diff options
Diffstat (limited to 'stdio-common')
| -rw-r--r-- | stdio-common/Makefile | 5 | ||||
| -rw-r--r-- | stdio-common/Versions | 3 | ||||
| -rw-r--r-- | stdio-common/psiginfo-data.h | 50 | ||||
| -rw-r--r-- | stdio-common/psiginfo-define.h | 15 | ||||
| -rw-r--r-- | stdio-common/psiginfo.c | 178 |
5 files changed, 249 insertions, 2 deletions
diff --git a/stdio-common/Makefile b/stdio-common/Makefile index 944270dafe..6d0b8ab9e1 100644 --- a/stdio-common/Makefile +++ b/stdio-common/Makefile @@ -1,4 +1,4 @@ -# Copyright (C) 1991-2006, 2007, 2008 Free Software Foundation, Inc. +# Copyright (C) 1991-2006, 2007, 2008, 2009 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 @@ -36,7 +36,8 @@ routines := \ remove rename renameat \ flockfile ftrylockfile funlockfile \ isoc99_scanf isoc99_vscanf isoc99_fscanf isoc99_vfscanf isoc99_sscanf \ - isoc99_vsscanf + isoc99_vsscanf \ + psiginfo install-others = $(inst_includedir)/bits/stdio_lim.h diff --git a/stdio-common/Versions b/stdio-common/Versions index 1501fa2ffd..af693fff52 100644 --- a/stdio-common/Versions +++ b/stdio-common/Versions @@ -53,6 +53,9 @@ libc { __isoc99_scanf; __isoc99_vscanf; __isoc99_fscanf; __isoc99_vfscanf; __isoc99_sscanf; __isoc99_vsscanf; } + GLIBC_2.10 { + psiginfo; + } GLIBC_PRIVATE { # global variables _itoa_lower_digits; diff --git a/stdio-common/psiginfo-data.h b/stdio-common/psiginfo-data.h new file mode 100644 index 0000000000..02ebf8af29 --- /dev/null +++ b/stdio-common/psiginfo-data.h @@ -0,0 +1,50 @@ +#if NOW == SIGILL +P (ILL_ILLOPC, N_("Illegal opcode")) +P (ILL_ILLOPN, N_("Illegal operand")) +P (ILL_ILLADR, N_("Illegal addressing mode")) +P (ILL_ILLTRP, N_("Illegal trap")) +P (ILL_PRVOPC, N_("Privileged opcode")) +P (ILL_PRVREG, N_("Privileged register")) +P (ILL_COPROC, N_("Coprocessor error")) +P (ILL_BADSTK, N_("Internal stack error")) +#endif +#if NOW == SIGFPE +P (FPE_INTDIV, N_("Integer divide by zero")) +P (FPE_INTOVF, N_("Integer overflow")) +P (FPE_FLTDIV, N_("Floating-point divide by zero")) +P (FPE_FLTOVF, N_("Floating-point overflow")) +P (FPE_FLTUND, N_("Floating-point underflow")) +P (FPE_FLTRES, N_("Floating-poing inexact result")) +P (FPE_FLTINV, N_("Invalid floating-point operation")) +P (FPE_FLTSUB, N_("Subscript out of range")) +#endif +#if NOW == SIGSEGV +P (SEGV_MAPERR, N_("Address not mapped to object")) +P (SEGV_ACCERR, N_("Invalid permissions for mapped object")) +#endif +#if NOW == SIGBUS +P (BUS_ADRALN, N_("Invalid address alignment")) +P (BUS_ADRERR, N_("Nonexisting physical address")) +P (BUS_OBJERR, N_("Object-specific hardware error")) +#endif +#if NOW == SIGTRAP +P (TRAP_BRKPT, N_("Process breakpoint")) +P (TRAP_TRACE, N_("Process trace trap")) +#endif +#if NOW == SIGCLD +P (CLD_EXITED, N_("Child has exited")) +P (CLD_KILLED, N_("Child has terminated abnormally and did not create a core file")) +P (CLD_DUMPED, N_("Child hat terminated abnormally and created a core file")) +P (CLD_TRAPPED, N_("Traced child has trapped")) +P (CLD_STOPPED, N_("Child has stopped")) +P (CLD_CONTINUED, N_("Stopped child has continued")) +#endif +#if NOW == SIGPOLL +P (POLL_IN, N_("Data input available")) +P (POLL_OUT, N_("Output buffers available")) +P (POLL_MSG, N_("Input message available")) +P (POLL_ERR, N_("I/O error")) +P (POLL_PRI, N_("High priority input available")) +P (POLL_HUP, N_("Device disconnected")) +#endif +#undef P diff --git a/stdio-common/psiginfo-define.h b/stdio-common/psiginfo-define.h new file mode 100644 index 0000000000..e1d1a351f8 --- /dev/null +++ b/stdio-common/psiginfo-define.h @@ -0,0 +1,15 @@ +static const union C(codestrs_t_, NOW) { + struct { +#define P(n, s) char MF(__LINE__)[sizeof (s)]; +#include "psiginfo-data.h" + }; + char str[0]; +} C(codestrs_, NOW) = { { +#define P(n, s) s, +#include "psiginfo-data.h" + } }; +static const uint8_t C(codes_, NOW)[] = { +#define P(n, s) [(n) - 1] = offsetof (union C(codestrs_t_, NOW), MF(__LINE__)), +#include "psiginfo-data.h" +}; +#undef NOW diff --git a/stdio-common/psiginfo.c b/stdio-common/psiginfo.c new file mode 100644 index 0000000000..e5d06a23ab --- /dev/null +++ b/stdio-common/psiginfo.c @@ -0,0 +1,178 @@ +/* Copyright (C) 2009 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. */ + +#include <libintl.h> +#include <signal.