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Split code that use arch-specific registers to separate arch files.
* sigreturn.c (sys_sigreturn): Move arch-specific code
to linux/*/arch_sigreturn.c, include "arch_sigreturn.c".
* linux/arch_sigreturn.c: New file.
* Makefile.am (EXTRA_DIST): Add linux/arch_sigreturn.c
and linux/*/arch_sigreturn.c 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.
* linux/sparc/syscallent.h (mmap2): Decode with sys_mmap_4koff,
not sys_mmap.
* linux/sparc64/syscallent2.h (mmap2): Decode with sys_mmap_pgoff,
not sys_mmap.
* linux/aarch64/ioctls_inc0.h: Rename from ioctls_inc1.h.
* linux/aarch64/ioctls_inc1.h: Rename from ioctls_inc0.h.
* linux/aarch64/ioctls_arch0.h: Rename from ioctls_arch1.h.
* linux/aarch64/ioctls_arch1.h: Rename from ioctls_arch0.h.
Fix compilation warnings introduced by commit
5b9b7e1d347eb4556084cdccad75e8247c535ed5:
signal.c:702:45: warning: signed and unsigned type in conditional expression [-Wsign-compare]
syscall.c:746:34: warning: initialization from incompatible pointer type [enabled by default]
* syscall.c [AARCH64] (aarch64_sp_ptr): Add explicit cast.
[AARCH64] (arm_sp_ptr): Change pointer type to unsigned.
* linux/aarch64/arch_regs.h (arm_sp_ptr): Update.
Reported-by: Mike Frysinger <vapier@gentoo.org>
* linux/64/syscallent.h (139): Use sys_sigreturn for rt_sigreturn
decoding.
* syscall.c [ARM] (arm_regs): Make static.
[ARM] (arm_sp_ptr): New variable.
[AARCH64] (aarch64_sp_ptr, arm_sp_ptr): New variables.
* linux/aarch64/arch_regs.h: New file.
* linux/arm/arch_regs.h (arm_regs): Remove.
(arm_sp_ptr): New declaration.
* signal.c (sys_sigreturn) [ARM]: Use arm_sp_ptr.
[AARCH64]: Print signal mask.
As ioctls_inc.h generated natively on x32 differs both from 32/ioctls_inc.h
(by 45 entries) and from linux/64/ioctls_inc.h (by 322 entries), use x32
specific ioctl entries on x32 personality.
* linux/x32/ioctls_inc0.h: Generate from linux v3.19 using ioctls_gen.sh.
* linux/x86_64/ioctlent2.h: Remove.
* linux/x86_64/ioctls_arch2.h: New file.
* linux/x86_64/ioctls_inc2.h: New file.
* Makefile.am (EXTRA_DIST): Remove linux/x86_64/ioctlent2.h, add
linux/x86_64/ioctls_arch2.h and linux/x86_64/ioctls_inc2.h.
As an exception to the general rules that syscall names should match
__NR_* constants defined in kernel headers, show select as "select"
and old select as "oldselect".
* linux/arm/syscallent.h (82): Change name to oldselect.
* linux/hppa/syscallent.h (142): Change name to select.
* linux/mips/syscallent-n32.h (6022): Likewise.
* linux/mips/syscallent-n64.h (5022): Likewise.
* linux/mips/syscallent-o32.h (4142): Likewise.
* linux/sparc/syscallent.h (230): Likewise.
* linux/s390/syscallent.h (1, 180, 181): Change syscall names to match
__NR_* constants defined in arch/s390/include/uapi/asm/unistd.h.
* linux/s390x/syscallent.h: Likewise.
* linux/hppa/syscallent.h (18, 28, 59, 84, 108, 109, 280):
Change syscall names to match __NR_* constants defined in
arch/parisc/include/uapi/asm/unistd.h.
Looks like the similarity of these names caused confusion when generating
the syscall table. getresgid was wired to the wrong output while the other
two were wired up to printargs instead of the real printer.
