mirror of
https://github.com/crosstool-ng/crosstool-ng.git
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fd8f312091
/trunk/patches/ltrace/0.5/130-fixes-by-debian.patch | 812 812 0 0 +++++++++++++++++++++++ /trunk/patches/ltrace/0.5/110-allow-cross-compile.patch | 26 13 13 0 /trunk/config/debug/ltrace.in | 5 5 0 0 + 3 files changed, 830 insertions(+), 13 deletions(-)
813 lines
26 KiB
Diff
813 lines
26 KiB
Diff
This patch was vampirised from the 0.5-3.1 Debian-packaged version of ltrace,
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and contains the following fixes (exerpt from the Debian changelog). Moreover,
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you will also find an exerpt of the Debian copyright file with proper
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attribution.
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================ Debian changelog exerpt ================
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ltrace (0.5-3.1) unstable; urgency=low
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* Non-maintainer upload.
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* Big thanks for Anderson Lizardo for providing patches!
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* Add generic support for arm targets, Closes: #176413
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* Save funtion arguments on arm, Closes: #462530
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* Add thumb instruction support, Closes: #462531
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* Add basic arm/eabi support, Closes: #450931
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* fix exec() testcase cleanup, Closes: #462532
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* fix memory corruption in clone() test, Closes: #462533
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* fix tracing child with "-p" option, Closes: #462535
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* Update standard, no changes
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-- Riku Voipio <riku.voipio@iki.fi> Tue, 29 Jan 2008 00:26:50 +0200
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ltrace (0.5-3) unstable; urgency=low
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* Really fix compilation problems in ppc (!)
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-- Juan Cespedes <cespedes@debian.org> Fri, 31 Aug 2007 19:04:03 +0200
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ltrace (0.5-2) unstable; urgency=low
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* Fixed compilation issue in ppc
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-- Juan Cespedes <cespedes@debian.org> Fri, 31 Aug 2007 13:53:27 +0200
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ltrace (0.5-1) unstable; urgency=low
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* New upstream version
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* Remove some unneeded files in /usr/share/doc (ChangeLog, COPYING...)
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* Fix several typos (closes: Bug#372928)
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* Added more system calls to ltrace.conf
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-- Juan Cespedes <cespedes@debian.org> Thu, 30 Aug 2007 14:54:44 +0200
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============== End Debian changelog exerpt ==============
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================ Debian copyright exerpt ================
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Copyrights
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----------
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Copyright (C) 1997-2007 Juan Cespedes <cespedes@debian.org>
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ARMLinux port: Copyright (C) 1998 Pat Beirne <pbeirne@home.com>
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m68k port: Copyright (C) 1998 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de>
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Misc fixes: Copyright (C) 1999 Morten Eriksen <mortene@sim.no>
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s390 port: Copyright (C) 2001 IBM Poughkeepsie, IBM Cororation <slate@us.ibm.com>
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ELF hacking: Copyright (C) 1999 Silvio Cesare <silvio@big.net.au>
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PowerPC port: Copyright (C) 2001-2002 Anton Blanchard <anton@samba.org>
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SPARC port: Copyright (C) 1999 Jakub Jelinek <jakub@redhat.com>
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Autoconf stuff: Copyright 1992-1996 Free Software Foundation, Inc.
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install-sh: Copyright 1991 by the Massachusetts Institute of Technology
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C++ demangle: Copyright 1989-1997 Free Software Foundation, Inc.
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============== End Debian copyright exerpt ==============
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diff -durN ltrace-0.5.orig/breakpoints.c ltrace-0.5/breakpoints.c
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--- ltrace-0.5.orig/breakpoints.c 2006-06-14 06:55:21.000000000 +0200
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+++ ltrace-0.5/breakpoints.c 2008-11-04 19:25:50.000000000 +0100
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@@ -53,6 +53,10 @@
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if (libsym)
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libsym->brkpnt = sbp;
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}
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+#ifdef __arm__
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+ sbp->thumb_mode = proc->thumb_mode;
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+ proc->thumb_mode = 0;
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+#endif
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sbp->enabled++;
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if (sbp->enabled == 1 && proc->pid)
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enable_breakpoint(proc->pid, sbp);
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diff -durN ltrace-0.5.orig/elf.c ltrace-0.5/elf.c
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--- ltrace-0.5.orig/elf.c 2006-06-14 06:55:21.000000000 +0200
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+++ ltrace-0.5/elf.c 2008-11-04 19:25:50.000000000 +0100
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@@ -464,8 +464,7 @@
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if (strcmp(xptr->name, PLTs_initialized_by_here) == 0) {
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if (lte->ehdr.e_entry) {
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add_library_symbol (
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- elf_plt2addr (lte, (void*)(long)
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- lte->ehdr.e_entry),
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+ opd2addr (lte, lte->ehdr.e_entry),
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PLTs_initialized_by_here,
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lib_tail, 1, 0);
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fprintf (stderr, "WARNING: Using e_ent"
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diff -durN ltrace-0.5.orig/etc/ltrace.conf ltrace-0.5/etc/ltrace.conf
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--- ltrace-0.5.orig/etc/ltrace.conf 2006-02-20 22:55:47.000000000 +0100