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <not-cancel.h> + + +#define MF(l) MF1 (l) +#define MF1(l) str_##l +#define C(s1, s2) C1 (s1, s2) +#define C1(s1, s2) s1##s2 + +#define NOW SIGILL +#include "psiginfo-define.h" + +#define NOW SIGFPE +#include "psiginfo-define.h" + +#define NOW SIGSEGV +#include "psiginfo-define.h" + +#define NOW SIGBUS +#include "psiginfo-define.h" + +#define NOW SIGTRAP +#include "psiginfo-define.h" + +#define NOW SIGCLD +#include "psiginfo-define.h" + +#define NOW SIGPOLL +#include "psiginfo-define.h" + + +/* Print out on stderr a line consisting of the test in S, a colon, a space, + a message describing the meaning of the signal number PINFO and a newline. + If S is NULL or "", the colon and space are omitted. */ +void +psiginfo (const siginfo_t *pinfo, const char *s) +{ + char buf[512]; + FILE *fp = fmemopen (buf, sizeof (buf), "w"); + if (fp == NULL) + { + const char *colon; + + if (s == NULL || *s == '\0') + s = colon = ""; + else + colon = ": "; + + __fxprintf (NULL, "%s%ssignal %d\n", s, colon, pinfo->si_signo); + return; + } + + if (s != NULL && *s != '\0') + fprintf (fp, "%s: ", s); + + const char *desc; + if (pinfo->si_signo >= 0 && pinfo->si_signo < NSIG + && (desc = INTUSE(_sys_siglist)[pinfo->si_signo]) != NULL) + { + fprintf (fp, "%s (", _(desc)); + + const char *base = NULL; + const uint8_t *offarr = NULL; + size_t offarr_len = 0; + switch (pinfo->si_signo) + { +#define H(sig) \ + case sig: \ + base = C(codestrs_, sig).str; \ + offarr = C (codes_, sig); \ + offarr_len = sizeof (C (codes_, sig)) / sizeof (C (codes_, sig)[0]);\ + break + + H (SIGILL); + H (SIGFPE); + H (SIGSEGV); + H (SIGBUS); + H (SIGTRAP); + H (SIGCHLD); + H (SIGPOLL); + } + + const char *str = NULL; + if (offarr != NULL + && pinfo->si_code >= 1 && pinfo->si_code <= offarr_len) + str = base + offarr[pinfo->si_code - 1]; + else + switch (pinfo->si_code) + { + case SI_USER: + str = N_("Signal sent by kill()"); + break; + case SI_QUEUE: + str = N_("Signal sent by sigqueue()"); + break; + case SI_TIMER: + str = N_("Signal generated by the expiration of a timer"); + break; + case SI_ASYNCIO: + str = N_("\ +Signal generated by the completion of an asynchronous I/O request"); + break; + case SI_MESGQ: + str = N_("\ +Signal generated by the arrival of a message on an empty message queue"); + break; +#ifdef SI_TKILL + case SI_TKILL: + str = N_("Signal sent by tkill()"); + break; +#endif +#ifdef SI_ASYNCNL + case SI_ASYNCNL: + str = N_("\ +Signal generated by the completion of an asynchronous name lookup request"); + break; +#endif +#ifdef SI_SIGIO + case SI_SIGIO: + str = N_("\ +Signal generated by the completion of an I/O request"); + break; +#endif +#ifdef SI_KERNEL + case SI_KERNEL: + str = N_("Signal sent by the kernel"); + break; +#endif + } + + if (str != NULL) + fprintf (fp, "%s ", _(str)); + else + fprintf (fp, "%d ", pinfo->si_code); + + if (pinfo->si_signo == SIGILL || pinfo->si_signo == SIGFPE + || pinfo->si_signo == SIGSEGV || pinfo->si_signo == SIGBUS) + fprintf (fp, "[%p])", pinfo->si_addr); + else if (pinfo->si_signo == SIGCHLD) + fprintf (fp, "%ld %d %ld)", (long int) pinfo->si_pid, pinfo->si_status, + (long int) pinfo->si_uid); + else if (pinfo->si_signo == SIGPOLL) + fprintf (fp, "%ld)", pinfo->si_band); + else + fprintf (fp, "%ld %ld)", + (long int) pinfo->si_pid, (long int) pinfo->si_uid); + } + else + fprintf (fp, _("Unknown signal %d\n"), pinfo->si_signo); + + fclose (fp); + + write_not_cancel (STDERR_FILENO, buf, strlen (buf)); +} |