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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