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+++ ltrace-0.5/etc/ltrace.conf 2008-11-04 19:25:50.000000000 +0100
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@@ -444,3 +444,81 @@
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int SYS_removexattr(string,string);
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int SYS_lremovexattr(string,string);
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int SYS_fremovexattr(int,string);
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+int SYS_chdir(string);
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+int SYS_fchdir(int);
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+int SYS_chmod(string,octal);
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+int SYS_fchmod(int,octal);
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+int SYS_chown(string,int,int);
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+int SYS_fchown(int,int,int);
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+int SYS_lchown(string,int,int);
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+int SYS_chroot(string);
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+int SYS_dup(int);
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+int SYS_dup2(int,int);
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+int SYS_fdatasync(int);
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+int SYS_fsync(int);
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+int SYS_getpriority(int,int);
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+int SYS_setpriority(int,int,int);
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+int SYS_getrlimit(int,addr);
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+int SYS_setrlimit(int,addr);
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+int SYS_gettimeofday(addr,addr);
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+int SYS_settimeofday(addr,addr);
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+int SYS_setfsgid(int);
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+int SYS_setfsuid(int);
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+int SYS_getuid(void);
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+int SYS_setuid(int);
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+int SYS_getgid(void);
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+int SYS_setgid(int);
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+int SYS_getsid(int);
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+int SYS_setsid(int);
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+int SYS_setreuid(int,int);
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+int SYS_setregid(int,int);
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+int SYS_geteuid(void);
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+int SYS_getegid(void);
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+int SYS_setpgid(int,int);
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+int SYS_getresuid(addr,addr,addr);
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+int SYS_setresuid(int,int,int);
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+int SYS_getresgid(addr,addr,addr);
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+int SYS_setresgid(int,int,int);
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+int SYS_kill(int,int);
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+int SYS_link(string,string);
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+int SYS_madvise(addr,ulong,int);
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+int SYS_mkdir(string,octal);
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+int SYS_mknod(string,octal,int);
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+int SYS_msync(addr,ulong,int);
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+int SYS_nice(int);
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+int SYS_poll(addr,uint,int);
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+int SYS_readdir(uint,addr,uint);
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+int SYS_readlink(string,string,ulong);
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+int SYS_reboot(int,int,int,addr);
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+int SYS_rename(string,string);
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+int SYS_rmdir(string);
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+int SYS_sigaltstack(addr,addr);
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+int SYS_statfs(string,addr);
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+int SYS_fstatfs(int,addr);
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+int SYS_fstat(int,addr);
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+int SYS_lstat(string,addr);
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+int SYS_stime(addr);
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+int SYS_symlink(string, string);
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+int SYS_sysinfo(addr);
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+int SYS_syslog(int,string,int);
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+int SYS_truncate(string,long);
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+int SYS_ftruncate(int,long);
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+int SYS_mount(string,string,string,ulong,addr);
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+int SYS_umount(string);
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+int SYS_umount2(string,int);
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+int SYS_unlink(string);
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+int SYS_utime(string,addr);
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+long SYS_lseek(int,long,int);
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+addr SYS_signal(int,addr);
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+int SYS_sigaction(int,addr,addr);
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+int SYS_pause(void);
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+int SYS_sigpending(addr);
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+int SYS_sigprocmask(int,addr,addr);
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+int SYS_sigqueue(int,int,addr);
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+int SYS_sigsuspend(addr);
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+int SYS_wait(addr);
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+int SYS_waitpid(int,addr,int);
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+ulong SYS_readv(int,addr,int);
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+ulong SYS_writev(int,addr,int);
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+int SYS_mprotect(addr,int,int);
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+int SYS_access(string,octal);
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diff -durN ltrace-0.5.orig/ltrace.1 ltrace-0.5/ltrace.1
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--- ltrace-0.5.orig/ltrace.1 2006-06-16 03:15:18.000000000 +0200
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+++ ltrace-0.5/ltrace.1 2008-11-04 19:25:50.000000000 +0100
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@@ -30,7 +30,7 @@
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.TP
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.I \-C, \-\-demangle
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Decode (demangle) low-level symbol names into user-level names.
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-Besides removing any initial underscore prepended by the system,
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+Besides removing any initial underscore prefix used by the system,
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this makes C++ function names readable.
