Welcome to mirror list, hosted at ThFree Co, Russian Federation.

cygwin.com/git/newlib-cygwin.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
path: root/winsup/cygwin/exceptions.cc
diff options
context:
space:
mode:
authorcvs2svn <>2013-06-05 11:57:40 +0400
committercvs2svn <>2013-06-05 11:57:40 +0400
commit310a2eeef1d094d59ea9897be0ddb1b33869b885 (patch)
tree6c061f692be2a0be45d81351d4b9dfc06ec9fe9c /winsup/cygwin/exceptions.cc
parentc82eac05c783fa1cb82eac9216dab1ed8aa482ae (diff)
This commit was manufactured by cvs2svn to create tag 'cygwin-cygwin-1_7_19-release
1_7_19-release'. Sprout from cygwin-64bit-premerge-branch 2013-04-22 17:11:23 UTC cvs2svn 'This commit was manufactured by cvs2svn to create branch 'cygwin-64bit-' Cherrypick from master 2013-06-05 07:57:39 UTC Corinna Vinschen <corinna@vinschen.de> ' * faq-programming.xml: Convert url to refer to new flat faq.html file.': COPYING.NEWLIB ChangeLog config.guess config.sub config/ChangeLog config/bootstrap-asan.mk config/dfp.m4 config/picflag.m4 include/ChangeLog include/elf/ChangeLog include/elf/aarch64.h include/elf/common.h include/elf/mips.h include/elf/msp430.h include/opcode/ChangeLog include/opcode/avr.h include/opcode/mips.h include/opcode/msp430.h newlib/ChangeLog newlib/MAINTAINERS newlib/configure newlib/configure.host newlib/configure.in newlib/libc/configure newlib/libc/configure.in newlib/libc/ctype/ctype_.c newlib/libc/ctype/isalnum.c newlib/libc/ctype/isalpha.c newlib/libc/ctype/isblank.c newlib/libc/ctype/iscntrl.c newlib/libc/ctype/isdigit.c newlib/libc/ctype/islower.c newlib/libc/ctype/isprint.c newlib/libc/ctype/ispunct.c newlib/libc/ctype/isxdigit.c newlib/libc/include/machine/ieeefp.h newlib/libc/include/machine/setjmp.h newlib/libc/include/reent.h newlib/libc/include/sys/cdefs.h newlib/libc/include/sys/config.h newlib/libc/include/sys/features.h newlib/libc/include/sys/reent.h newlib/libc/include/sys/stat.h newlib/libc/libc.texinfo newlib/libc/machine/arm/Makefile.am newlib/libc/machine/arm/Makefile.in newlib/libc/machine/arm/memcpy-armv7a.S newlib/libc/machine/arm/memcpy-armv7m.S newlib/libc/machine/arm/memcpy-stub.c newlib/libc/machine/arm/memcpy.S newlib/libc/machine/arm/strcmp.S newlib/libc/machine/configure newlib/libc/machine/configure.in newlib/libc/machine/powerpc/Makefile.am newlib/libc/machine/powerpc/Makefile.in newlib/libc/reent/reent.c newlib/libc/stdio/fgetc.c newlib/libc/stdio/fgetwc.c newlib/libc/stdio/fgetws.c newlib/libc/stdio/findfp.c newlib/libc/stdio/fputc.c newlib/libc/stdio/fputwc.c newlib/libc/stdio/fputws.c newlib/libc/stdio/getc.c newlib/libc/stdio/getchar.c newlib/libc/stdio/local.h newlib/libc/stdio/putc.c newlib/libc/stdio/putchar.c newlib/libc/stdio/scanf.c newlib/libc/stdio/setvbuf.c newlib/libc/stdio/ungetwc.c newlib/libc/stdio/vfscanf.c newlib/libc/stdio/vfwscanf.c newlib/libc/stdio/viprintf.c newlib/libc/stdio/viscanf.c newlib/libc/stdio/vprintf.c newlib/libc/stdio/vscanf.c newlib/libc/stdio/vwprintf.c newlib/libc/stdio/vwscanf.c newlib/libc/stdio/wscanf.c newlib/libc/stdlib/Makefile.am newlib/libc/stdlib/Makefile.in newlib/libc/stdlib/__atexit.c newlib/libc/stdlib/__call_atexit.c newlib/libc/stdlib/ecvtbuf.c newlib/libc/stdlib/mblen.c newlib/libc/stdlib/mbrlen.c newlib/libc/stdlib/mbrtowc.c newlib/libc/stdlib/mbtowc.c newlib/libc/stdlib/nano-mallocr.c newlib/libc/stdlib/rand.c newlib/libc/stdlib/strtod.c newlib/libc/stdlib/wcrtomb.c newlib/libc/stdlib/wctob.c newlib/libc/stdlib/wctomb.c newlib/libc/string/strtok.c newlib/libc/time/asctime.c newlib/libc/time/gmtime.c newlib/libc/time/lcltime.c newlib/libm/libm.texinfo winsup/cygserver/ChangeLog winsup/cygserver/ChangeLog.64bit winsup/cygserver/Makefile.in winsup/cygserver/bsd_helper.cc winsup/cygserver/bsd_helper.h winsup/cygserver/bsd_log.cc winsup/cygserver/bsd_log.h winsup/cygserver/bsd_mutex.cc winsup/cygserver/client.cc winsup/cygserver/cygserver.cc winsup/cygserver/msg.cc winsup/cygserver/process.h winsup/cygserver/sem.cc winsup/cygserver/shm.cc