diff options
Diffstat (limited to 'libc/sysdeps/linux/common')
| -rw-r--r-- | libc/sysdeps/linux/common/bits/pthreadtypes.h | 142 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/bits/sigthread.h | 12 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/bits/stab.def | 234 |
3 files changed, 382 insertions, 6 deletions
diff --git a/libc/sysdeps/linux/common/bits/pthreadtypes.h b/libc/sysdeps/linux/common/bits/pthreadtypes.h new file mode 100644 index 000000000..3ee5c4813 --- /dev/null +++ b/libc/sysdeps/linux/common/bits/pthreadtypes.h @@ -0,0 +1,142 @@ +/* Linuxthreads - a simple clone()-based implementation of Posix */ +/* threads for Linux. */ +/* Copyright (C) 1996 Xavier Leroy (Xavier.Leroy@inria.fr) */ +/* */ +/* This program is free software; you can redistribute it and/or */ +/* modify it under the terms of the GNU Library General Public License */ +/* as published by the Free Software Foundation; either version 2 */ +/* of the License, 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 Library General Public License for more details. */ + +#if !defined _BITS_TYPES_H && !defined _PTHREAD_H +# error "Never include <bits/pthreadtypes.h> directly; use <sys/types.h> instead." +#endif + +#ifndef _BITS_PTHREADTYPES_H +#define _BITS_PTHREADTYPES_H 1 + +#define __need_schedparam +#include <bits/sched.h> + +/* Fast locks (not abstract because mutexes and conditions aren't abstract). */ +struct _pthread_fastlock +{ + long int __status; /* "Free" or "taken" or head of waiting list */ + int __spinlock; /* Used by compare_and_swap emulation. Also, + adaptive SMP lock stores spin count here. */ +}; + +#ifndef _PTHREAD_DESCR_DEFINED +/* Thread descriptors */ +typedef struct _pthread_descr_struct *_pthread_descr; +# define _PTHREAD_DESCR_DEFINED +#endif + + +/* Attributes for threads. */ +typedef struct __pthread_attr_s +{ + int __detachstate; + int __schedpolicy; + struct __sched_param __schedparam; + int __inheritsched; + int __scope; + size_t __guardsize; + int __stackaddr_set; + void *__stackaddr; + size_t __stacksize; +} pthread_attr_t; + + +/* Conditions (not abstract because of PTHREAD_COND_INITIALIZER */ +typedef struct +{ + struct _pthread_fastlock __c_lock; /* Protect against concurrent access */ + _pthread_descr __c_waiting; /* Threads waiting on this condition */ +} pthread_cond_t; + + +/* Attribute for conditionally variables. */ +typedef struct +{ + int __dummy; +} pthread_condattr_t; + +/* Keys for thread-specific data */ +typedef unsigned int pthread_key_t; + + +/* Mutexes (not abstract because of PTHREAD_MUTEX_INITIALIZER). */ +/* (The layout is unnatural to maintain binary compatibility + with earlier releases of LinuxThreads.) */ +typedef struct +{ + int __m_reserved; /* Reserved for future use */ + int __m_count; /* Depth of recursive locking */ + _pthread_descr __m_owner; /* Owner thread (if recursive or errcheck) */ + int __m_kind; /* Mutex kind: fast, recursive or errcheck */ + struct _pthread_fastlock __m_lock; /* Underlying fast lock */ +} pthread_mutex_t; + + +/* Attribute for mutex. */ +typedef struct +{ + int __mutexkind; +} pthread_mutexattr_t; + + +/* Once-only execution */ +typedef int pthread_once_t; + + +#ifdef __USE_UNIX98 +/* Read-write locks. */ +typedef struct _pthread_rwlock_t +{ + struct _pthread_fastlock __rw_lock; /* Lock to guarantee mutual exclusion */ + int __rw_readers; /* Number of readers */ + _pthread_descr __rw_writer; /* Identity of writer, or NULL if none */ + _pthread_descr __rw_read_waiting; /* Threads waiting for reading */ + _pthread_descr __rw_write_waiting; /* Threads waiting for writing */ + int __rw_kind; /* Reader/Writer preference selection */ + int __rw_pshared; /* Shared between processes or not */ +} pthread_rwlock_t; + + +/* Attribute for read-write locks. */ +typedef struct +{ + int __lockkind; + int __pshared; +} pthread_rwlockattr_t; +#endif + +#ifdef __USE_XOPEN2K +/* POSIX spinlock data type. */ +typedef volatile int pthread_spinlock_t; + +/* POSIX barrier. */ +typedef struct { + struct _pthread_fastlock __ba_lock; /* Lock to guarantee mutual exclusion */ + int __ba_required; /* Threads needed for completion */ + int __ba_present; /* Threads waiting */ + _pthread_descr __ba_waiting; /* Queue of waiting threads */ +} pthread_barrier_t; + +/* barrier attribute */ +typedef struct { + int __pshared; +} pthread_barrierattr_t; + +#endif + + +/* Thread identifiers */ +typedef unsigned long int pthread_t; + +#endif /* bits/pthreadtypes.h */ diff --git a/libc/sysdeps/linux/common/bits/sigthread.h b/libc/sysdeps/linux/common/bits/sigthread.h index 960bde18a..0a634ac68 100644 --- a/libc/sysdeps/linux/common/bits/sigthread.h +++ b/libc/sysdeps/linux/common/bits/sigthread.h @@ -1,18 +1,18 @@ /* Signal handling function for threaded programs. - Copyright (C) 1998, 1999, 2000, 2002 Free Software Foundation, Inc. + Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public License as - published by the Free Software Foundation; either version 2.1 of the + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. The GNU C Library 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 - Lesser General Public License for more details. + Library General Public License for more details. - You should have received a copy of the GNU Lesser General Public + You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ @@ -33,6 +33,6 @@ extern int pthread_sigmask (int __how, __sigset_t *__restrict __oldmask)__THROW; /* Send signal SIGNO to the given thread. */ -extern int pthread_kill (pthread_t __threadid, int __signo) __THROW; +extern int pthread_kill (pthread_t __thread_id, int __signo) __THROW; #endif /* bits/sigthread.h */ diff --git a/libc/sysdeps/linux/common/bits/stab.def b/libc/sysdeps/linux/common/bits/stab.def new file mode 100644 index 000000000..3d54774cf --- /dev/null +++ b/libc/sysdeps/linux/common/bits/stab.def @@ -0,0 +1,234 @@ +/* Table of DBX symbol codes for the GNU system. + Copyright (C) 1988, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* This contains contribution from Cygnus Support. */ + +/* Global variable. Only the name is significant. + To find the address, look in the corresponding external symbol. */ +__define_stab (N_GSYM, 0x20, "GSYM") + +/* Function name for BSD Fortran. Only the name is significant. + To find the address, look in the corresponding external symbol. */ +__define_stab (N_FNAME, 0x22, "FNAME") + +/* Function name or text-segment variable for C. Value is its address. + Desc is supposedly starting line number, but GCC doesn't set it + and DBX seems not to miss it. */ +__define_stab (N_FUN, 0x24, "FUN") + +/* Data-segment variable with internal linkage. Value is its address. + "Static Sym". */ +__define_stab (N_STSYM, 0x26, "STSYM") + +/* BSS-segment variable with internal linkage. Value is its address. */ +__define_stab (N_LCSYM, 0x28, "LCSYM") + +/* Name of main routine. Only the name is significant. + This is not used in C. */ +__define_stab (N_MAIN, 0x2a, "MAIN") + +/* Global