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.TP
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.I \-d, \-\-debug
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diff -durN ltrace-0.5.orig/ltrace.c ltrace-0.5/ltrace.c
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--- ltrace-0.5.orig/ltrace.c 2006-02-20 22:48:07.000000000 +0100
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+++ ltrace-0.5/ltrace.c 2008-11-04 19:25:50.000000000 +0100
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@@ -54,6 +54,9 @@
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{
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exiting = 1;
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debug(1, "Received interrupt signal; exiting...");
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+ if (opt_o) {
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+ fclose(output);
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+ }
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signal(SIGINT, SIG_IGN);
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signal(SIGTERM, SIG_IGN);
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signal(SIGALRM, signal_alarm);
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@@ -74,6 +77,9 @@
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if (opt_c) {
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show_summary();
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}
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+ if (opt_o) {
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+ fclose(output);
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+ }
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}
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static void guess_cols(void)
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diff -durN ltrace-0.5.orig/ltrace.h ltrace-0.5/ltrace.h
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--- ltrace-0.5.orig/ltrace.h 2006-06-14 06:55:21.000000000 +0200
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+++ ltrace-0.5/ltrace.h 2008-11-04 19:25:50.000000000 +0100
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@@ -26,6 +26,9 @@
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unsigned char orig_value[BREAKPOINT_LENGTH];
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int enabled;
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struct library_symbol *libsym;
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+#ifdef __arm__
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+ int thumb_mode;
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+#endif
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};
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enum arg_type {
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@@ -119,6 +122,9 @@
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void *arch_ptr;
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short e_machine;
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short need_to_reinitialize_breakpoints;
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+#ifdef __arm__
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+ int thumb_mode; /* ARM execution mode: 0: ARM mode, 1: Thumb mode */
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+#endif
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/* output: */
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enum tof type_being_displayed;
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@@ -136,12 +142,14 @@
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LT_EV_EXIT_SIGNAL,
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LT_EV_SYSCALL,
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LT_EV_SYSRET,
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+ LT_EV_ARCH_SYSCALL,
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+ LT_EV_ARCH_SYSRET,
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LT_EV_BREAKPOINT
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} thing;
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union {
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int ret_val; /* _EV_EXIT */
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int signum; /* _EV_SIGNAL, _EV_EXIT_SIGNAL */
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- int sysnum; /* _EV_SYSCALL, _EV_SYSRET */
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+ int sysnum; /* _EV_SYSCALL, _EV_SYSRET, _EV_ARCH_SYSCALL, _EV_ARCH_SYSRET */
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void *brk_addr; /* _EV_BREAKPOINT */
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} e_un;
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};
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diff -durN ltrace-0.5.orig/options.c ltrace-0.5/options.c
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--- ltrace-0.5.orig/options.c 2006-04-24 22:06:23.000000000 +0200
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+++ ltrace-0.5/options.c 2008-11-04 19:25:50.000000000 +0100
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@@ -42,6 +42,7 @@
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#endif
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int opt_n = 0; /* indent trace output according to program flow */
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int opt_T = 0; /* show the time spent inside each call */
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+int opt_o = 0; /* output to a specific file */
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/* List of pids given to option -p: */
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struct opt_p_t *opt_p = NULL; /* attach to process with a given pid */
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@@ -274,6 +275,7 @@
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opt_n = atoi(optarg);
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break;
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case 'o':
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+ opt_o++;
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output = fopen(optarg, "w");
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if (!output) {
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fprintf(stderr,
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diff -durN ltrace-0.5.orig/options.h ltrace-0.5/options.h
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--- ltrace-0.5.orig/options.h 2006-03-13 18:43:13.000000000 +0100
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+++ ltrace-0.5/options.h 2008-11-04 19:25:50.000000000 +0100
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@@ -20,6 +20,7 @@
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extern int opt_C; /* Demanglelow-level symbol names into user-level names */
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extern int opt_n; /* indent trace output according to program flow */
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extern int opt_T; /* show the time spent inside each call */
