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* syscall.c (internal_syscall): Change conditions for internal_exit,
internal_fork, internal_clone, internal_exec and internal_wait
calls from switching on known scno values to switching on known
sysent[tcp->scno].sys_func values.
Fixes RH#179740.
Show system call summary for each personality.
* syscall.c (countv): New call_counts pointers array.
(counts): Convert to macro wrapper around countv.
(call_summary_pers): New function.
(call_summary): Use it for each personality.
Fixes RH#192193.
Make several global variables static.
#ifdef definitions of rarely unused functions.
* defs.h (rflag, tflag, outfname): Remove.
* strace.c (iflag, interactive, pflag_seen, rflag, tflag,
outfname, username): Make static.
* desc.c (sys_getdtablesize): Define only for
ALPHA || FREEBSD || SUNOS4.
* file.c (sys_fchroot): Define only for SUNOS4 || SVR4.
(sys_mkfifo): Define only for FREEBSD.
* mem.c (sys_sbrk): Define only for FREEBSD || SUNOS4.
(sys_getpagesize): Define only for
ALPHA || FREEBSD || IA64 || SUNOS4 || SVR4.
* net.c (sys_so_socket): Define only for SVR4.
* process.c (sys_gethostid): Define only for
FREEBSD || SUNOS4 || SVR4.
(sys_gethostname): Define only for
ALPHA || FREEBSD || SUNOS4 || SVR4.
(sys_setpgrp): Define only for ALPHA || SUNOS4 || SVR4.
(sys_execv): Define only for SPARC || SPARC64 || SUNOS4.
* signal.c (sys_sigblock): Define only for FREEBSD || SUNOS4.
(sys_sighold, sys_sigwait): Define only for SVR4.
(sys_killpg): Define only for FREEBSD || SUNOS4.
* stream.c (sys_getmsg): Define only for
SPARC || SPARC64 || SUNOS4 || SVR4.
* syscall.c (sys_indir): Define only for SUNOS4.
* defs.h [LINUXSPARC] (PERSONALITY0_WORDSIZE, PERSONALITY1_WORDSIZE):
New macros.
[SPARC64] (PERSONALITY2_WORDSIZE): New macro.
[X86_64] (PERSONALITY0_WORDSIZE, PERSONALITY1_WORDSIZE): New macros.
* syscall.c (PERSONALITY0_WORDSIZE): New macro if undefined.
(personality_wordsize): New variable.
(decode_subcall): Use it for size of argument words.
Fixes RH#174354.
Implement qual_flags support for each personality.
* strace.c (main): Move qualify calls after set_personality call.
* syscall.c (qual_flags0): New variable..
[SUPPORTED_PERSONALITIES >= 2] (qual_flags1): New variable.
[SUPPORTED_PERSONALITIES >= 3] (qual_flags2): New variable.
(qual_flags): Change variable definition from array to pointer.
(set_personality): Initialize qual_flags variable.
(qualify_one): Add "pers" argument to specify personality.
[SUPPORTED_PERSONALITIES >= 2]: Set qual_flags1 if requested.
[SUPPORTED_PERSONALITIES >= 3]: Set qual_flags2 if requested.
(qual_syscall): Pass personality to qualify_one.
[SUPPORTED_PERSONALITIES >= 2]: Look for syscall also in sysent1
table.
[SUPPORTED_PERSONALITIES >= 3]: Look for syscall also in sysent2
table.
(qual_signal): Pass personality to qualify_one.
(qual_desc): Likewise.
(qualify): Use qualify_one instead of manual qual_flags
manipulations.
[SUPPORTED_PERSONALITIES >= 2]: Look for syscall also in sysent1
table.
[SUPPORTED_PERSONALITIES >= 3]: Look for syscall also in sysent2
table.
* defs.h: Update qual_flags declaration.
Fixes RH#173986.
* syscall.c (qual_signal): Check bounds for numeric signal names.
Fix parser of symbolic signal names.
Fix return code, as required by qualify() function.
* syscall.c (qual_desc): Check bounds for descriptor number.