* linux/ia64/syscallent.h: Connect getresuid to sys_getresuid, getresgid to
sys_getresgid, and setresgid to sys_setresgid.
The ia64 port pulls in the i386 syscall table so it can decode
32bit apps, so we need to enable the 16bit uid parsers for it.
* defs.h (NEED_UID16_PARSERS): Define to 1 for IA64.
* linux/ia64/syscallent.h: Undefine sys_stime to avoid redefine warnings.
Assume that the kernel is v2.5.46 or newer, i.e. PTRACE_SETOPTIONS
and PTRACE_O_TRACESYSGOOD|PTRACE_O_TRACEEXEC|PTRACE_O_TRACECLONE
are universally available.
This change removes all code that implemented post-execve SIGTRAP
handling and fork/vfork/clone->CLONE_PTRACE substitution.
* defs.h (TCB_BPTSET, TCB_WAITEXECVE): Remove macros.
(need_fork_exec_workarounds, setbpt, clearbpt): Remove declarations.
* strace.c (need_fork_exec_workarounds,
test_ptrace_setoptions_followfork, test_ptrace_setoptions_for_all):
Remove.
(syscall_trap_sig): Set to (SIGTRAP | 0x80).
(ptrace_setoptions): Set to (PTRACE_O_TRACESYSGOOD | PTRACE_O_TRACEEXEC).
(detach): Do not test for TCB_BPTSET.
(init): Do not call test_ptrace_setoptions_followfork and
test_ptrace_setoptions_for_all. Do not test for TCB_BPTSET.
* syscall.c (syscall_fixup_on_sysenter, internal_fork, internal_exec,
syscall_fixup_for_fork_exec, syscall_fixup_on_sysexit): Remove.
(trace_syscall_entering): Do not test for TCB_WAITEXECVE. Do not call
syscall_fixup_on_sysenter and syscall_fixup_for_fork_exec.
(trace_syscall_exiting): Do not call syscall_fixup_on_sysexit and
syscall_fixup_for_fork_exec.
[IA64] (ia64_ia32mode): Make static.
* linux/ia64/arch_regs.h (ia64_ia32mode): Remove declaration.
* util.c: Do not include "syscall.h".
(arg_setup, get_arg0, get_arg1, set_arg0, set_arg1, restore_arg0,
restore_arg1, arg_finish_change, change_syscall, setbpt, clearbpt):
Remove.
* tests/ptrace_setoptions.test: Remove.
* tests/Makefile.am (TESTS): Remove it.
* linux/inotify.h: Remove.
* Makefile.am (EXTRA_DIST): Remove it.
* inotify.c: Do not include <linux/inotify.h>.
* xlat/inotify_flags.in: Add default values.
* linux/mips/arch_regs.h (struct mips_regs): New structure.
(mips_REG_*): New macros.
* signal.c (sys_sigreturn) [MIPS]: Use mips_REG_SP.
* syscall.c [MIPS] (struct mips_regs): New variable.
[MIPS] (ARCH_REGS_FOR_GETREGS): New macro.
(mips_a3, mips_r2): Remove.
(print_pc) [MIPS]: Use mips_REG_EPC.
(get_scno) [MIPS]: Use mips_REG_V0 and mips_REG_A3.
(get_syscall_args) [MIPS]: Use mips_REG_A[0-5].
(get_syscall_result) [MIPS]: Remove.
(get_error) [MIPS]: Use mips_REG_A3 and mips_REG_V0.
Some gcc versions complain about assigning long* to uint32_t* on i386.
* syscall.c [I386] (i386_esp_ptr): Change type from uint32_t* to long*.
* linux/i386/arch_regs.h (i386_esp_ptr): Likewise.
* linux/x86_64/arch_regs.h: Do not include "i386/arch_regs.h".
(i386_esp_ptr): New prototype.
* regs.h: New file.
* Makefile.am (strace_SOURCES): Add it.
* linux/arch_regs.h: New file.
* linux/alpha/arch_regs.h: Likewise.
* linux/arm/arch_regs.h: Likewise.
