5 Commits

Author SHA1 Message Date
38a34c9349 Add copyright headers to some files which lack them
Before this change, all files that exist since 20th century had
copyright headers, while most files that appeared later didn't.  This
change fixes the inconsistency by adding missing copyright headers.

It doesn't mean that copyright headers became maintained.  In my view,
git history provides much better information on this subject and is much
more accurate than copyright headers.
2015-12-17 17:56:48 +00:00
16510517f1 cleanup: make get_scno.c files more readable
Make get_scno.c files more self-contained.  While they are still
being included by syscall.c, the latter no longer provides
a function framework for them.

* linux/aarch64/get_scno.c (arch_get_scno): Define.
* linux/alpha/get_scno.c: Likewise.
* linux/arc/get_scno.c: Likewise.
* linux/arm/get_scno.c: Likewise.
* linux/avr32/get_scno.c: Likewise.
* linux/bfin/get_scno.c: Likewise.
* linux/crisv10/get_scno.c: Likewise.
* linux/hppa/get_scno.c: Likewise.
* linux/i386/get_scno.c: Likewise.
* linux/ia64/get_scno.c: Likewise.
* linux/m68k/get_scno.c: Likewise.
* linux/metag/get_scno.c: Likewise.
* linux/microblaze/get_scno.c: Likewise.
* linux/mips/get_scno.c: Likewise.
* linux/nios2/get_scno.c: Likewise.
* linux/or1k/get_scno.c: Likewise.
* linux/powerpc/get_scno.c: Likewise.
* linux/powerpc64/get_scno.c: Likewise.
* linux/s390/get_scno.c: Likewise.
* linux/sh/get_scno.c: Likewise.
* linux/sh64/get_scno.c: Likewise.
* linux/sparc/get_scno.c: Likewise.
* linux/sparc64/get_scno.c: Likewise.
* linux/tile/get_scno.c: Likewise.
* linux/x86_64/get_scno.c: Likewise.
* linux/xtensa/get_scno.c: Likewise.
* syscall.c (arch_get_scno): New declaration.
Include "get_scno.c" in file scope.
(get_scno): Use arch_get_scno.

Requested-by: Denys Vlasenko <dvlasenk@redhat.com>
2015-11-30 01:46:52 +00:00
6c8ef051f7 Consistently use error_msg instead of fprintf(stderr)
* linux/alpha/get_scno.c: Use error_msg.
* linux/arm/get_scno.c: Likewise.
* linux/mips/get_scno.c: Likewise.
* linux/sh/get_scno.c: Likewise.
* linux/x86_64/get_scno.c: Likewise.
* exit.c (sys_exit): Likewise.
* pathtrace.c (pathtrace_select, pathtrace_match): Likewise.
* strace.c (alloctcb, droptcb, detach, startup_attach,
test_ptrace_seize, init, cleanup, print_debug_info,
maybe_allocate_tcb, startup_tcb, trace): Likewise.
* syscall.c (update_personality, trace_syscall_exiting,
get_scno): Likewise.
* unwind.c (DPRINTF): Likewise.
* tests/bexecve.test: Update patterns.
* tests/detach-stopped.test: Likewise.
2015-05-25 23:31:31 +00:00
9945ec97c6 arm: fix v4.10-25-g8497b62 fallout
Starting with commit v4.10-25-g8497b62,

arm$ ./strace true
pid 1234 stray syscall exit
Segmentation fault

Fix this by updating ARM syscall sanity check.
In particular, get_scno() should not set TCB_INSYSCALL flag because
other code assumes that s_ent is properly initialized when this flag
is set.

* linux/arm/get_scno.c: Check syscall number after fetching.
Do not apply the check to SCNO_IN_RANGE syscalls.
Do not set TCB_INSYSCALL flag.
Extend diagnostics and move it to debug level.
2015-03-24 01:41:51 +00:00
d70d1c4aa6 syscall.c: split arch specific code into separate arch files
Split code that use arch-specific registers to separate arch files.

* syscall.c: Move definitions of variables containing fetched registers
to linux/*/arch_regs.c files.
[HAVE_GETRVAL2] (getrval2): Move arch-specific code
to linux/*/arch_getrval2.c, include "arch_getrval2.c".
(print_pc): Move arch-specific code to linux/*/print_pc.c files,
include "print_pc.c".
[X86_64] (x86_64_getregs_old): Rename to getregs_old, move to
linux/x86_64/getregs_old.c, include "getregs_old.c".
[POWERPC] (powerpc_getregs_old): Rename to getregs_old, move to
linux/powerpc/getregs_old.c, include "getregs_old.c".
(get_regs) [X86_64, POWERPC]: Update callers.
(get_scno): Move arch-specific code to linux/*/get_scno.c,
include "get_scno.c".
(get_syscall_args): Move arch-specific code
to linux/*/get_syscall_args.c, include "get_syscall_args.c".
(get_error): Move arch-specific code to linux/*/get_error.c,
include "get_error.c".
(get_syscall_result): Move arch-specific code
to linux/*/get_syscall_result.c, include "get_syscall_result.c".
* Makefile.am (EXTRA_DIST): Add new linux/*/*.c files.
2015-03-23 22:24:59 +00:00