list)->dirstatus != nonexisting)
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{
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buf[(*list)->dirnamelen - 1] = '\0';
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_dl_debug_message (first ? "" : ":", buf, NULL);
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_dl_debug_message (0, first ? "" : ":", buf, NULL);
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first = 0;
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}
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++list;
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}
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if (name != NULL)
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_dl_debug_message ("\t\t(", what, " from file ",
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_dl_debug_message (0, "\t\t(", what, " from file ",
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name[0] ? name : _dl_argv[0], ")\n", NULL);
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else
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_dl_debug_message ("\t\t(", what, ")\n", NULL);
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_dl_debug_message (0, "\t\t(", what, ")\n", NULL);
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}
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/* Try to open NAME in one of the directories in DIRS.
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@ -871,7 +909,7 @@ open_path (const char *name, size_t namelen, int preloaded,
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/* Print name we try if this is wanted. */
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if (_dl_debug_libs)
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_dl_debug_message ("\t trying file=", buf, "\n", NULL);
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_dl_debug_message (1, " trying file=", buf, "\n", NULL);
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fd = __open (buf, O_RDONLY);
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if (this_dir->machdirstatus == unknown)
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@ -926,7 +964,7 @@ open_path (const char *name, size_t namelen, int preloaded,
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/* Print name we try if this is wanted. */
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if (_dl_debug_libs)
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_dl_debug_message ("\t trying file=", buf, "\n", NULL);
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_dl_debug_message (1, " trying file=", buf, "\n", NULL);
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fd = __open (buf, O_RDONLY);
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if (this_dir->dirstatus == unknown)
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@ -1038,6 +1076,12 @@ _dl_map_object (struct link_map *loader, const char *name, int preloaded,
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return l;
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}
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/* Display information if we are debugging. */
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if (_dl_debug_files && loader != NULL)
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_dl_debug_message (1, "\nfile=", name, "; needed by ",
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loader->l_name[0] ? loader->l_name : _dl_argv[0],
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"\n", NULL);
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if (strchr (name, '/') == NULL)
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{
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/* Search for NAME in several places. */
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@ -1045,7 +1089,7 @@ _dl_map_object (struct link_map *loader, const char *name, int preloaded,
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size_t namelen = strlen (name) + 1;
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if (_dl_debug_libs)
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_dl_debug_message ("\tfind library=", name, "; searching\n", NULL);
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_dl_debug_message (1, "find library=", name, "; searching\n", NULL);
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fd = -1;
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@ -1109,7 +1153,7 @@ _dl_map_object (struct link_map *loader, const char *name, int preloaded,
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/* Add another newline when we a tracing the library loading. */
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if (_dl_debug_libs)
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_dl_debug_message ("\n", NULL);