winsup/cygserver/sysv_shm.cc winsup/cygserver/threaded_queue.h winsup/cygwin/ChangeLog winsup/cygwin/ChangeLog.64bit winsup/cygwin/Makefile.in winsup/cygwin/aclocal.m4 winsup/cygwin/advapi32.cc winsup/cygwin/autoload.cc winsup/cygwin/automode.c winsup/cygwin/binmode.c winsup/cygwin/child_info.h winsup/cygwin/common.din winsup/cygwin/configure winsup/cygwin/configure.ac winsup/cygwin/cpuid.h winsup/cygwin/cygerrno.h winsup/cygwin/cygheap.cc winsup/cygwin/cygheap.h winsup/cygwin/cygmagic winsup/cygwin/cygmalloc.h winsup/cygwin/cygserver.h winsup/cygwin/cygserver_ipc.h winsup/cygwin/cygthread.cc winsup/cygwin/cygtls.cc winsup/cygwin/cygtls.h winsup/cygwin/cygwin.sc.in winsup/cygwin/dcrt0.cc winsup/cygwin/debug.h winsup/cygwin/devices.cc winsup/cygwin/devices.h winsup/cygwin/devices.in winsup/cygwin/dir.cc winsup/cygwin/dlfcn.cc winsup/cygwin/dll_init.cc winsup/cygwin/dll_init.h winsup/cygwin/dtable.cc winsup/cygwin/environ.cc winsup/cygwin/environ.h winsup/cygwin/errno.cc winsup/cygwin/exception.h winsup/cygwin/exceptions.cc winsup/cygwin/external.cc winsup/cygwin/fcntl.cc winsup/cygwin/fenv.cc winsup/cygwin/fhandler.cc winsup/cygwin/fhandler.h winsup/cygwin/fhandler_clipboard.cc winsup/cygwin/fhandler_console.cc winsup/cygwin/fhandler_dev.cc winsup/cygwin/fhandler_disk_file.cc winsup/cygwin/fhandler_dsp.cc winsup/cygwin/fhandler_fifo.cc winsup/cygwin/fhandler_floppy.cc winsup/cygwin/fhandler_mailslot.cc winsup/cygwin/fhandler_mem.cc winsup/cygwin/fhandler_netdrive.cc winsup/cygwin/fhandler_proc.cc winsup/cygwin/fhandler_process.cc winsup/cygwin/fhandler_procnet.cc winsup/cygwin/fhandler_procsys.cc winsup/cygwin/fhandler_procsysvipc.cc winsup/cygwin/fhandler_random.cc winsup/cygwin/fhandler_raw.cc winsup/cygwin/fhandler_registry.cc winsup/cygwin/fhandler_serial.cc winsup/cygwin/fhandler_socket.cc winsup/cygwin/fhandler_tape.cc winsup/cygwin/fhandler_termios.cc winsup/cygwin/fhandler_tty.cc winsup/cygwin/fhandler_virtual.cc winsup/cygwin/fhandler_virtual.h winsup/cygwin/fhandler_windows.cc winsup/cygwin/fhandler_zero.cc winsup/cygwin/flock.cc winsup/cygwin/fork.cc winsup/cygwin/gendef winsup/cygwin/gentls_offsets winsup/cygwin/glob.cc winsup/cygwin/globals.cc winsup/cygwin/grp.cc winsup/cygwin/heap.cc winsup/cygwin/hookapi.cc winsup/cygwin/i686.din winsup/cygwin/include/a.out.h winsup/cygwin/include/asm/byteorder.h winsup/cygwin/include/bits/wordsize.h winsup/cygwin/include/cygwin/acl.h winsup/cygwin/include/cygwin/config.h winsup/cygwin/include/cygwin/cygwin_dll.h winsup/cygwin/include/cygwin/grp.h winsup/cygwin/include/cygwin/if.h winsup/cygwin/include/cygwin/ipc.h winsup/cygwin/include/cygwin/msg.h winsup/cygwin/include/cygwin/sem.h winsup/cygwin/include/cygwin/shm.h winsup/cygwin/include/cygwin/signal.h winsup/cygwin/include/cygwin/socket.h winsup/cygwin/include/cygwin/stat.h winsup/cygwin/include/cygwin/stdlib.h winsup/cygwin/include/cygwin/sysproto.h winsup/cygwin/include/cygwin/time.h winsup/cygwin/include/cygwin/types.h winsup/cygwin/include/cygwin/version.h winsup/cygwin/include/fcntl.h winsup/cygwin/include/fts.h winsup/cygwin/include/ftw.h winsup/cygwin/include/glob.h winsup/cygwin/include/inttypes.h winsup/cygwin/include/io.h winsup/cygwin/include/limits.h winsup/cygwin/include/mntent.h winsup/cygwin/include/stdint.h winsup/cygwin/include/sys/cygwin.h winsup/cygwin/include/sys/dirent.h winsup/cygwin/include/sys/resource.h winsup/cygwin/include/sys/socket.h winsup/cygwin/include/sys/strace.h winsup/cygwin/init.cc winsup/cygwin/ioctl.cc winsup/cygwin/ipc.cc winsup/cygwin/kernel32.cc winsup/cygwin/lc_msg.h winsup/cygwin/lib/_cygwin_crt0_common.cc winsup/cygwin/lib/crt0.h winsup/cygwin/lib/cygwin_attach_dll.c winsup/cygwin/lib/premain0.c winsup/cygwin/lib/premain1.c winsup/cygwin/lib/premain2.c winsup/cygwin/lib/premain3.c winsup/cygwin/libc/arc4random.cc winsup/cygwin/libc/base64.c winsup/cygwin/libc/bsdlib.cc winsup/cygwin/libc/fts.c winsup/cygwin/libc/ftw.c winsup/cygwin/libc/inet_network.c winsup/cygwin/libc/minires-os-if.c