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+extern int opt_o; /* output to a specific file */
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struct opt_p_t {
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pid_t pid;
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diff -durN ltrace-0.5.orig/process_event.c ltrace-0.5/process_event.c
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--- ltrace-0.5.orig/process_event.c 2006-06-14 06:55:21.000000000 +0200
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+++ ltrace-0.5/process_event.c 2008-11-04 19:25:50.000000000 +0100
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@@ -24,7 +24,9 @@
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static void process_exit(struct event *event);
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static void process_exit_signal(struct event *event);
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static void process_syscall(struct event *event);
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+static void process_arch_syscall(struct event *event);
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static void process_sysret(struct event *event);
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+static void process_arch_sysret(struct event *event);
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static void process_breakpoint(struct event *event);
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static void remove_proc(struct process *proc);
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@@ -81,6 +83,24 @@
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}
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}
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+static char *arch_sysname(struct process *proc, int sysnum)
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+{
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+ static char result[128];
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+ static char *arch_syscalent[] = {
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+#include "arch_syscallent.h"
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+ };
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+ int nsyscals = sizeof arch_syscalent / sizeof arch_syscalent[0];
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+
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+ if (sysnum < 0 || sysnum >= nsyscals) {
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+ sprintf(result, "ARCH_%d", sysnum);
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+ return result;
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+ } else {
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+ sprintf(result, "ARCH_%s",
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+ arch_syscalent[sysnum]);
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+ return result;
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+ }
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+}
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+
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void process_event(struct event *event)
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{
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switch (event->thing) {
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@@ -115,6 +135,18 @@
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event->e_un.sysnum);
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process_sysret(event);
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return;
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+ case LT_EV_ARCH_SYSCALL:
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+ debug(1, "event: arch_syscall (%s [%d])",
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+ arch_sysname(event->proc, event->e_un.sysnum),
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+ event->e_un.sysnum);
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+ process_arch_syscall(event);
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+ return;
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+ case LT_EV_ARCH_SYSRET:
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+ debug(1, "event: arch_sysret (%s [%d])",
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+ arch_sysname(event->proc, event->e_un.sysnum),
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+ event->e_un.sysnum);
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+ process_arch_sysret(event);
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+ return;
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case LT_EV_BREAKPOINT:
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debug(1, "event: breakpoint");
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process_breakpoint(event);
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@@ -195,6 +227,19 @@
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continue_process(event->proc->pid);
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}
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+static void process_arch_syscall(struct event *event)
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+{
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+ if (opt_S) {
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+ output_left(LT_TOF_SYSCALL, event->proc,
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+ arch_sysname(event->proc, event->e_un.sysnum));
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+ }
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+ if (event->proc->breakpoints_enabled == 0) {
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+ enable_all_breakpoints(event->proc);
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+ }
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+ callstack_push_syscall(event->proc, 0xf0000 + event->e_un.sysnum);
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+ continue_process(event->proc->pid);
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+}
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+
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struct timeval current_time_spent;
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static void calc_time_spent(struct process *proc)
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@@ -257,6 +302,19 @@
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continue_process(event->proc->pid);
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}
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+static void process_arch_sysret(struct event *event)
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+{
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+ if (opt_T || opt_c) {
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+ calc_time_spent(event->proc);
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+ }
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+ callstack_pop(event->proc);
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+ if (opt_S) {
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+ output_right(LT_TOF_SYSCALLR, event->proc,