symbol in Pascal. + Supposedly the value is its line number; I'm skeptical. */ +__define_stab (N_PC, 0x30, "PC") + +/* Number of symbols: 0, files,,funcs,lines according to Ultrix V4.0. */ +__define_stab (N_NSYMS, 0x32, "NSYMS") + +/* "No DST map for sym: name, ,0,type,ignored" according to Ultrix V4.0. */ +__define_stab (N_NOMAP, 0x34, "NOMAP") + +/* New stab from Solaris. I don't know what it means, but it + don't seem to contain useful information. */ +__define_stab (N_OBJ, 0x38, "OBJ") + +/* New stab from Solaris. I don't know what it means, but it + don't seem to contain useful information. Possibly related to the + optimization flags used in this module. */ +__define_stab (N_OPT, 0x3c, "OPT") + +/* Register variable. Value is number of register. */ +__define_stab (N_RSYM, 0x40, "RSYM") + +/* Modula-2 compilation unit. Can someone say what info it contains? */ +__define_stab (N_M2C, 0x42, "M2C") + +/* Line number in text segment. Desc is the line number; + value is corresponding address. */ +__define_stab (N_SLINE, 0x44, "SLINE") + +/* Similar, for data segment. */ +__define_stab (N_DSLINE, 0x46, "DSLINE") + +/* Similar, for bss segment. */ +__define_stab (N_BSLINE, 0x48, "BSLINE") + +/* Sun's source-code browser stabs. ?? Don't know what the fields are. + Supposedly the field is "path to associated .cb file". THIS VALUE + OVERLAPS WITH N_BSLINE! */ +__define_stab (N_BROWS, 0x48, "BROWS") + +/* GNU Modula-2 definition module dependency. Value is the modification time + of the definition file. Other is non-zero if it is imported with the + GNU M2 keyword %INITIALIZE. Perhaps N_M2C can be used if there + are enough empty fields? */ +__define_stab(N_DEFD, 0x4a, "DEFD") + +/* THE FOLLOWING TWO STAB VALUES CONFLICT. Happily, one is for Modula-2 + and one is for C++. Still,... */ +/* GNU C++ exception variable. Name is variable name. */ +__define_stab (N_EHDECL, 0x50, "EHDECL") +/* Modula2 info "for imc": name,,0,0,0 according to Ultrix V4.0. */ +__define_stab (N_MOD2, 0x50, "MOD2") + +/* GNU C++ `catch' clause. Value is its address. Desc is nonzero if + this entry is immediately followed by a CAUGHT stab saying what exception + was caught. Multiple CAUGHT stabs means that multiple exceptions + can be caught here. If Desc is 0, it means all exceptions are caught + here. */ +__define_stab (N_CATCH, 0x54, "CATCH") + +/* Structure or union element. Value is offset in the structure. */ +__define_stab (N_SSYM, 0x60, "SSYM") + +/* Name of main source file. + Value is starting text address of the compilation. */ +__define_stab (N_SO, 0x64, "SO") + +/* Automatic variable in the stack. Value is offset from frame pointer. + Also used for type descriptions. */ +__define_stab (N_LSYM, 0x80, "LSYM") + +/* Beginning of an include file. Only Sun uses this. + In an object file, only the name is significant. + The Sun linker puts data into some of the other fields. */ +__define_stab (N_BINCL, 0x82, "BINCL") + +/* Name of sub-source file (#include file). + Value is starting text address of the compilation. */ +__define_stab (N_SOL, 0x84, "SOL") + +/* Parameter variable. Value is offset from argument pointer. + (On most machines the argument pointer is the same as the frame pointer. */ +__define_stab (N_PSYM, 0xa0, "PSYM") + +/* End of an include file. No name. + This and N_BINCL act as brackets around the file's output. + In an object file, there is no significant data in this entry. + The Sun linker puts data into some of the fields. */ +__define_stab (N_EINCL, 