winsup/cygwin/libc/minires.c winsup/cygwin/libc/nftw.c winsup/cygwin/libc/rcmd.cc winsup/cygwin/libc/rexec.cc winsup/cygwin/libstdcxx_wrapper.cc winsup/cygwin/localtime.cc winsup/cygwin/malloc_wrapper.cc winsup/cygwin/miscfuncs.cc winsup/cygwin/mkimport winsup/cygwin/mktemp.cc winsup/cygwin/mmap.cc winsup/cygwin/mount.cc winsup/cygwin/mount.h winsup/cygwin/msg.cc winsup/cygwin/mtinfo.h winsup/cygwin/net.cc winsup/cygwin/netdb.cc winsup/cygwin/nfs.h winsup/cygwin/nlsfuncs.cc winsup/cygwin/ntdll.h winsup/cygwin/ntea.cc winsup/cygwin/passwd.cc winsup/cygwin/path.cc winsup/cygwin/path.h winsup/cygwin/perprocess.h winsup/cygwin/pinfo.cc winsup/cygwin/pinfo.h winsup/cygwin/pipe.cc winsup/cygwin/poll.cc winsup/cygwin/posix.sgml winsup/cygwin/posix_ipc.cc winsup/cygwin/profil.c winsup/cygwin/profil.h winsup/cygwin/pseudo-reloc.cc winsup/cygwin/pwdgrp.h winsup/cygwin/regex/engine.c winsup/cygwin/regex/regcomp.c winsup/cygwin/registry.cc winsup/cygwin/regparm.h winsup/cygwin/release/1.7.19 winsup/cygwin/resource.cc winsup/cygwin/sched.cc winsup/cygwin/sec_acl.cc winsup/cygwin/sec_auth.cc winsup/cygwin/sec_helper.cc winsup/cygwin/security.cc winsup/cygwin/security.h winsup/cygwin/select.cc winsup/cygwin/select.h winsup/cygwin/sem.cc winsup/cygwin/shared.cc winsup/cygwin/shared_info.h winsup/cygwin/shm.cc winsup/cygwin/signal.cc winsup/cygwin/sigproc.cc winsup/cygwin/sigproc.h winsup/cygwin/smallprint.cc winsup/cygwin/spawn.cc winsup/cygwin/speclib winsup/cygwin/spinlock.h winsup/cygwin/strace.cc winsup/cygwin/strfuncs.cc winsup/cygwin/strsig.cc winsup/cygwin/sync.cc winsup/cygwin/sync.h winsup/cygwin/syscalls.cc winsup/cygwin/sysconf.cc winsup/cygwin/syslog.cc winsup/cygwin/termios.cc winsup/cygwin/textmode.c winsup/cygwin/textreadmode.c winsup/cygwin/thread.cc winsup/cygwin/thread.h winsup/cygwin/timer.cc winsup/cygwin/times.cc winsup/cygwin/tlsoffsets.h winsup/cygwin/tlsoffsets64.h winsup/cygwin/tty.cc winsup/cygwin/tty.h winsup/cygwin/uinfo.cc winsup/cygwin/wait.cc winsup/cygwin/winbase.h winsup/cygwin/wincap.cc winsup/cygwin/wincap.h winsup/cygwin/window.cc winsup/cygwin/winlean.h winsup/cygwin/winsup.h winsup/cygwin/wow64.cc winsup/cygwin/wow64.h winsup/cygwin/x86_64.din winsup/doc/.cvsignore winsup/doc/ChangeLog winsup/doc/Makefile.in winsup/doc/Wishlist winsup/doc/bodysnatcher.pl winsup/doc/configure winsup/doc/configure.ac winsup/doc/cygserver.xml winsup/doc/cygwin-api.in.xml winsup/doc/cygwin-ug-net.xml winsup/doc/cygwin.xsl winsup/doc/cygwinenv.xml winsup/doc/dll.xml winsup/doc/effectively.xml winsup/doc/faq-api.xml winsup/doc/faq-copyright.xml winsup/doc/faq-programming.xml winsup/doc/faq-resources.xml winsup/doc/faq-setup.xml winsup/doc/faq-using.xml winsup/doc/faq-what.xml winsup/doc/faq.xml winsup/doc/filemodes.xml winsup/doc/gcc.xml winsup/doc/gdb.xml winsup/doc/highlights.xml winsup/doc/legal.xml winsup/doc/new-features.xml winsup/doc/ntsec.xml winsup/doc/ov-ex-unix.xml winsup/doc/ov-ex-win.xml winsup/doc/overview.xml winsup/doc/pathnames.xml winsup/doc/programming.xml winsup/doc/setup-env.xml winsup/doc/setup-files.xml winsup/doc/setup-locale.xml winsup/doc/setup-maxmem.xml winsup/doc/setup-net.xml winsup/doc/specialnames.xml winsup/doc/textbinary.xml winsup/doc/ug-info.xml winsup/doc/using.xml winsup/doc/windres.xml winsup/doc/xidepend winsup/lsaauth/ChangeLog winsup/lsaauth/ChangeLog.64bit winsup/lsaauth/Makefile.in winsup/lsaauth/configure winsup/lsaauth/configure.ac winsup/utils/ChangeLog winsup/utils/ChangeLog.64bit winsup/utils/Makefile.in winsup/utils/aclocal.m4 winsup/utils/configure winsup/utils/cygcheck.cc winsup/utils/dumper.cc winsup/utils/dumper.h winsup/utils/kill.cc winsup/utils/ldd.cc winsup/utils/locale.cc winsup/utils/mkgroup.c winsup/utils/mkpasswd.c winsup/utils/module_info.cc winsup/utils/mount.cc winsup/utils/parse_pe.cc winsup/utils/passwd.c winsup/utils/path.cc winsup/utils/ps.cc winsup/utils/regtool.cc winsup/utils/ssp.c winsup/utils/strace.cc winsup/utils/tzset.c winsup/utils/utils.xml