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_dl_debug_message (1, "\n", NULL);
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}
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else
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{
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@ -100,7 +100,7 @@ do_lookup (const char *undef_name, unsigned long int hash,
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/* Print some debugging info if wanted. */
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if (_dl_debug_symbols)
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_dl_debug_message ("\tsymbol=", undef_name, "; lookup in file=",
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_dl_debug_message (1, "symbol=", undef_name, "; lookup in file=",
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map->l_name[0] ? map->l_name : _dl_argv[0],
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"\n", NULL);
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@ -236,7 +236,7 @@ _dl_lookup_symbol (const char *undef_name, const ElfW(Sym) **ref,
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}
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if (_dl_debug_bindings)
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_dl_debug_message ("\tbinding file ", reference_name, " to ",
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_dl_debug_message (1, "binding file ", reference_name, " to ",
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current_value.m->l_name[0]
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? current_value.m->l_name : _dl_argv[0],
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": symbol `", undef_name, "'\n", NULL);
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@ -281,7 +281,7 @@ _dl_lookup_symbol_skip (const char *undef_name, const ElfW(Sym) **ref,
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}
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if (_dl_debug_bindings)
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_dl_debug_message ("\tbinding file ", reference_name, " to ",
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_dl_debug_message (1, "binding file ", reference_name, " to ",
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current_value.m->l_name[0]
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? current_value.m->l_name : _dl_argv[0],
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": symbol `", undef_name, "'\n", NULL);
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@ -342,7 +342,7 @@ _dl_lookup_versioned_symbol (const char *undef_name, const ElfW(Sym) **ref,
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}
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if (_dl_debug_bindings)
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_dl_debug_message ("\tbinding file ", reference_name, " to ",
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_dl_debug_message (1, "binding file ", reference_name, " to ",
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current_value.m->l_name[0]
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? current_value.m->l_name : _dl_argv[0],
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": symbol `", undef_name, "' [", version->name,
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@ -396,7 +396,7 @@ _dl_lookup_versioned_symbol_skip (const char *undef_name,
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}
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if (_dl_debug_bindings)
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_dl_debug_message ("\tbinding file ", reference_name, " to ",
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_dl_debug_message (1, "binding file ", reference_name, " to ",
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current_value.m->l_name[0]
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? current_value.m->l_name : _dl_argv[0],
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": symbol `", undef_name, "' [", version->name,
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@ -22,8 +22,10 @@
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#include <unistd.h>
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#include <stdarg.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <stdio-common/_itoa.h>
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#ifndef MAP_ANON
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/* This is the only dl-sysdep.c function that is actually needed at run-time
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@ -89,6 +91,54 @@ _dl_sysdep_output (int fd, const char *msg, ...)
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size_t len = strlen (msg);