0xa2, "EINCL") + +/* Alternate entry point. Value is its address. */ +__define_stab (N_ENTRY, 0xa4, "ENTRY") + +/* Beginning of lexical block. + The desc is the nesting level in lexical blocks. + The value is the address of the start of the text for the block. + The variables declared inside the block *precede* the N_LBRAC symbol. */ +__define_stab (N_LBRAC, 0xc0, "LBRAC") + +/* Place holder for deleted include file. Replaces a N_BINCL and everything + up to the corresponding N_EINCL. The Sun linker generates these when + it finds multiple identical copies of the symbols from an include file. + This appears only in output from the Sun linker. */ +__define_stab (N_EXCL, 0xc2, "EXCL") + +/* Modula-2 scope information. Can someone say what info it contains? */ +__define_stab (N_SCOPE, 0xc4, "SCOPE") + +/* End of a lexical block. Desc matches the N_LBRAC's desc. + The value is the address of the end of the text for the block. */ +__define_stab (N_RBRAC, 0xe0, "RBRAC") + +/* Begin named common block. Only the name is significant. */ +__define_stab (N_BCOMM, 0xe2, "BCOMM") + +/* End named common block. Only the name is significant + (and it should match the N_BCOMM). */ +__define_stab (N_ECOMM, 0xe4, "ECOMM") + +/* End common (local name): value is address. + I'm not sure how this is used. */ +__define_stab (N_ECOML, 0xe8, "ECOML") + +/* These STAB's are used on Gould systems for Non-Base register symbols + or something like that. FIXME. I have assigned the values at random + since I don't have a Gould here. Fixups from Gould folk welcome... */ +__define_stab (N_NBTEXT, 0xF0, "NBTEXT") +__define_stab (N_NBDATA, 0xF2, "NBDATA") +__define_stab (N_NBBSS, 0xF4, "NBBSS") +__define_stab (N_NBSTS, 0xF6, "NBSTS") +__define_stab (N_NBLCS, 0xF8, "NBLCS") + +/* Second symbol entry containing a length-value for the preceding entry. + The value is the length. */ +__define_stab (N_LENG, 0xfe, "LENG") + +/* The above information, in matrix format. + + STAB MATRIX + _________________________________________________ + | 00 - 1F are not dbx stab symbols | + | In most cases, the low bit is the EXTernal bit| + + | 00 UNDEF | 02 ABS | 04 TEXT | 06 DATA | + | 01 |EXT | 03 |EXT | 05 |EXT | 07 |EXT | + + | 08 BSS | 0A INDR | 0C FN_SEQ | 0E | + | 09 |EXT | 0B | 0D | 0F | + + | 10 | 12 COMM | 14 SETA | 16 SETT | + | 11 | 13 | 15 | 17 | + + | 18 SETD | 1A SETB | 1C SETV | 1E WARNING| + | 19 | 1B | 1D | 1F FN | + + |_______________________________________________| + | Debug entries with bit 01 set are unused. | + | 20 GSYM | 22 FNAME | 24 FUN | 26 STSYM | + | 28 LCSYM | 2A MAIN | 2C | 2E | + | 30 PC | 32 NSYMS | 34 NOMAP | 36 | + | 38 OBJ | 3A | 3C OPT | 3E | + | 40 RSYM | 42 M2C | 44 SLINE | 46 DSLINE | + | 48 BSLINE*| 4A DEFD | 4C | 4E | + | 50 EHDECL*| 52 | 54 CATCH | 56 | + | 58 | 5A | 5C | 5E | + | 60 SSYM | 62 | 64 SO | 66 | + | 68 | 6A | 6C | 6E | + | 70 | 72 | 74 | 76 | + | 78 | 7A | 7C | 7E | + | 80 LSYM | 82 BINCL | 84 SOL | 86 | + | 88 | 8A | 8C | 8E | + | 90 | 92 | 94 | 96 | + | 98 | 9A | 9C | 9E | + | A0 PSYM | A2 EINCL | A4 ENTRY | A6 | + | A8 | AA | AC | AE | + | B0 | B2 | B4 | B6 | + | B8 | BA | BC | BE | + | C0 LBRAC | C2 EXCL | C4 SCOPE | C6 | + | C8 | CA | CC | CE | + | D0 | D2 | D4 | D6 | + | D8 | DA | DC | DE | + | E0 RBRAC | E2 BCOMM | E4 ECOMM | E6 | + | E8 ECOML | EA | EC | EE | + | F0 | F2 | F4 | F6 | + | F8 | FA | FC | FE LENG | + +-----------------------------------------------+ + * 50 EHDECL is also MOD2. + * 48 BSLINE is also BROWS. + */ |