Delete: COPYING3 COPYING3.LIB config.rpath configure.ac ltgcc.m4 newlib/libc/machine/aarch64/Makefile.am newlib/libc/machine/aarch64/Makefile.in newlib/libc/machine/aarch64/aclocal.m4 newlib/libc/machine/aarch64/configure newlib/libc/machine/aarch64/configure.in newlib/libc/machine/aarch64/memcmp-stub.c newlib/libc/machine/aarch64/memcmp.S newlib/libc/machine/aarch64/memcpy-stub.c newlib/libc/machine/aarch64/memcpy.S newlib/libc/machine/aarch64/memmove-stub.c newlib/libc/machine/aarch64/memmove.S newlib/libc/machine/aarch64/memset-stub.c newlib/libc/machine/aarch64/memset.S newlib/libc/machine/aarch64/setjmp.S newlib/libc/machine/aarch64/strcmp-stub.c newlib/libc/machine/aarch64/strcmp.S newlib/libc/machine/aarch64/strlen-stub.c newlib/libc/machine/aarch64/strlen.S newlib/libc/machine/aarch64/strncmp-stub.c newlib/libc/machine/aarch64/strncmp.S newlib/libc/machine/aarch64/strnlen-stub.c newlib/libc/machine/aarch64/strnlen.S newlib/libc/machine/epiphany/Makefile.am newlib/libc/machine/epiphany/Makefile.in newlib/libc/machine/epiphany/aclocal.m4 newlib/libc/machine/epiphany/configure newlib/libc/machine/epiphany/configure.in newlib/libc/machine/epiphany/machine/stdlib.h newlib/libc/machine/epiphany/setjmp.S newlib/libc/machine/powerpc/times.c newlib/libc/sys/epiphany/Makefile.am newlib/libc/sys/epiphany/Makefile.in newlib/libc/sys/epiphany/aclocal.m4 newlib/libc/sys/epiphany/configure newlib/libc/sys/epiphany/configure.in newlib/libc/sys/epiphany/e_printf.c newlib/libm/machine/aarch64/Makefile.am newlib/libm/machine/aarch64/Makefile.in newlib/libm/machine/aarch64/aclocal.m4 newlib/libm/machine/aarch64/configure newlib/libm/machine/aarch64/configure.in newlib/libm/machine/aarch64/s_ceil.c newlib/libm/machine/aarch64/s_floor.c newlib/libm/machine/aarch64/s_fma.c newlib/libm/machine/aarch64/s_fmax.c newlib/libm/machine/aarch64/s_fmin.c newlib/libm/machine/aarch64/s_llrint.c newlib/libm/machine/aarch64/s_llround.c newlib/libm/machine/aarch64/s_lrint.c newlib/libm/machine/aarch64/s_lround.c newlib/libm/machine/aarch64/s_nearbyint.c newlib/libm/machine/aarch64/s_rint.c newlib/libm/machine/aarch64/s_round.c newlib/libm/machine/aarch64/s_trunc.c newlib/libm/machine/aarch64/sf_ceil.c newlib/libm/machine/aarch64/sf_floor.c newlib/libm/machine/aarch64/sf_fma.c newlib/libm/machine/aarch64/sf_fmax.c newlib/libm/machine/aarch64/sf_fmin.c newlib/libm/machine/aarch64/sf_llrint.c newlib/libm/machine/aarch64/sf_llround.c newlib/libm/machine/aarch64/sf_lrint.c newlib/libm/machine/aarch64/sf_lround.c newlib/libm/machine/aarch64/sf_nearbyint.c newlib/libm/machine/aarch64/sf_rint.c newlib/libm/machine/aarch64/sf_round.c newlib/libm/machine/aarch64/sf_trunc.c winsup/cygwin/cygwin.din winsup/cygwin/cygwin.sc winsup/doc/cygserver.sgml winsup/doc/cygwin-api.in.sgml winsup/doc/cygwin-ug-net.in.sgml winsup/doc/cygwin-ug.in.sgml winsup/doc/cygwin.dsl winsup/doc/cygwinenv.sgml winsup/doc/dll.sgml winsup/doc/effectively.sgml winsup/doc/faq-sections.xml winsup/doc/filemodes.sgml winsup/doc/gcc.sgml winsup/doc/gdb.sgml winsup/doc/legal.sgml winsup/doc/new-features.sgml winsup/doc/ntsec.sgml winsup/doc/overview.sgml winsup/doc/overview2.sgml winsup/doc/pathnames.sgml winsup/doc/programming.sgml winsup/doc/setup-net.sgml winsup/doc/setup.sgml winsup/doc/setup2.sgml winsup/doc/textbinary.sgml winsup/doc/using.sgml winsup/doc/windres.sgml winsup/utils/utils.sgml
Diffstat (limited to 'winsup/cygwin/exceptions.cc')
-rw-r--r--winsup/cygwin/exceptions.cc311
1 files changed, 223 insertions, 88 deletions
diff --git a/winsup/cygwin/exceptions.cc b/winsup/cygwin/exceptions.cc
index d86635bae..abb973528 100644
--- a/winsup/cygwin/exceptions.cc
+++ b/winsup/cygwin/exceptions.cc
@@ -1,7 +1,7 @@
/* exceptions.cc
- Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
- 2007, 2008, 2009, 2010, 2011, 2012, 2013 Red Hat, Inc.
+ Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+ 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Red Hat, Inc.
This file is part of Cygwin.