* linux/hppa/arch_regs.h: Likewise.
* linux/i386/arch_regs.h: Likewise.
* linux/ia64/arch_regs.h: Likewise.
* linux/mips/arch_regs.h: Likewise.
* linux/powerpc/arch_regs.h: Likewise.
* linux/sh64/arch_regs.h: Likewise.
* linux/sparc/arch_regs.h: Likewise.
* linux/sparc64/arch_regs.h: Likewise.
* linux/tile/arch_regs.h: Likewise.
* linux/x86_64/arch_regs.h: Likewise.
* Makefile.am (EXTRA_DIST): Add them.
* defs.h: Remove definitions of PTRACE_*, REG_*, PT_*, U_REG_*,
and ARM_* macros.
Remove declarations of struct pt_regs variables.
[SPARC]: Do not include <asm/psr.h>.
[SPARC64]: Do not include <asm/psrcompat.h>.
* bjm.c: Do not include <sys/user.h>.
* process.c: Include "regs.h".
Do not include <sys/user.h> and <sys/reg.h>.
[IA64]: Do not include <asm/ptrace_offsets.h> and <asm/rse.h>.
* util.c: Likewise.
* syscall.c: Likewise.
[AARCH64]: Define struct arm_pt_regs and ARM_* macros.
[SPARC]: Include <asm/psr.h>.
[SPARC64]: Include <asm/psrcompat.h>.
* signal.c: Include "regs.h".
Do not include <sys/user.h> and <sys/reg.h>.
[IA64]: Do not include <asm/ptrace_offsets.h>.
* strace.c [IA64]: Do not include <asm/ptrace_offsets.h>.
This fixes an obvious typo which prints "lock" instead of "getpeername"
for the getpeername syscall.
* linux/hppa/syscallent.h (getpeername): Change sys_name to "getpeername".
Historically, only 16 bits (8-bit number and 8-bit type) of 32-bit ioctl
commands were used for decoding, which was the source for numerous
annoying collisions like this:
ioctl(0, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B38400 opost isig icanon echo ...}) = 0
ioctl(0, MGSL_IOCGPARAMS or MMTIMER_GETRES or MTIOCTOP or SNDCTL_MIDI_MPUMODE, 0x7fffd47f7338) = -1 ENOTTY (Inappropriate ioctl for device)
The solution is to use all 32 bits for decoding, not just "number" and
"type", but also "size" and "direction".
As some architectures override defaults that come from asm-generic/ and
provide alternative definitions for some ioctl commands, we support
per-architecture ioctl definitions and merge them with common
definitions at build time. During the merge, we used to keep both
generic and architecture-specific definitions, now architecture-specific
definitions have precedence over generic ones -- ioctlsort omits
definitions from asm-generic/ for those ioctl names that have different
definitions in asm/.
Additional bits of "direction" are architecture specific -- the number
of bits and their values differ between architectures. To reduce
architecture differences in the source code, we keep "direction" in
symbolic form and compile it in ioctlsort.
Additional bits of "size" are also architecture specific -- not only the
number of bits differ between architectures, but sizes of many types
depend on sizeof(long). To reduce architecture differences in the
source code, we keep 32-bit and 64-bit versions of common ioctl
definitions, and use the appropriate version for each architecture and
personality.
To implement this, the tools for generating ioctl definitions from
kernel headers have been rewritten, and the source format of ioctl
definitions has been extended. The final ioctlent*.h files that are
included by syscall.c are now generated from source ioctls_inc*.h and
ioctls_arch*.h files at build time with ioctlsort.
* ioctl.c (ioctl_lookup): Use all 32 bits of ioctl command code.
* ioctlsort.c: Rewritten.
* linux/32/ioctls_inc.h: New file.
* linux/64/ioctls_inc.h: New file.
* linux/aarch64/ioctls_arch0.h: New file.
* linux/aarch64/ioctls_arch1.h: New file.
* linux/aarch64/ioctls_inc0.h: New file.
* linux/aarch64/ioctls_inc1.h: New file.