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+ arch_sysname(event->proc, event->e_un.sysnum));
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+ }
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+ continue_process(event->proc->pid);
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+}
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+
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static void process_breakpoint(struct event *event)
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{
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int i, j;
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diff -durN ltrace-0.5.orig/sysdeps/linux-gnu/Makefile ltrace-0.5/sysdeps/linux-gnu/Makefile
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--- ltrace-0.5.orig/sysdeps/linux-gnu/Makefile 2008-11-04 19:25:11.000000000 +0100
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+++ ltrace-0.5/sysdeps/linux-gnu/Makefile 2008-11-04 19:25:50.000000000 +0100
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@@ -2,7 +2,7 @@
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OBJ = trace.o proc.o breakpoint.o
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-all: sysdep.h signalent.h syscallent.h signalent1.h syscallent1.h ../sysdep.o
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+all: sysdep.h signalent.h syscallent.h arch_syscallent.h signalent1.h syscallent1.h ../sysdep.o
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sysdep.h: $(ARCH)/arch.h
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cat $(ARCH)/arch.h > sysdep.h
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@@ -26,6 +26,13 @@
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> syscallent1.h; \
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fi
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+arch_syscallent.h:
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+ if [ -f $(ARCH)/arch_syscallent.h ]; then \
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+ cp $(ARCH)/arch_syscallent.h arch_syscallent.h; \
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+ else \
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+ > arch_syscallent.h; \
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+ fi
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+
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../sysdep.o: os.o $(ARCH)/arch.o
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$(CC) -nostdlib -r -o ../sysdep.o os.o $(ARCH)/arch.o
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@@ -37,7 +44,7 @@
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clean:
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$(MAKE) -C $(ARCH) clean
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- rm -f $(OBJ) sysdep.h signalent.h signalent1.h syscallent.h
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+ rm -f $(OBJ) sysdep.h signalent.h signalent1.h syscallent.h arch_syscallent.h
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rm -f syscallent1.h os.o sysdep.o ../sysdep.o
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dummy:
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diff -durN ltrace-0.5.orig/sysdeps/linux-gnu/arch_mksyscallent ltrace-0.5/sysdeps/linux-gnu/arch_mksyscallent
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--- ltrace-0.5.orig/sysdeps/linux-gnu/arch_mksyscallent 1970-01-01 01:00:00.000000000 +0100
|
|
+++ ltrace-0.5/sysdeps/linux-gnu/arch_mksyscallent 2008-11-04 19:25:50.000000000 +0100
|
|
@@ -0,0 +1,43 @@
|
|
+#!/usr/bin/awk -f
|
|
+
|
|
+# hack expression to generate arch_syscallent.h from <asm/unistd.h>
|
|
+# It reads from stdin and writes to stdout
|
|
+# Currently (linux-2.6.16), it works OK on arm
|
|
+# It is untested in other architectures
|
|
+
|
|
+BEGIN {
|
|
+ max=0;
|
|
+ FS="[ \t\n()+]+";
|
|
+}
|
|
+
|
|
+{
|
|
+# printf("/%s/%s/%s/%s/\n", $1, $2, $3, $4);
|
|
+ if (($1 ~ /^#define$/) && ($2 ~ /^__[A-Z]+_NR_/)) {
|
|
+ sub(/^__[A-Z]+_NR_/,"",$2);
|
|
+ if (($3>=0) && ($3<=1000)) {
|
|
+ SYSCALL[$3]=$2;
|
|
+ if ($3 > max) {
|
|
+ max=$3;
|
|
+ }
|
|
+ } else if (($3 ~ /^__[A-Z]+_NR_BASE$/) && ($4>=0) && ($4<=1000)) {
|
|
+ SYSCALL[$4]=$2;
|
|
+ if ($4 > max) {
|
|
+ max=$4;
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+}
|
|
+
|
|
+END {
|
|
+ for(i=0; i<=max; i++) {
|
|
+ if (!SYSCALL[i]) {
|
|
+ SYSCALL[i] = i;
|
|
+ }
|
|
+ pad = 32 - length(SYSCALL[i]);
|
|
+ if (pad<1) {
|
|
+ pad=1;
|
|
+ }
|
|
+ printf("\t\"%s\",%*s/* %d */\n", SYSCALL[i], pad, "", i);
|
|
+ }
|
|
+}
|
|
+
|
|
diff -durN ltrace-0.5.orig/sysdeps/linux-gnu/arm/Makefile ltrace-0.5/sysdeps/linux-gnu/arm/Makefile
|
|
--- ltrace-0.5.orig/sysdeps/linux-gnu/arm/Makefile 2006-02-20 22:44:45.000000000 +0100
|
|
+++ ltrace-0.5/sysdeps/linux-gnu/arm/Makefile 2008-11-04 19:25:50.000000000 +0100
|
|
@@ -1,4 +1,4 @@
|
|
-OBJ = trace.o regs.o plt.o
|
|
+OBJ = trace.o regs.o plt.o breakpoint.o
|
|
|
|
all: arch.o
|
|
|
|
diff -durN ltrace-0.5.orig/sysdeps/linux-gnu/arm/arch.h ltrace-0.5/sysdeps/linux-gnu/arm/arch.h
|
|
--- ltrace-0.5.orig/sysdeps/linux-gnu/arm/arch.h 2006-04-24 22:06:23.000000000 +0200
|
|
+++ ltrace-0.5/sysdeps/linux-gnu/arm/arch.h 2008-11-04 19:25:50.000000000 +0100
|
|
@@ -1,5 +1,10 @@
|
|
-#define BREAKPOINT_VALUE { 0x01, 0x00, 0x9f, 0xef }
|
|
+#define ARCH_HAVE_ENABLE_BREAKPOINT 1
|
|
+#define ARCH_HAVE_DISABLE_BREAKPOINT 1
|
|
+
|
|
+#define BREAKPOINT_VALUE { 0xf0, 0x01, 0xf0, 0xe7 }
|
|
#define BREAKPOINT_LENGTH 4
|
|
+#define THUMB_BREAKPOINT_VALUE { 0x01, 0xde }
|
|
+#define THUMB_BREAKPOINT_LENGTH 2
|
|
#define DECR_PC_AFTER_BREAK 0
|
|
|
|
#define LT_ELFCLASS ELFCLASS32
|
|
diff -durN ltrace-0.5.orig/sysdeps/linux-gnu/arm/arch_syscallent.h ltrace-0.5/sysdeps/linux-gnu/arm/arch_syscallent.h
|
|
--- ltrace-0.5.orig/sysdeps/linux-gnu/arm/arch_syscallent.h 1970-01-01 01:00:00.000000000 +0100
|
|
+++ ltrace-0.5/sysdeps/linux-gnu/arm/arch_syscallent.h 2008-11-04 19:25:50.000000000 +0100
|
|
@@ -0,0 +1,6 @@
|
|
+ "0", /* 0 */
|
|
+ "breakpoint", /* 1 */
|
|
+ "cacheflush", /* 2 */
|
|
+ "usr26", /* 3 */
|
|
+ "usr32", /* 4 */
|
|
+ "set_tls", /* 5 */
|
|
diff -durN ltrace-0.5.orig/sysdeps/linux-gnu/arm/breakpoint.c ltrace-0.5/sysdeps/linux-gnu/arm/breakpoint.c
|
|
--- ltrace-0.5.orig/sysdeps/linux-gnu/arm/breakpoint.c 1970-01-01 01:00:00.000000000 +0100
|
|
+++ ltrace-0.5/sysdeps/linux-gnu/arm/breakpoint.c 2008-11-04 19:25:50.000000000 +0100
|
|
@@ -0,0 +1,86 @@
|
|
+/*
|
|
+ * This file is part of ltrace.
|
|
+ *
|
|
+ * Copyright (C) 2007 by Instituto Nokia de Tecnologia (INdT)
|
|
+ *
|
|
+ * Author: Anderson Lizardo <anderson.lizardo@indt.org.br>
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or
|
|
+ * modify it under the terms of the GNU General Public License
|
|
+ * version 2 as published by the Free Software Foundation.
|
|
+ *
|
|
+ * 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
|
|
+ * General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
|
|
+ * 02110-1301 USA
|
|
+ *
|
|
+ * Modified from sysdeps/linux-gnu/breakpoint.c and added ARM Thumb support.