* syscall.c (qual_syscall): Correct return code, to be consistent
with qualify() and other qual_* functions.
Fixes RH#143362.
* syscall.c (qual_options): Add const to defn.
Update all uses.
(call_count, error_count, tv_count): Variables removed.
(struct call_counts, counts): New type and variable.
Update all users of the old three to use the new array of structs.
(trace_syscall): Allocate counts on first use.
(sorted_count): Variable removed.
(call_summary): Allocate locally.
* process.c (internal_wait): Take second arg giving index of flags
argument.
* defs.h: Update prototype.
* syscall.c (internal_syscall): Update caller.
Also use internal_wait for SYS_waitid.
* process.c (sys_waitid): Define for [LINUX] as well.
Don't tweak TCB_SUSPENDED--internal_wait does that.
(waitid_types): Conditionalize use of nonstandard P_* macros.
* linux/sparc/syscallent.h: Sync with reality.
* linux/sparc/syscall.h (sys_sendfile64, sys_futex, sys_gettid,
sys_sched_setaffinity, sys_sched_getaffinity, sys_setxattr,
sys_lsetxattr, sys_fsetxattr, sys_getxattr, sys_lgetxattr,
sys_fgetxattr, sys_listxattr, sys_llistxattr, sys_flistxattr,
sys_removexattr, sys_lremovexattr, sys_fremovexattr,
sys_remap_file_pages, sys_readahead, sys_tgkill, sys_statfs64,
sys_fstatfs64, sys_clock_settime, sys_clock_gettime,
sys_clock_getres, sys_clock_nanosleep, sys_timer_create,
sys_timer_settime, sys_timer_gettime): New declarations.
* linux/sparc64/dummy2.h, linux/sparc64/syscallent2.h,
linux/sparc64/syscall.h, linux/sparc64/errnoent.h,
linux/sparc64/errnoent1.h, linux/sparc64/errnoent2.h,
linux/sparc64/ioctlent.h, linux/sparc64/ioctlent1.h,
linux/sparc64/ioctlent2.h, linux/sparc64/signalent.h,
linux/sparc64/signalent.h, linux/sparc64/signalent.h,
linux/sparc64/signalent1.h, linux/sparc64/signalent2.h,
linux/sparc64/syscall1.h, linux/sparc64/syscallent.h,
linux/sparc64/syscallent1.h: New files.
* defs.h (LINUXSPARC): Define also when SPARC64.
(LINUX && SPARC64): Set SUPPORTED_PERSONALITIES to 3.
Ignore SIGTRAP after execve by defining TCB_WAITEXECVE.
Define possibly missing __NR_exit_group. Declare getrval2.
* configure.ac (sparc64): New architecture case.
* config.h.in (SPARC64): New define.
* file.c (stat_sparc64): New structure.
(printstat_sparc64): New output routine for that.
(printstat): Call it, if personality is 2.
(printstat64): Likewise.
* util.c: Conditionalize ptrace defines on LINUXSPARC
not LINUX && SPARC.
(SPARC64 && LINUX): Define r_pc to r_tpc, and PTRACE_FOOREGS
to PTRACE_FOOREGS64 so that more sparc code can be shared
between 64-bit and 32-bit.
(_hack_syscall5): Correct trap number when SPARC64.
(PTRACE_WRITE{TEXT,DATA}): Add SPARC64 to ifdef guard.
(getpc): Handle SPARC64 && LINUX.
(printcall): Likewise.
(arg fetching/setting): Use same code for SPARC64 LINUX
as for SPARC.
(setbpt): Handle SPARC64 && LINUX.
(clearbpt): Likewise.
* signal.c: Conditionalize ptrace defines on SPARC and
SPARC64.
(SPARC64 && LINUX): Define r_pc to r_tpc, and PTRACE_FOOREGS
to PTRACE_FOOREGS64 so that more sparc code can be shared
between 64-bit and 32-bit.
(m_siginfo): Use same definition on SPARC64 as SPARC.
(sys_sigreturn): Handle LINUX && SPARC64.