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__write (fd, msg, len);
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msg = va_arg (ap, const char *);
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} while (msg);
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}
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while (msg != NULL);
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va_end (ap);
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}
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void
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_dl_debug_message (int new_line, const char *msg, ...)
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{
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/* We print the strings we get passed one after the other but start all
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lines using the current PID. */
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static int pid;
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va_list ap;
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if (pid == 0)
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pid = getpid ();
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va_start (ap, msg);
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do
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if (msg[0] == '\0')
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/* Get the next argument. */
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msg = va_arg (ap, const char *);
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else
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{
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const char *endp;
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/* We actually will print something in this line. So print the
|
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PID now if needed. */
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if (new_line)
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{
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char buf[7] = "00000:\t";
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__write (_dl_debug_fd, _itoa_word (pid, &buf[5], 10, 0), 7);
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new_line = 0;
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}
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endp = strchr (msg, '\n');
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if (endp == NULL)
|
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{
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__write (_dl_debug_fd, msg, strlen (msg));
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msg = va_arg (ap, const char *);
|
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}
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else
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{
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__write (_dl_debug_fd, msg, endp - msg + 1);
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msg = endp + 1;
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new_line = 1;
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}
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}
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while (msg != NULL);
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va_end (ap);
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}
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@ -32,6 +32,10 @@ _dl_relocate_object (struct link_map *l, struct link_map *scope[], int lazy)
|
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if (l->l_relocated)
|
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return;
|
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|
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if (_dl_debug_reloc)
|
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_dl_debug_message (1, "\nrelocation processing: ",
|
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l->l_name[0] ? l->l_name : _dl_argv[0], "\n", NULL);
|
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|
||||
if (l->l_info[DT_TEXTREL])
|
||||
{
|
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/* Bletch. We must make read-only segments writable
|
||||
|
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@ -39,6 +39,9 @@ int _dl_debug_libs;
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int _dl_debug_impcalls;
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int _dl_debug_bindings;
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int _dl_debug_symbols;
|
||||
int _dl_debug_versions;
|
||||
int _dl_debug_reloc;
|
||||
int _dl_debug_files;
|
||||
|
||||
/* If nonzero print warnings about problematic situations. */