|
|
+*/
|
|
+
|
|
+#include <sys/ptrace.h>
|
|
+#include "config.h"
|
|
+#include "arch.h"
|
|
+#include "options.h"
|
|
+#include "output.h"
|
|
+#include "debug.h"
|
|
+
|
|
+void arch_enable_breakpoint(pid_t pid, struct breakpoint *sbp)
|
|
+{
|
|
+ unsigned int i, j;
|
|
+ const unsigned char break_insn[] = BREAKPOINT_VALUE;
|
|
+ const unsigned char thumb_break_insn[] = THUMB_BREAKPOINT_VALUE;
|
|
+
|
|
+ debug(1, "arch_enable_breakpoint(%d,%p)", pid, sbp->addr);
|
|
+
|
|
+ for (i = 0; i < 1 + ((BREAKPOINT_LENGTH - 1) / sizeof(long)); i++) {
|
|
+ long a =
|
|
+ ptrace(PTRACE_PEEKTEXT, pid, sbp->addr + i * sizeof(long),
|
|
+ 0);
|
|
+ unsigned char *bytes = (unsigned char *)&a;
|
|
+
|
|
+ debug(2, "current = 0x%lx, orig_value = 0x%lx, thumb_mode = %d", a, *(long *)&sbp->orig_value, sbp->thumb_mode);
|
|
+ for (j = 0;
|
|
+ j < sizeof(long)
|
|
+ && i * sizeof(long) + j < BREAKPOINT_LENGTH; j++) {
|
|
+
|
|
+ sbp->orig_value[i * sizeof(long) + j] = bytes[j];
|
|
+ if (!sbp->thumb_mode) {
|
|
+ bytes[j] = break_insn[i * sizeof(long) + j];
|
|
+ }
|
|
+ else if (j < THUMB_BREAKPOINT_LENGTH) {
|
|
+ bytes[j] = thumb_break_insn[i * sizeof(long) + j];
|
|
+ }
|
|
+ }
|
|
+ ptrace(PTRACE_POKETEXT, pid, sbp->addr + i * sizeof(long), a);
|
|
+ }
|
|
+}
|
|
+
|
|
+void arch_disable_breakpoint(pid_t pid, const struct breakpoint *sbp)
|
|
+{
|
|
+ unsigned int i, j;
|
|
+ const unsigned char break_insn[] = BREAKPOINT_VALUE;
|
|
+ const unsigned char thumb_break_insn[] = THUMB_BREAKPOINT_VALUE;
|
|
+
|
|
+ debug(1, "arch_disable_breakpoint(%d,%p)", pid, sbp->addr);
|
|
+
|
|
+ for (i = 0; i < 1 + ((BREAKPOINT_LENGTH - 1) / sizeof(long)); i++) {
|
|
+ long a =
|
|
+ ptrace(PTRACE_PEEKTEXT, pid, sbp->addr + i * sizeof(long),
|
|
+ 0);
|
|
+ unsigned char *bytes = (unsigned char *)&a;
|
|
+
|
|
+ debug(2, "current = 0x%lx, orig_value = 0x%lx, thumb_mode = %d", a, *(long *)&sbp->orig_value, sbp->thumb_mode);
|
|
+ for (j = 0;
|
|
+ j < sizeof(long)
|
|
+ && i * sizeof(long) + j < BREAKPOINT_LENGTH; j++) {
|
|
+
|
|
+ bytes[j] = sbp->orig_value[i * sizeof(long) + j];
|
|
+ }
|
|
+ ptrace(PTRACE_POKETEXT, pid, sbp->addr + i * sizeof(long), a);
|
|
+ }
|
|
+}
|
|
diff -durN ltrace-0.5.orig/sysdeps/linux-gnu/arm/ptrace.h ltrace-0.5/sysdeps/linux-gnu/arm/ptrace.h
|
|
--- ltrace-0.5.orig/sysdeps/linux-gnu/arm/ptrace.h 2006-02-20 22:44:45.000000000 +0100
|
|
+++ ltrace-0.5/sysdeps/linux-gnu/arm/ptrace.h 2008-11-04 19:25:50.000000000 +0100
|
|
@@ -1 +1,9 @@
|
|
#include <sys/ptrace.h>
|
|
+#include <asm/ptrace.h>
|
|
+
|
|
+typedef struct {
|
|
+ int valid;
|
|
+ struct pt_regs regs;
|
|
+ long func_arg[5];
|
|
+ long sysc_arg[5];
|
|
+} proc_archdep;
|
|
diff -durN ltrace-0.5.orig/sysdeps/linux-gnu/arm/regs.c ltrace-0.5/sysdeps/linux-gnu/arm/regs.c
|
|
--- ltrace-0.5.orig/sysdeps/linux-gnu/arm/regs.c 2006-02-20 22:48:07.000000000 +0100
|
|
+++ ltrace-0.5/sysdeps/linux-gnu/arm/regs.c 2008-11-04 19:25:50.000000000 +0100
|
|
@@ -39,5 +39,10 @@
|
|
* a CISC architecture; in our case, we don't need that */
|
|
void *get_return_addr(struct process *proc, void *stack_pointer)
|
|
{
|
|
- return (void *)ptrace(PTRACE_PEEKUSER, proc->pid, off_lr, 0);
|
|
+ long addr = ptrace(PTRACE_PEEKUSER, proc->pid, off_lr, 0);
|
|
+
|
|
+ proc->thumb_mode = addr & 1;
|
|
+ if (proc->thumb_mode)
|
|
+ addr &= ~1;
|
|
+ return (void *)addr;
|
|
}
|
|
diff -durN ltrace-0.5.orig/sysdeps/linux-gnu/arm/trace.c ltrace-0.5/sysdeps/linux-gnu/arm/trace.c
|
|
--- ltrace-0.5.orig/sysdeps/linux-gnu/arm/trace.c 2006-02-20 22:48:07.000000000 +0100
|
|
+++ ltrace-0.5/sysdeps/linux-gnu/arm/trace.c 2008-11-04 19:25:50.000000000 +0100
|
|
@@ -2,6 +2,7 @@
|
|
#include "config.h"
|
|
#endif
|
|
|
|
+#include <string.h>
|
|
#include <sys/types.h>
|
|
#include <sys/wait.h>
|
|
#include <signal.h>
|
|
@@ -9,6 +10,8 @@
|
|
#include <asm/ptrace.h>
|
|
|
|
#include "ltrace.h"
|
|
+#include "output.h"
|
|
+#include "ptrace.h"
|
|
|
|
#if (!defined(PTRACE_PEEKUSER) && defined(PTRACE_PEEKUSR))
|
|
# define PTRACE_PEEKUSER PTRACE_PEEKUSR
|
|
@@ -18,19 +21,25 @@
|
|
# define PTRACE_POKEUSER PTRACE_POKEUSR
|
|
#endif
|
|
|
|
-/* syscall tracing protocol: ArmLinux
|
|
- on the way in, ip is 0
|
|
- on the way out, ip is non-zero
|
|
-*/
|
|
#define off_r0 0
|
|
+#define off_r7 28
|
|
#define off_ip 48
|
|
#define off_pc 60
|
|
|
|
void get_arch_dep(struct process *proc)
|
|
{
|
|
+ proc_archdep *a;
|
|
+
|
|
+ if (!proc->arch_ptr)
|
|
+ proc->arch_ptr = (void *)malloc(sizeof(proc_archdep));
|
|
+ a = (proc_archdep *) (proc->arch_ptr);
|
|
+ a->valid = (ptrace(PTRACE_GETREGS, proc->pid, 0, &a->regs) >= 0);
|
|
}
|
|
|
|
-/* Returns 1 if syscall, 2 if sysret, 0 otherwise.