@@ -32,6 +32,17 @@ details. */
#include "ntdll.h"
#include "exception.h"
+/* Definitions for code simplification */
+#ifdef __x86_64__
+# define _GR(reg) R ## reg
+# define _AFMT "%011X"
+# define _ADDR DWORD64
+#else
+# define _GR(reg) E ## reg
+# define _AFMT "%08x"
+# define _ADDR DWORD
+#endif
+
#define CALL_HANDLER_RETRY_OUTER 10
#define CALL_HANDLER_RETRY_INNER 10
@@ -39,7 +50,7 @@ char debugger_command[2 * NT_MAX_PATH + 20];
static BOOL WINAPI ctrl_c_handler (DWORD);
-NO_COPY static struct
+static const struct
{
NTSTATUS code;
const char *name;
@@ -178,6 +189,20 @@ cygwin_exception::dump_exception ()
}
}
+#ifdef __x86_64__
+ if (exception_name)
+ small_printf ("Exception: %s at rip=%011X\r\n", exception_name, ctx->Rip);
+ else
+ small_printf ("Signal %d at rip=%011X\r\n", e->ExceptionCode, ctx->Rip);
+ small_printf ("rax=%016X rbx=%016X rcx=%016X\r\n", ctx->Rax, ctx->Rbx, ctx->Rcx);
+ small_printf ("rdx=%016X rsi=%016X rdi=%016X\r\n", ctx->Rdx, ctx->Rsi, ctx->Rdi);
+ small_printf ("r8 =%016X r9 =%016X r10=%016X\r\n", ctx->R8, ctx->R9, ctx->R10);
+ small_printf ("r11=%016X r12=%016X r13=%016X\r\n", ctx->R11, ctx->R12, ctx->R13);
+ small_printf ("r14=%016X r15=%016X\r\n", ctx->R14, ctx->R15);
+ small_printf ("rbp=%016X rsp=%016X\r\n", ctx->Rbp, ctx->Rsp);
+ small_printf ("program=%W, pid %u, thread %s\r\n",
+ myself->progname, myself->pid, cygthread::name ());
+#else
if (exception_name)
small_printf ("Exception: %s at eip=%08x\r\n", exception_name, ctx->Eip);
else
@@ -185,7 +210,9 @@ cygwin_exception::dump_exception ()
small_printf ("eax=%08x ebx=%08x ecx=%08x edx=%08x esi=%08x edi=%08x\r\n",
ctx->Eax, ctx->Ebx, ctx->Ecx, ctx->Edx, ctx->Esi, ctx->Edi);
small_printf ("ebp=%08x esp=%08x program=%W, pid %u, thread %s\r\n",
- ctx->Ebp, ctx->Esp, myself->progname, myself->pid, cygthread::name ());
+ ctx->Ebp, ctx->Esp, myself->progname, myself->pid,
+ cygthread::name ());
+#endif
small_printf ("cs=%04x ds=%04x es=%04x fs=%04x gs=%04x ss=%04x\r\n",
ctx->SegCs, ctx->SegDs, ctx->SegEs, ctx->SegFs, ctx->SegGs, ctx->SegSs);
}
@@ -196,10 +223,14 @@ class stack_info
int walk (); /* Uses the "old" method */
char *next_offset () {return *((char **) sf.AddrFrame.Offset);}
bool needargs;
- DWORD dummy_frame;
+ PUINT_PTR dummy_frame;
+#ifdef __x86_64__
+ CONTEXT c;
+ UNWIND_HISTORY_TABLE hist;
+#endif
public:
STACKFRAME sf; /* For storing the stack information */
- void init (DWORD, bool, bool); /* Called the first time that stack info is needed */
+ void init (PUINT_PTR, bool, PCONTEXT); /* Called the first time that stack info is needed */
/* Postfix ++ iterates over the stack, returning zero when nothing is left. */
int operator ++(int) { return walk (); }
@@ -213,21 +244,30 @@ static NO_COPY stack_info thestack;
/* Initialize everything needed to start iterating. */
void
-stack_info::init (DWORD ebp, bool wantargs, bool goodframe)
+stack_info::init (PUINT_PTR framep, bool wantargs, PCONTEXT ctx)
{
-# define debp ((DWORD *) ebp)
+#ifdef __x86_64__
+ memset (&hist, 0, sizeof hist);
+ if (ctx)
+ memcpy (&c, ctx, sizeof c);
+ else
+ {
+ memset (&c, 0, sizeof c);
+ c.ContextFlags = CONTEXT_ALL;
+ }
+#endif
memset (&sf, 0, sizeof (sf));
- if (!goodframe)
- sf.AddrFrame.Offset = ebp;
+ if (ctx)
+ sf.AddrFrame.Offset = (UINT_PTR) framep;
else
{
- dummy_frame = ebp;
- sf.AddrFrame.Offset = (DWORD) &dummy_frame;
+ dummy_frame = framep;
+ sf.AddrFrame.Offset = (UINT_PTR) &dummy_frame;
}
- sf.AddrReturn.Offset = debp[1];
+ if (framep)
+ sf.AddrReturn.Offset = framep[1];
sf.AddrFrame.Mode = AddrModeFlat;
needargs = wantargs;
-# undef debp
}
extern "C" void _cygwin_exit_return ();
@@ -237,26 +277,56 @@ extern "C" void _cygwin_exit_return ();
int
stack_info::walk ()
{
- char **ebp;
+#ifdef __x86_64__
+ PRUNTIME_FUNCTION f;
+ ULONG64 imagebase;
+ DWORD64 establisher;
+ PVOID hdl;
+
+ if (!c.Rip)
+ return 0;
+
+ sf.AddrPC.Offset = c.Rip;
+ sf.AddrStack.Offset = c.Rsp;
+ sf.AddrFrame.Offset = c.Rbp;
+
+ f = RtlLookupFunctionEntry (c.Rip, &imagebase, &hist);
+ if (f)
+ RtlVirtualUnwind (0, imagebase, c.Rip, f, &c, &hdl, &establisher, NULL);
+ else
+ {
+ c.Rip = *(ULONG_PTR *) c.Rsp;
+ c.Rsp += 8;
+ }
+ if (needargs && c.Rip)
+ {
+ PULONG_PTR p = (PULONG_PTR) c.Rsp;
+ for (unsigned i = 0; i < NPARAMS; ++i)
+ sf.Params[i] = p[i + 1];
+ }
+ return 1;
+#else
+ char **framep;
if ((void (*) ()) sf.AddrPC.Offset == _cygwin_exit_return)
return 0; /* stack frames are exhausted */