|
||||
int _dl_verbose;
|
||||
|
||||
@ -79,6 +79,12 @@ match_symbol (const char *name, ElfW(Word) hash, const char *string,
|
||||
ElfW(Addr) def_offset;
|
||||
ElfW(Verdef) *def;
|
||||
|
||||
/* Display information about what we are doing while debugging. */
|
||||
if (_dl_debug_versions)
|
||||
_dl_debug_message (1, "checking for version `", string, "' in file ",
|
||||
map->l_name[0] ? map->l_name : _dl_argv[0],
|
||||
" required by file ", name, "\n", NULL);
|
||||
|
||||
if (map->l_info[VERSTAG (DT_VERDEF)] == NULL)
|
||||
{
|
||||
/* The file has no symbol versioning. I.e., the dependent
|
||||
|
||||
10
elf/link.h
10
elf/link.h
@ -253,6 +253,9 @@ extern int _dl_debug_libs;
|
||||
extern int _dl_debug_impcalls;
|
||||
extern int _dl_debug_bindings;
|
||||
extern int _dl_debug_symbols;
|
||||
extern int _dl_debug_versions;
|
||||
extern int _dl_debug_reloc;
|
||||
extern int _dl_debug_files;
|
||||
|
||||
/* File deccriptor to write debug messages to. */
|
||||
extern int _dl_debug_fd;
|
||||
@ -267,9 +270,10 @@ extern void _dl_sysdep_output (int fd, const char *string, ...);
|
||||
|
||||
/* OS-dependent function to write a debug message on the specified
|
||||
descriptor for this. All arguments are `const char *'; args until
|
||||
a null pointer are concatenated to form the message to print. */
|
||||
#define _dl_debug_message(string, args...) \
|
||||
_dl_sysdep_output (_dl_debug_fd, string, ##args)
|
||||
a null pointer are concatenated to form the message to print. If
|
||||
NEW_LINE is nonzero it is assumed that the message starts on a new
|
||||
line.*/
|
||||
extern void _dl_debug_message (int new_line, const char *string, ...);
|
||||
|
||||
/* OS-dependent function to write a message on the standard output.
|
||||
All arguments are `const char *'; args until a null pointer
|
||||
|
||||
60
elf/rtld.c
60
elf/rtld.c
@ -78,6 +78,9 @@ int _dl_debug_libs;
|
||||
int _dl_debug_impcalls;
|
||||
int _dl_debug_bindings;
|
||||
int _dl_debug_symbols;
|
||||
int _dl_debug_versions;
|
||||
int _dl_debug_reloc;
|
||||
int _dl_debug_files;
|
||||
|
||||
/* Set nonzero during loading and initialization of executable and
|
||||
libraries, cleared before the executable's entry point runs. This
|
||||
@ -927,7 +930,15 @@ process_dl_debug (char *dl_debug)
|
||||
++dl_debug;
|
||||
if (*dl_debug != '\0')
|
||||
{
|
||||
if (strncmp (dl_debug, "bindings", 8) == 0
|
||||
if (strncmp (dl_debug, "files", 5) == 0
|
||||
&& (issep (dl_debug[5]) || dl_debug[5] == '\0'))
|
||||
{
|
||||
_dl_debug_files = 1;
|
||||
_dl_debug_impcalls = 1;
|
||||
any_debug = 1;
|
||||
dl_debug += 5;
|
||||
}
|
||||
else if (strncmp (dl_debug, "bindings", 8) == 0
|
||||
&& (issep (dl_debug[8]) || dl_debug[8] == '\0'))
|
||||
{
|
||||
_dl_debug_bindings = 1;
|
||||
@ -935,6 +946,25 @@ process_dl_debug (char *dl_debug)
|
||||
any_debug = 1;
|
||||
dl_debug += 8;
|
||||
}
|
||||
else if (strncmp (dl_debug, "help", 4) == 0
|
||||
&& (issep (dl_debug[4]) || dl_debug[4] == '\0'))
|
||||
{
|
||||
_dl_sysdep_message ("\
|
||||
Valid options for the LD_DEBUG environment variable are:\n\
|
||||
\n\
|
||||
bindings display information about symbol binding\n\
|
||||
files display processing of files and libraries\n\
|
||||
help display this help message and exit\n\
|
||||
libs display library search paths\n\
|
||||
reloc display relocation processing\n\
|
||||
symbols display symbol table processing\n\
|
||||
versions display version dependencies\n\
|
||||
\n\
|
||||
To direct the debugging output into a file instead of standard output\n\
|
||||
a filename can be specified using the LD_DEBUG_OUTPUT environment variable.\n",
|
||||
NULL);
|
||||
_exit (0);
|
||||
}
|
||||
else if (strncmp (dl_debug, "libs", 4) == 0
|
||||
&& (issep (dl_debug[4]) || dl_debug[4] == '\0'))
|
||||
{
|
||||
@ -943,21 +973,13 @@ process_dl_debug (char *dl_debug)
|
||||
any_debug = 1;
|
||||
dl_debug += 4;
|
||||
}
|
||||
else if (strncmp (dl_debug, "help", 4) == 0
|
||||
&& (issep (dl_debug[4]) || dl_debug[4] == '\0'))
|
||||
else if (strncmp (dl_debug, "reloc", 4) == 0
|
||||
&& (issep (dl_debug[5]) || dl_debug[5] == '\0'))
|
||||
{
|
||||
_dl_sysdep_message ("\
|
||||
Valid options for the LD_DEBUG environment variable are:\n\
|
||||
\n\
|
||||
bindings display information about symbol binding\n\
|
||||
help display this help message and exit\n\
|
||||
libs display library search paths\n\
|
||||
symbols display symbol table processing\n\
|
||||
\n\
|
||||
To direct the debugging output into a file instead of standard output\n\
|
||||
a filename can be specified using the LD_DEBUG_OUTPUT environment variable.\n",
|
||||
NULL);
|
||||
_exit (0);
|
||||
_dl_debug_reloc = 1;
|
||||
_dl_debug_impcalls = 1;
|
||||
any_debug = 1;