|
|
+/* Returns 0 if not a syscall,
|
|
+ * 1 if syscall entry, 2 if syscall exit,
|
|
+ * 3 if arch-specific syscall entry, 4 if arch-specific syscall exit,
|
|
+ * -1 on error.
|
|
*/
|
|
int syscall_p(struct process *proc, int status, int *sysnum)
|
|
{
|
|
@@ -40,19 +49,39 @@
|
|
int pc = ptrace(PTRACE_PEEKUSER, proc->pid, off_pc, 0);
|
|
/* fetch the SWI instruction */
|
|
int insn = ptrace(PTRACE_PEEKTEXT, proc->pid, pc - 4, 0);
|
|
+ int ip = ptrace(PTRACE_PEEKUSER, proc->pid, off_ip, 0);
|
|
|
|
- *sysnum = insn & 0xFFFF;
|
|
- /* if it is a syscall, return 1 or 2 */
|
|
- if ((insn & 0xFFFF0000) == 0xef900000) {
|
|
- return ptrace(PTRACE_PEEKUSER, proc->pid, off_ip,
|
|
- 0) ? 2 : 1;
|
|
+ if (insn == 0xef000000 || insn == 0x0f000000) {
|
|
+ /* EABI syscall */
|
|
+ *sysnum = ptrace(PTRACE_PEEKUSER, proc->pid, off_r7, 0);
|
|
+ } else if ((insn & 0xfff00000) == 0xef900000) {
|
|
+ /* old ABI syscall */
|
|
+ *sysnum = insn & 0xfffff;
|
|
+ } else {
|
|
+ /* TODO: handle swi<cond> variations */
|
|
+ /* one possible reason for getting in here is that we
|
|
+ * are coming from a signal handler, so the current
|
|
+ * PC does not point to the instruction just after the
|
|
+ * "swi" one. */
|
|
+ output_line(proc, "unexpected instruction 0x%x at %p", insn, pc - 4);
|
|
+ return -1;
|
|
+ }
|
|
+ if ((*sysnum & 0xf0000) == 0xf0000) {
|
|
+ /* arch-specific syscall */
|
|
+ *sysnum &= ~0xf0000;
|
|
+ return ip ? 4 : 3;
|
|
}
|
|
+ /* ARM syscall convention: on syscall entry, ip is zero;
|
|
+ * on syscall exit, ip is non-zero */
|
|
+ return ip ? 2 : 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
long gimme_arg(enum tof type, struct process *proc, int arg_num)
|
|
{
|
|
+ proc_archdep *a = (proc_archdep *) proc->arch_ptr;
|
|
+
|
|
if (arg_num == -1) { /* return value */
|
|
return ptrace(PTRACE_PEEKUSER, proc->pid, off_r0, 0);
|
|
}
|
|
@@ -60,6 +89,10 @@
|
|
/* deal with the ARM calling conventions */
|
|
if (type == LT_TOF_FUNCTION || type == LT_TOF_FUNCTIONR) {
|
|
if (arg_num < 4) {
|
|
+ if (a->valid && type == LT_TOF_FUNCTION)
|
|
+ return a->regs.uregs[arg_num];
|
|
+ if (a->valid && type == LT_TOF_FUNCTIONR)
|
|
+ return a->func_arg[arg_num];
|
|
return ptrace(PTRACE_PEEKUSER, proc->pid, 4 * arg_num,
|
|
0);
|
|
} else {
|
|
@@ -69,6 +102,10 @@
|
|
}
|
|
} else if (type == LT_TOF_SYSCALL || type == LT_TOF_SYSCALLR) {
|
|
if (arg_num < 5) {
|
|
+ if (a->valid && type == LT_TOF_SYSCALL)
|
|
+ return a->regs.uregs[arg_num];
|
|
+ if (a->valid && type == LT_TOF_SYSCALLR)
|
|
+ return a->sysc_arg[arg_num];
|
|
return ptrace(PTRACE_PEEKUSER, proc->pid, 4 * arg_num,
|
|
0);
|
|
} else {
|
|
@@ -86,4 +123,11 @@
|
|
|
|
void save_register_args(enum tof type, struct process *proc)
|
|
{
|
|
+ proc_archdep *a = (proc_archdep *) proc->arch_ptr;
|
|
+ if (a->valid) {
|
|
+ if (type == LT_TOF_FUNCTION)
|
|
+ memcpy(a->func_arg, a->regs.uregs, sizeof(a->func_arg));
|
|
+ else
|
|
+ memcpy(a->sysc_arg, a->regs.uregs, sizeof(a->sysc_arg));
|
|
+ }
|
|
}
|
|
diff -durN ltrace-0.5.orig/sysdeps/linux-gnu/ppc/arch.h ltrace-0.5/sysdeps/linux-gnu/ppc/arch.h
|
|
--- ltrace-0.5.orig/sysdeps/linux-gnu/ppc/arch.h 2006-06-14 06:55:21.000000000 +0200
|
|
+++ ltrace-0.5/sysdeps/linux-gnu/ppc/arch.h 2008-11-04 19:25:50.000000000 +0100
|
|
@@ -4,9 +4,12 @@
|
|
|
|
#define LT_ELFCLASS ELFCLASS32
|
|
#define LT_ELF_MACHINE EM_PPC
|
|
+
|
|
#ifdef __powerpc64__ // Says 'ltrace' is 64 bits, says nothing about target.