- if (((ebp = (char **) next_offset ()) == NULL) || (ebp >= (char **) cygwin_hmodule))
+ if (((framep = (char **) next_offset ()) == NULL)
+ || (framep >= (char **) cygwin_hmodule))
return 0;
- sf.AddrFrame.Offset = (DWORD) ebp;
+ sf.AddrFrame.Offset = (_ADDR) framep;
sf.AddrPC.Offset = sf.AddrReturn.Offset;
/* The return address always follows the stack pointer */
- sf.AddrReturn.Offset = (DWORD) *++ebp;
+ sf.AddrReturn.Offset = (_ADDR) *++framep;
if (needargs)
{
unsigned nparams = NPARAMS;
/* The arguments follow the return address */
- sf.Params[0] = (DWORD) *++ebp;
+ sf.Params[0] = (_ADDR) *++framep;
/* Hack for XP/2K3 WOW64. If the first stack param points to the
application entry point, we can only fetch one additional
parameter. Accessing anything beyond this address results in
@@ -264,16 +334,19 @@ stack_info::walk ()
if (wincap.has_restricted_stack_args () && sf.Params[0] == 0x401000)
nparams = 2;
for (unsigned i = 1; i < nparams; i++)
- sf.Params[i] = (DWORD) *++ebp;
+ sf.Params[i] = (_ADDR) *++framep;
}
-
return 1;
+#endif
}
void
cygwin_exception::dumpstack ()
{
static bool already_dumped;
+ myfault efault;
+ if (efault.faulted ())
+ return;
if (already_dumped || cygheap->rlim_core == 0Ul)
return;
@@ -285,14 +358,18 @@ cygwin_exception::dumpstack ()
int i;
- thestack.init (ebp, 1, !ctx); /* Initialize from the input CONTEXT */
+ thestack.init (framep, 1, ctx); /* Initialize from the input CONTEXT */
+#ifdef __x86_64__
+ small_printf ("Stack trace:\r\nFrame Function Args\r\n");
+#else
small_printf ("Stack trace:\r\nFrame Function Args\r\n");
+#endif
for (i = 0; i < 16 && thestack++; i++)
{
- small_printf ("%08x %08x ", thestack.sf.AddrFrame.Offset,
+ small_printf (_AFMT " " _AFMT, thestack.sf.AddrFrame.Offset,
thestack.sf.AddrPC.Offset);
for (unsigned j = 0; j < NPARAMS; j++)
- small_printf ("%s%08x", j == 0 ? " (" : ", ", thestack.sf.Params[j]);
+ small_printf ("%s" _AFMT, j == 0 ? " (" : ", ", thestack.sf.Params[j]);
small_printf (")\r\n");
}
small_printf ("End of stack trace%s\n",
@@ -309,8 +386,8 @@ _cygtls::inside_kernel (CONTEXT *cx)
return true;
memset (&m, 0, sizeof m);
- if (!VirtualQuery ((LPCVOID) cx->Eip, &m, sizeof m))
- sigproc_printf ("couldn't get memory info, pc %p, %E", cx->Eip);
+ if (!VirtualQuery ((LPCVOID) cx->_GR(ip), &m, sizeof m))
+ sigproc_printf ("couldn't get memory info, pc %p, %E", cx->_GR(ip));
size_t size = (windows_system_directory_length + 6) * sizeof (WCHAR);
PWCHAR checkdir = (PWCHAR) alloca (size);
@@ -330,12 +407,14 @@ _cygtls::inside_kernel (CONTEXT *cx)
checkdir += 4;
res = wcsncasecmp (windows_system_directory, checkdir,
windows_system_directory_length) == 0;
+#ifndef __x86_64__
if (!res && system_wow64_directory_length)
res = wcsncasecmp (system_wow64_directory, checkdir,
system_wow64_directory_length) == 0;
+#endif
}
- sigproc_printf ("pc %p, h %p, inside_kernel %d", cx->Eip, h, res);
+ sigproc_printf ("pc %p, h %p, inside_kernel %d", cx->_GR(ip), h, res);
# undef h
return res;
}
@@ -346,8 +425,8 @@ cygwin_stackdump ()
{
CONTEXT c;
c.ContextFlags = CONTEXT_FULL;
- GetThreadContext (GetCurrentThread (), &c);
- cygwin_exception exc (c.Ebp);
+ RtlCaptureContext (&c);
+ cygwin_exception exc ((PUINT_PTR) c._GR(bp), &c);
exc.dumpstack ();
}
@@ -440,9 +519,13 @@ try_to_debug (bool waitloop)
return dbg;
}
-extern "C" void WINAPI RtlUnwind (void *, void *, PEXCEPTION_RECORD, void *);
-static void __reg3 rtl_unwind (exception_list *, PEXCEPTION_RECORD) __attribute__ ((noinline, ));
-void __stdcall
+#ifdef __x86_64__
+/* Don't unwind the stack on x86_64. It's not necessary to do that from the
+ exception handler. */
+#define rtl_unwind(el,er)
+#else
+static void __reg3 rtl_unwind (exception_list *, PEXCEPTION_RECORD) __attribute__ ((noinline, regparm (3)));
+void __reg3
rtl_unwind (exception_list *frame, PEXCEPTION_RECORD e)
{
__asm__ ("\n\
@@ -460,27 +543,47 @@ rtl_unwind (exception_list *frame, PEXCEPTION_RECORD e)
popl %%ebx \n\
": : "r" (frame), "r" (e));
}
+#endif
/* Main exception handler. */
-extern exception_list *_except_list asm ("%fs:0");
+#ifdef __x86_64__
+#define CYG_EXC_CONTINUE_EXECUTION EXCEPTION_CONTINUE_EXECUTION
+#define CYG_EXC_CONTINUE_SEARCH EXCEPTION_CONTINUE_SEARCH
+
+bool exception::handler_installed NO_COPY;
+
+int
+exception::handle (LPEXCEPTION_POINTERS ep)
+#else
+#define CYG_EXC_CONTINUE_EXECUTION ExceptionContinueExecution
+#define CYG_EXC_CONTINUE_SEARCH ExceptionContinueSearch
int