|
||||
dl_debug += 5;
|
||||
}
|
||||
else if (strncmp (dl_debug, "symbols", 7) == 0
|
||||
&& (issep (dl_debug[7]) || dl_debug[7] == '\0'))
|
||||
@ -967,6 +989,14 @@ a filename can be specified using the LD_DEBUG_OUTPUT environment variable.\n",
|
||||
any_debug = 1;
|
||||
dl_debug += 7;
|
||||
}
|
||||
else if (strncmp (dl_debug, "versions", 8) == 0
|
||||
&& (issep (dl_debug[8]) || dl_debug[8] == '\0'))
|
||||
{
|
||||
_dl_debug_versions = 1;
|
||||
_dl_debug_impcalls = 1;
|
||||
any_debug = 1;
|
||||
dl_debug += 8;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Display a warning and skip everything until next
|
||||
|
||||
1
libc.map
1
libc.map
@ -99,6 +99,7 @@ GLIBC_2.0 {
|
||||
_rpc_dtablesize; _null_auth; _seterr_reply;
|
||||
__res_randomid; __getpid;
|
||||
__strcasecmp; __write; _strerror_internal; _dl_sysdep_output;
|
||||
_dl_debug_message;
|
||||
__ffs;
|
||||
|
||||
# Exception handling support functions from libgcc
|
||||
|
||||
@ -89,8 +89,19 @@ struct test_case_struct
|
||||
|
||||
static int testit (struct test_case_struct *tc);
|
||||
|
||||
void
|
||||
command_line_test (const char *words)
|
||||
{
|
||||
wordexp_t we;
|
||||
int i;
|
||||
int retval = wordexp (words, &we, 0);
|
||||
printf ("wordexp returned %d\n", retval);
|
||||
for (i = 0; i < we.we_wordc; i++)
|
||||
printf ("we_wordv[%d] = \"%s\"\n", i, we.we_wordv[i]);
|
||||
}
|
||||
|
||||
int
|
||||
main (int argc, char * argv[])
|
||||
main (int argc, char *argv[])
|
||||
{
|
||||
struct passwd *pw;
|
||||
int test;
|
||||
@ -101,6 +112,12 @@ main (int argc, char * argv[])
|
||||
if (testit (&test_case[test]))
|
||||
++fail;
|
||||
|
||||
if (argc > 1)
|
||||
{
|
||||
command_line_test (argv[1]);
|
||||
return 0;
|
||||
}
|
||||
|
||||
pw = getpwnam ("root");
|
||||
if (pw != NULL)
|
||||
{
|
||||
|
||||
@ -50,14 +50,14 @@ __libc_start_main (int (*main) (int, char **, char **), int argc,
|
||||
/* Call the initializer of the libc. */
|
||||
#ifdef PIC
|
||||
if (_dl_debug_impcalls)
|
||||
_dl_debug_message ("\tinitialize libc\n\n", NULL);
|
||||
_dl_debug_message (1, "\ninitialize libc\n\n", NULL);
|
||||
#endif
|
||||
__libc_init_first (argc, argv, __environ);
|
||||
|
||||
/* Call the initializer of the program. */
|
||||
#ifdef PIC
|
||||
if (_dl_debug_impcalls)
|
||||
_dl_debug_message ("\tinitialize program: ", argv[0], "\n\n", NULL);
|
||||
_dl_debug_message (1, "\ninitialize program: ", argv[0], "\n\n", NULL);
|
||||
#endif
|
||||
(*init) ();
|
||||
|
||||
@ -66,7 +66,7 @@ __libc_start_main (int (*main) (int, char **, char **), int argc,
|
||||
|
||||
#ifdef PIC
|
||||
if (_dl_debug_impcalls)
|
||||
_dl_debug_message ("\ttransferring control: ", argv[0], "\n\n", NULL);
|
||||
_dl_debug_message (1, "\ntransferring control: ", argv[0], "\n\n", NULL);
|
||||
#endif
|
||||
|
||||
exit ((*main) (argc, argv, __environ));
|
||||
|
||||
@ -1,3 +1,161 @@
|
||||
/* The kernel header file contains all declarations and definitions. */
|
||||
/* This just represents the non-kernel parts of <linux/quota.h>.
|
||||
*
|
||||
* here's the corresponding copyright:
|
||||
* Copyright (c) 1982, 1986 Regents of the University of California.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* Robert Elz at The University of Melbourne.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* Version: $Id$
|
||||
*/
|
||||
|
||||
#ifndef _SYS_QUOTA_H
|
||||
#define _SYS_QUOTA_H 1
|
||||
|
||||
#include <features.h>
|
||||
#include <sys/types.h>
|
||||
#include <linux/quota.h>
|
||||
|
||||
/*
|
||||
* Convert diskblocks to blocks and the other way around.
|
||||
* currently only to fool the BSD source. :-)
|
||||
*/
|
||||
#define dbtob(num) ((num) << 10)
|
||||
#define btodb(num) ((num) >> 10)
|
||||
|
||||
/*
|
||||
* Convert count of filesystem blocks to diskquota blocks, meant
|
||||
* for filesystems where i_blksize != BLOCK_SIZE
|
||||
*/
|
||||
#define fs_to_dq_blocks(num, blksize) (((num) * (blksize)) / BLOCK_SIZE)
|
||||
|
||||
/*
|
||||
* Definitions for disk quotas imposed on the average user
|
||||
* (big brother finally hits Linux).
|
||||
*
|
||||
* The following constants define the amount of time given a user
|
||||
* before the soft limits are treated as hard limits (usually resulting
|
||||
* in an allocation failure). The timer is started when the user crosses
|
||||
* their soft limit, it is reset when they go below their soft limit.
|
||||
*/
|
||||
#define MAX_IQ_TIME 604800 /* (7*24*60*60) 1 week */
|
||||
#define MAX_DQ_TIME 604800 /* (7*24*60*60) 1 week */
|
||||
|
||||
#define MAXQUOTAS 2
|
||||
#define USRQUOTA 0 /* element used for user quotas */
|
||||
#define GRPQUOTA 1 /* element used for group quotas */
|
||||
|
||||
/*
|
||||
* Definitions for the default names of the quotas files.