* syscall.c: Conditionalize ptrace defines on SPARC and
SPARC64.
(SPARC64 && LINUX): Define r_pc to r_tpc, and PTRACE_FOOREGS
to PTRACE_FOOREGS64 so that more sparc code can be shared
between 64-bit and 32-bit.
(getscno): Use same static state on SPARC64 as SPARC,
and add SPARC64 handling.
(get_error): Handle LINUX && SPARC64.
(force_result): Likewise.
(syscall_enter): Likewise.
(trace_syscall): Handle sys_socketcall and sys_ipc on SPARC64
just like SPARC.
(getrval2): Handle LINUX && SPARC64.
* process.c: Conditionalize ptrace defines on SPARC and
SPARC64.
(SPARC64 && LINUX): Define r_pc to r_tpc, and PTRACE_FOOREGS
to PTRACE_FOOREGS64 so that more sparc code can be shared
between 64-bit and 32-bit.
(change_syscall): Handle LINUX && SPARC64.
(struct_user_offsets): Ifdef out those which do not exist
on SPARC64.
* net.c (sys_pipe): Handle LINUX && SPARC64.
* ioctl.c: Fix initializer typo for nioctlents2, was
nioctlents1 by accident.
* configure.ac: Check for `struct pt_all_user_regs'
and `struct ia64_fpreg' in <sys/ptrace.h>.
* util.c, process.c, syscall.c: Work around conflicts between
<sys/ptrace.h> and <linux/ptrace.h> for defining those types.
* defs.h [LINUX && IA64]: Declare getrval2 also on IA64.
* net.c (sys_pipe) [LINUX && IA64]: For IA64 use the two return values.
* syscall.c (getrval2) [LINUX && IA64]: Implement for IA64.
* process.c (internal_exit): For ia64, also recognize IA-32 252
as exit_group().
(change_syscall): For IA64, also support changing IA-32 syscalls.
* syscall.c (internal_syscall): For IA64, also recognize IA-32
syscall 252 (exit_group) as an internal_exit() syscall.
* util.c (SYS_fork): For IA64, define them to the IA-32 syscall
number.
(SYS_vfork): Likewise.
(arg_setup): For IA64 version, also support IA-32 syscalls.
(get_arg0): Likewise.
(get_arg1): Likewise.
(set_arg0): Likewise.
(set_arg1): Likewise.
* syscall.c (get_scno) [LINUX] [S390 || S390X]: Bail out of
instruction decoding branch if TCB_INSYSCALL is clear.
Reported by <jochen@penguin-breeder.org>.
Various fixes for SuperH [SH]:
* mem.c (sys_old_mmap): mmap() parameters passed in registers
* net.c (sys_pipe), syscall.c (getrval2): pipe() results returned
in registers
* process.c (change_syscall): Fixed register which holds system
call number
* util.c (arg0_offset, arg1_offset): provide definition
* Makefile.am: Added new files in linux/sh
* linux/sh/syscallent.h: New file.
* linux/sh/errnoent.h: New file.
* linux/sh/ioctlent.h: New file.
* linux/sh/signalent.h: New file.
FreeBSD rfork support changes from Russ Cox <rsc@plan9.bell-labs.com>:
* syscall.c (internal_syscall): Handle SYS_rfork with internal_fork.
* process.c (internal_fork) [SYS_rfork]: Bail if RFPROC flag not set.
* configure.ac: Match powerpc* (includes powerpc64), and don't match
ppc (never comes out of config.sub).
* process.c (sys_ptrace): Use #lx format for address argument.
[POWERPC]: Use sizeof(unsigned long) in place of 4 for multipliers.
* process.c [POWERPC]: Likewise.
* signal.c (sys_sigreturn) [POWERPC]: Likewise.
* syscall.c (get_scno) [POWERPC]: Likewise.
* util.c [POWERPC]: Likewise.
(printnum): Use long for NUM.
From Anton Blanchard <anton@samba.org>.
Support for new Linux 2.5 thread features.
* defs.h [LINUX]: Define __NR_exit_group if not defined.