exception::handle (EXCEPTION_RECORD *e, exception_list *frame, CONTEXT *in, void *)
+#endif
{
static bool NO_COPY debugging;
_cygtls& me = _my_tls;
+ if (me.andreas)
+ me.andreas->leave (); /* Return from a "san" caught fault */
+
+#ifdef __x86_64__
+ EXCEPTION_RECORD *e = ep->ExceptionRecord;
+ CONTEXT *in = ep->ContextRecord;
+#endif
+
if (debugging && ++debugging < 500000)
{
SetThreadPriority (hMainThread, THREAD_PRIORITY_NORMAL);
- return 0;
+ return CYG_EXC_CONTINUE_EXECUTION;
}
- /* If we're exiting, don't do anything here. Returning 1
- tells Windows to keep looking for an exception handler. */
+ /* If we're exiting, tell Windows to keep looking for an
+ exception handler. */
if (exit_state || e->ExceptionFlags)
- return 1;
+ return CYG_EXC_CONTINUE_SEARCH;
siginfo_t si = {};
si.si_code = SI_KERNEL;
@@ -549,7 +652,7 @@ exception::handle (EXCEPTION_RECORD *e, exception_list *frame, CONTEXT *in, void
1))
{
case MMAP_NORESERVE_COMMITED:
- return 0;
+ return CYG_EXC_CONTINUE_EXECUTION;
case MMAP_RAISE_SIGBUS: /* MAP_NORESERVE page, commit failed, or
access to mmap page beyond EOF. */
si.si_signo = SIGBUS;
@@ -583,26 +686,31 @@ exception::handle (EXCEPTION_RECORD *e, exception_list *frame, CONTEXT *in, void
want CloseHandle to return an error. This can be revisited
if gcc ever supports Windows style structured exception
handling. */
- return 0;
+ return CYG_EXC_CONTINUE_EXECUTION;
default:
/* If we don't recognize the exception, we have to assume that
we are doing structured exception handling, and we let
something else handle it. */
- return 1;
+ return CYG_EXC_CONTINUE_SEARCH;
}
- if (me.andreas)
- me.andreas->leave (); /* Return from a "san" caught fault */
-
- debug_printf ("In cygwin_except_handler exception %p at %p sp %p", e->ExceptionCode, in->Eip, in->Esp);
- debug_printf ("In cygwin_except_handler signal %d at %p", si.si_signo, in->Eip);
-
- DWORD *ebp = (DWORD *) in->Esp;
- for (DWORD *bpend = (DWORD *) __builtin_frame_address (0); ebp > bpend; ebp--)
- if (*ebp == in->SegCs && ebp[-1] == in->Eip)
+ debug_printf ("In cygwin_except_handler exception %y at %p sp %p", e->ExceptionCode, in->_GR(ip), in->_GR(sp));
+ debug_printf ("In cygwin_except_handler signal %d at %p", si.si_signo, in->_GR(ip));
+
+#ifdef __x86_64__
+ PUINT_PTR framep = (PUINT_PTR) in->Rbp;
+ /* Sometimes, when a stack is screwed up, Rbp tends to be NULL. In that
+ case, base the stacktrace on Rsp. In most cases, it allows to generate
+ useful stack trace. */
+ if (!framep)
+ framep = (PUINT_PTR) in->Rsp;
+#else
+ PUINT_PTR framep = (PUINT_PTR) in->_GR(sp);
+ for (PUINT_PTR bpend = (PUINT_PTR) __builtin_frame_address (0); framep > bpend; framep--)
+ if (*framep == in->SegCs && framep[-1] == in->_GR(ip))
{
- ebp -= 2;
+ framep -= 2;
break;
}
@@ -610,6 +718,7 @@ exception::handle (EXCEPTION_RECORD *e, exception_list *frame, CONTEXT *in, void
We don't want any Windows magic kicking in. This top level frame
will be removed automatically after our exception handler returns. */
_except_list->handler = handle;
+#endif
if (exit_state >= ES_SIGNAL_EXIT
&& (NTSTATUS) e->ExceptionCode != STATUS_CONTROL_C_EXIT)
@@ -619,7 +728,7 @@ exception::handle (EXCEPTION_RECORD *e, exception_list *frame, CONTEXT *in, void
else
{
debugging = true;
- return 0;
+ return CYG_EXC_CONTINUE_EXECUTION;
}
/* FIXME: Probably should be handled in signal processing code */
@@ -632,19 +741,25 @@ exception::handle (EXCEPTION_RECORD *e, exception_list *frame, CONTEXT *in, void
error_code |= 2;
if (!me.inside_kernel (in)) /* User space */
error_code |= 4;
- klog (LOG_INFO, "%s[%d]: segfault at %08x rip %08x rsp %08x error %d",
- __progname, myself->pid, e->ExceptionInformation[1],
- in->Eip, in->Esp, error_code);
+ klog (LOG_INFO,
+#ifdef __x86_64__
+ "%s[%d]: segfault at %011X rip %011X rsp %011X error %d",
+#else
+ "%s[%d]: segfault at %08x rip %08x rsp %08x error %d",
+#endif
+ __progname, myself->pid,
+ e->ExceptionInformation[1], in->_GR(ip), in->_GR(sp),
+ error_code);
}
-
- cygwin_exception exc ((DWORD) ebp, in, e);
+ cygwin_exception exc (framep, in, e);
si.si_cyg = (void *) &exc;
- si.si_addr = (void *) in->Eip;
+ si.si_addr = (si.si_signo == SIGSEGV || si.si_signo == SIGBUS)
+ ? (void *) e->ExceptionInformation[1] : (void *) in->_GR(ip);
me.incyg++;
sig_send (NULL, si, &me); /* Signal myself */
me.incyg--;
e->ExceptionFlags = 0;
- return 0;
+ return CYG_EXC_CONTINUE_EXECUTION;
}
/* Utilities to call a user supplied exception handler. */