|
||||
*/
|
||||
#define INITQFNAMES { \
|
||||
"user", /* USRQUOTA */ \
|
||||
"group", /* GRPQUOTA */ \
|
||||
"undefined", \
|
||||
};
|
||||
|
||||
#define QUOTAFILENAME "quota"
|
||||
#define QUOTAGROUP "staff"
|
||||
|
||||
#define NR_DQHASH 43 /* Just an arbitrary number any suggestions ? */
|
||||
#define NR_DQUOTS 256 /* Number of quotas active at one time */
|
||||
|
||||
/*
|
||||
* Command definitions for the 'quotactl' system call.
|
||||
* The commands are broken into a main command defined below
|
||||
* and a subcommand that is used to convey the type of
|
||||
* quota that is being manipulated (see above).
|
||||
*/
|
||||
#define SUBCMDMASK 0x00ff
|
||||
#define SUBCMDSHIFT 8
|
||||
#define QCMD(cmd, type) (((cmd) << SUBCMDSHIFT) | ((type) & SUBCMDMASK))
|
||||
|
||||
#define Q_QUOTAON 0x0100 /* enable quotas */
|
||||
#define Q_QUOTAOFF 0x0200 /* disable quotas */
|
||||
#define Q_GETQUOTA 0x0300 /* get limits and usage */
|
||||
#define Q_SETQUOTA 0x0400 /* set limits and usage */
|
||||
#define Q_SETUSE 0x0500 /* set usage */
|
||||
#define Q_SYNC 0x0600 /* sync disk copy of a filesystems quotas */
|
||||
#define Q_SETQLIM 0x0700 /* set limits */
|
||||
#define Q_GETSTATS 0x0800 /* get collected stats */
|
||||
|
||||
/*
|
||||
* The following structure defines the format of the disk quota file
|
||||
* (as it appears on disk) - the file is an array of these structures
|
||||
* indexed by user or group number.
|
||||
*/
|
||||
struct dqblk
|
||||
{
|
||||
u_int32_t dqb_bhardlimit; /* absolute limit on disk blks alloc */
|
||||
u_int32_t dqb_bsoftlimit; /* preferred limit on disk blks */
|
||||
u_int32_t dqb_curblocks; /* current block count */
|
||||
u_int32_t dqb_ihardlimit; /* maximum # allocated inodes */
|
||||
u_int32_t dqb_isoftlimit; /* preferred inode limit */
|
||||
u_int32_t dqb_curinodes; /* current # allocated inodes */
|
||||
time_t dqb_btime; /* time limit for excessive disk use */
|
||||
time_t dqb_itime; /* time limit for excessive files */
|
||||
};
|
||||
|
||||
/*
|
||||
* Shorthand notation.
|
||||
*/
|
||||
#define dq_bhardlimit dq_dqb.dqb_bhardlimit
|
||||
#define dq_bsoftlimit dq_dqb.dqb_bsoftlimit
|
||||
#define dq_curblocks dq_dqb.dqb_curblocks
|
||||
#define dq_ihardlimit dq_dqb.dqb_ihardlimit
|
||||
#define dq_isoftlimit dq_dqb.dqb_isoftlimit
|
||||
#define dq_curinodes dq_dqb.dqb_curinodes
|
||||
#define dq_btime dq_dqb.dqb_btime
|
||||
#define dq_itime dq_dqb.dqb_itime
|
||||
|
||||
#define dqoff(UID) ((loff_t)((UID) * sizeof (struct dqblk)))
|
||||
|
||||
struct dqstats
|
||||
{
|
||||
u_int32_t lookups;
|
||||
u_int32_t drops;
|
||||
u_int32_t reads;
|
||||
u_int32_t writes;
|
||||
u_int32_t cache_hits;
|
||||
u_int32_t pages_allocated;
|
||||
u_int32_t allocated_dquots;
|
||||
u_int32_t free_dquots;
|
||||
u_int32_t syncs;
|
||||
};
|
||||
|
||||
__BEGIN_DECLS
|
||||
|
||||
extern int quotactl __P ((int __cmd, const char *__special, int __id,
|
||||
caddr_t __addr));
|
||||
|
||||
__END_DECLS
|
||||
|
||||
#endif /* sys/quota.h */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user