(struct tcb): New members nclone_threads, nclone_detached,
and nclone_waiting.
(TCB_CLONE_DETACHED, TCB_CLONE_THREAD, TCB_GROUP_EXITING): New macros.
(waiting_parent): Macro removed.
(pid2tcb): Declare it.
* process.c (internal_clone) [TCB_CLONE_THREAD]: Reparent the new
child to our parent if we are a CLONE_THREAD child ourselves.
Maintain TCB_CLONE_THREAD and TCB_CLONE_DETACHED flags and counts.
(internal_wait) [TCB_CLONE_THREAD]: Factor out detached children when
determining if we have any. If TCB_CLONE_THREAD is set, check
parent's children instead of our own, and bump nclone_waiting count.
(internal_exit) [__NR_exit_group]: Set the TCB_GROUP_EXITING flag if
the syscall was exit_group.
* syscall.c (internal_syscall): Use internal_exit for exit_group.
* strace.c (pid2tcb): No longer static.
(alloctcb) [TCB_CLONE_THREAD]: Initialize new fields.
(droptcb) [TCB_CLONE_THREAD]: Maintain new fields.
If we have thread children, set TCB_EXITING and don't clear the TCB.
(resume) [TCB_CLONE_THREAD]: Decrement parent's nclone_waiting.
(detach) [TCB_CLONE_THREAD]: When calling resume, check all thread
children of our parent that might be waiting for us too.
[TCB_GROUP_EXITING] (handle_group_exit): New function.
(trace) [TCB_GROUP_EXITING]: Use that in place of detach or droptcb.
* syscall.c (qualify_one): New function.
(qual_options): Replace lookup field with qualify, update initializer.
(qualify): Update caller.
(qual_signal, qual_fault, qual_desc): Rewritten from lookup_*.
(qual_syscall): Rewritten lookup_syscall, match name more than once.
Fixes RH#70579, bites IA64 -efoo when foo exists on IA32.
* syscall.c (force_result): New function.
* process.c (internal_wait): Handle ECHILD exit from wait call with
WNOHANG flag set; force the return value to 0 in the inferior when it
has live children we are tracing.
* configure.in: Fix regular expressions.
* linux/syscall.h: Added missing braces in prototype of
sys_getdents64().
* file.c: Use '#ifdef LINUX' instead of '#ifdef linux'.
(struct fileflags): Made extern to inhibit compiation warnings.
(sys_getdents64): Merged LINUX and SVR4 part.
* syscall.c(get_scno): Split multiline string into two distinct
strings.
Another bunch of patches from John Hughes merged:
signal.c:
+ SVR4 printcontext(): sigset_t != sigset_t*
+ getcontext returns a value, so print on exit of syscall
+ add UC_FP to ucontext_flags for OS writers that can't spell
+ sys_signal(): special case SIG_{ERR,DFL,IGN}
+ decode_subcall(): only do subcall range checking when needed
bunch of UnixWare updates
aclocal.m4, acconfig.h, configure.in: add test for long long type
with development kernels
bjm.c: sys_query_module: check if malloc succeeds
system.c: sys_cap[gs]et(): check if malloc succeeds, only malloc once
linux/syscallent.h: updated for 2.3.99pre3
linux/alpha/syscallent.h: updated for 2.3.99pre3, add all osf syscalls
even though Linux doesn't implement them
syscall.c: add global variables for MIPS registers as well
syscall.c: move global variables to before get_scno since that uses them
util.c: oops, misspelled defined
process.c: fix ptrace calls in change_syscall
mem.c: decode sys_madvise
Merge patch from Topi Miettinen <Topi.Miettinen@nic.fi>
+ add support for quotactl, fdatasync, mlock, mlockall, munlockall & acct
+ small fix for RLIMIT_* and RUSAGE_BOTH
+ enhace support for capget and capset
test/.cvsignore: new file
defs.h: Up maximum number of traced processed to 64
strace.c: Disable some debugging code from davidm
implement setarg for more architectures
implement change_syscall