@@ -664,7 +779,7 @@ handle_sigsuspend (sigset_t tempmask)
sigset_t oldmask = _my_tls.sigmask; // Remember for restoration
set_signal_mask (_my_tls.sigmask, tempmask);
- sigproc_printf ("oldmask %p, newmask %p", oldmask, tempmask);
+ sigproc_printf ("oldmask %ly, newmask %ly", oldmask, tempmask);
pthread_testcancel ();
cygwait (NULL, cw_infinite, cw_cancel | cw_cancel_self | cw_sig_eintr);
@@ -730,16 +845,17 @@ _cygtls::interrupt_now (CONTEXT *cx, siginfo_t& si, void *handler,
interrupted = false;
else
{
- push ((__stack_t) cx->Eip);
+ _ADDR &ip = cx->_GR(ip);
+ push (ip);
interrupt_setup (si, handler, siga);
- cx->Eip = pop ();
+ ip = pop ();
SetThreadContext (*this, cx); /* Restart the thread in a new location */
interrupted = true;
}
return interrupted;
}
-void __stdcall
+void __reg3
_cygtls::interrupt_setup (siginfo_t& si, void *handler, struct sigaction& siga)
{
push ((__stack_t) sigdelayed);
@@ -1050,7 +1166,7 @@ set_process_mask_delta ()
else
oldmask = _my_tls.sigmask;
newmask = (oldmask | _my_tls.deltamask) & ~SIG_NONMASKABLE;
- sigproc_printf ("oldmask %p, newmask %p, deltamask %p", oldmask, newmask,
+ sigproc_printf ("oldmask %lx, newmask %lx, deltamask %lx", oldmask, newmask,
_my_tls.deltamask);
_my_tls.sigmask = newmask;
return oldmask;
@@ -1064,7 +1180,7 @@ set_signal_mask (sigset_t& setmask, sigset_t newmask)
{
newmask &= ~SIG_NONMASKABLE;
sigset_t mask_bits = setmask & ~newmask;
- sigproc_printf ("setmask %p, newmask %p, mask_bits %p", setmask, newmask,
+ sigproc_printf ("setmask %lx, newmask %lx, mask_bits %lx", setmask, newmask,
mask_bits);
setmask = newmask;
if (mask_bits)
@@ -1092,13 +1208,21 @@ signal_exit (int sig, siginfo_t *si)
case SIGTRAP:
case SIGXCPU:
case SIGXFSZ:
+ sig |= 0x80; /* Flag that we've "dumped core" */
if (try_to_debug ())
break;
if (si->si_code != SI_USER && si->si_cyg)
((cygwin_exception *) si->si_cyg)->dumpstack ();
else
{
- cygwin_exception exc (_my_tls.thread_context.ebp);
+ CONTEXT c;
+ c.ContextFlags = CONTEXT_FULL;
+ RtlCaptureContext (&c);
+#ifdef __x86_64__
+ cygwin_exception exc ((PUINT_PTR) _my_tls.thread_context.rbp, &c);
+#else
+ cygwin_exception exc ((PUINT_PTR) _my_tls.thread_context.ebp, &c);
+#endif
exc.dumpstack ();
}
break;
@@ -1107,7 +1231,10 @@ signal_exit (int sig, siginfo_t *si)
lock_process until_exit (true);
if (have_execed || exit_state > ES_PROCESS_LOCKED)
- myself.exit (sig);
+ {
+ debug_printf ("recursive exit?");
+ myself.exit (sig);
+ }
/* Starve other threads in a vain attempt to stop them from doing something
stupid. */
@@ -1129,22 +1256,22 @@ _cygtls::handle_SIGCONT ()
int state = 0;
/* Carefully tell sig_handle_tty_stop to wake up. */
while (state < 2)
- {
- lock ();
- if (sig)
- yield (); /* state <= 1 */
- else if (state)
- state++; /* state == 2 */
- else
- {
- sig = SIGCONT;
- SetEvent (signal_arrived);
- state++; /* state == 1 */
- }
- unlock ();
- }
+ {
+ lock ();
+ if (sig)
+ yield (); /* state <= 1 */
+ else if (state)
+ state++; /* state == 2 */
+ else
+ {
+ sig = SIGCONT;
+ SetEvent (signal_arrived);
+ state++; /* state == 1 */
+ }
+ unlock ();
+ }
/* Tell wait_sig to handle any queued signals now that we're alive
- again. */
+ again. */
sig_dispatch_pending (false);
}
/* Clear pending stop signals */
@@ -1154,7 +1281,7 @@ _cygtls::handle_SIGCONT ()
sig_clear (SIGTTOU);
}
-int __stdcall
+int __reg1
sigpacket::process ()
{
int rc = 1;
@@ -1200,7 +1327,7 @@ sigpacket::process ()
else
tls = NULL;
}
-
+
/* !tls means no threads available to catch a signal. */
if (!tls)
{
@@ -1350,16 +1477,24 @@ _cygtls::signal_debugger (siginfo_t& si)
else
goto out;
if (incyg)
+#ifdef __x86_64__
+ c.Rip = retaddr ();
+#else
c.Eip = retaddr ();
+#endif
+ memcpy (&thread_context, pc, (&thread_context._internal -
+ (unsigned char *) &thread_context));
}
- memcpy (&thread_context, pc, (&thread_context._internal -
- (unsigned char *) &thread_context));
+#ifdef __x86_64__
+ char sigmsg[2 * sizeof (_CYGWIN_SIGNAL_STRING " ffffffff ffffffffffffffff")];
+#else
char sigmsg[2 * sizeof (_CYGWIN_SIGNAL_STRING " ffffffff ffffffff")];
- __small_sprintf (sigmsg, _CYGWIN_SIGNAL_STRING " %d %p %p", si.si_signo,
+#endif
+ __small_sprintf (sigmsg, _CYGWIN_SIGNAL_STRING " %d %y %p", si.si_signo,
thread_id, &thread_context);
OutputDebugString (sigmsg);
}
out:
- if (th)
- ResumeThread (th);
+ if (th)
+ ResumeThread (th);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-12 12:36:26 +0300