|
|
#define LT_ELFCLASS2 ELFCLASS64
|
|
#define LT_ELF_MACHINE2 EM_PPC64
|
|
+#define ARCH_SUPPORTS_OPD
|
|
+#endif
|
|
|
|
#define PLT_REINITALISATION_BP "_start"
|
|
|
|
@@ -16,6 +19,3 @@
|
|
#if (PPC_NOP_LENGTH != BREAKPOINT_LENGTH)
|
|
#error "Length of the breakpoint value not equal to the length of a nop instruction"
|
|
#endif
|
|
-
|
|
-
|
|
-#endif
|
|
diff -durN ltrace-0.5.orig/testsuite/ltrace.minor/Makefile.in ltrace-0.5/testsuite/ltrace.minor/Makefile.in
|
|
--- ltrace-0.5.orig/testsuite/ltrace.minor/Makefile.in 2006-03-14 00:12:01.000000000 +0100
|
|
+++ ltrace-0.5/testsuite/ltrace.minor/Makefile.in 2008-11-04 19:25:50.000000000 +0100
|
|
@@ -19,7 +19,7 @@
|
|
|
|
.SUFFIXES:
|
|
clean:
|
|
- -rm -f demangle trace-fork trace-clone
|
|
+ -rm -f demangle trace-fork trace-clone trace-exec trace-exec1
|
|
-rm -f time-record-tt time-record-ttt time-record-T
|
|
-rm -f attach-process count-record
|
|
-rm -f print-instruction-pointer
|
|
diff -durN ltrace-0.5.orig/testsuite/ltrace.minor/trace-clone.c ltrace-0.5/testsuite/ltrace.minor/trace-clone.c
|
|
--- ltrace-0.5.orig/testsuite/ltrace.minor/trace-clone.c 2006-03-16 01:38:47.000000000 +0100
|
|
+++ ltrace-0.5/testsuite/ltrace.minor/trace-clone.c 2008-11-04 19:25:50.000000000 +0100
|
|
@@ -21,11 +21,11 @@
|
|
int main ()
|
|
{
|
|
pid_t pid;
|
|
- static char stack[STACK_SIZE];
|
|
+ char stack[STACK_SIZE];
|
|
#ifdef __ia64__
|
|
pid = __clone2((myfunc)&child, stack, STACK_SIZE, CLONE_FS, NULL);
|
|
#else
|
|
- pid = clone((myfunc)&child, stack,CLONE_FS, NULL );
|
|
+ pid = clone((myfunc)&child, stack + STACK_SIZE,CLONE_FS, NULL );
|
|
#endif
|
|
if (pid < 0)
|
|
{
|
|
diff -durN ltrace-0.5.orig/wait_for_something.c ltrace-0.5/wait_for_something.c
|
|
--- ltrace-0.5.orig/wait_for_something.c 2006-02-20 22:48:07.000000000 +0100
|
|
+++ ltrace-0.5/wait_for_something.c 2008-11-04 19:25:50.000000000 +0100
|
|
@@ -71,6 +71,18 @@
|
|
event.thing = LT_EV_SYSRET;
|
|
event.e_un.sysnum = tmp;
|
|
return &event;
|
|
+ case 3:
|
|
+ event.thing = LT_EV_ARCH_SYSCALL;
|
|
+ event.e_un.sysnum = tmp;
|
|
+ return &event;
|
|
+ case 4:
|
|
+ event.thing = LT_EV_ARCH_SYSRET;
|
|
+ event.e_un.sysnum = tmp;
|
|
+ return &event;
|
|
+ case -1:
|
|
+ event.thing = LT_EV_NONE;
|
|
+ continue_process(event.proc->pid);
|
|
+ return &event;
|
|
}
|
|
if (WIFEXITED(status)) {
|
|
event.thing = LT_EV_EXIT;
|