* linux/alpha/ioctls_arch0.h: New file.
* linux/alpha/ioctls_inc0.h: New file.
* linux/arc/ioctls_arch0.h: New file.
* linux/arc/ioctls_inc0.h: New file.
* linux/arm/ioctls_arch0.h: New file.
* linux/arm/ioctls_inc0.h: New file.
* linux/avr32/ioctls_arch0.h: New file.
* linux/avr32/ioctls_inc0.h: New file.
* linux/bfin/ioctls_arch0.h: New file.
* linux/bfin/ioctls_inc0.h: New file.
* linux/hppa/ioctls_arch0.h: New file.
* linux/hppa/ioctls_inc0.h: New file.
* linux/i386/ioctls_arch0.h: New file.
* linux/i386/ioctls_inc0.h: New file.
* linux/ia64/ioctls_arch0.h: New file.
* linux/ia64/ioctls_inc0.h: New file.
* linux/m68k/ioctls_arch0.h: New file.
* linux/m68k/ioctls_inc0.h: New file.
* linux/metag/ioctls_arch0.h: New file.
* linux/metag/ioctls_inc0.h: New file.
* linux/microblaze/ioctls_arch0.h: New file.
* linux/microblaze/ioctls_inc0.h: New file.
* linux/mips/ioctls_arch0.h: New file.
* linux/mips/ioctls_inc0.h: New file.
* linux/or1k/ioctls_arch0.h: New file.
* linux/or1k/ioctls_inc0.h: New file.
* linux/powerpc/ioctls_arch0.h: New file.
* linux/powerpc/ioctls_inc0.h: New file.
* linux/powerpc64/ioctls_arch0.h: New file.
* linux/powerpc64/ioctls_arch1.h: New file.
* linux/powerpc64/ioctls_inc0.h: New file.
* linux/powerpc64/ioctls_inc1.h: New file.
* linux/s390/ioctls_arch0.h: New file.
* linux/s390/ioctls_inc0.h: New file.
* linux/s390x/ioctls_arch0.h: New file.
* linux/s390x/ioctls_inc0.h: New file.
* linux/sh/ioctls_arch0.h: New file.
* linux/sh/ioctls_inc0.h: New file.
* linux/sh64/ioctls_arch0.h: New file.
* linux/sh64/ioctls_inc0.h: New file.
* linux/sparc/ioctls_arch0.h: New file.
* linux/sparc/ioctls_inc0.h: New file.
* linux/sparc64/ioctls_arch0.h: New file.
* linux/sparc64/ioctls_arch2.h: New file.
* linux/sparc64/ioctls_inc0.h: New file.
* linux/sparc64/ioctls_inc2.h: New file.
* linux/tile/ioctls_arch0.h: New file.
* linux/tile/ioctls_arch1.h: New file.
* linux/tile/ioctls_inc0.h: New file.
* linux/tile/ioctls_inc1.h: New file.
* linux/x32/ioctls_arch0.h: New file.
* linux/x32/ioctls_arch1.h: New file.
* linux/x32/ioctls_inc0.h: New file.
* linux/x32/ioctls_inc1.h: New file.
* linux/x86_64/ioctls_arch0.h: New file.
* linux/x86_64/ioctls_arch1.h: New file.
* linux/x86_64/ioctls_inc0.h: New file.
* linux/x86_64/ioctls_inc1.h: New file.
* linux/xtensa/ioctls_arch0.h: New file.
* linux/xtensa/ioctls_inc0.h: New file.
* linux/aarch64/ioctlent.h.in: Remove.
* linux/aarch64/ioctlent1.h: Remove.
* linux/alpha/ioctlent.h.in: Remove.
* linux/arc/ioctlent.h.in: Remove.
* linux/arm/ioctlent.h.in: Remove.
* linux/avr32/ioctlent.h.in: Remove.
* linux/bfin/ioctlent.h.in: Remove.
* linux/hppa/ioctlent.h.in: Remove.
* linux/i386/ioctlent.h.in: Remove.
* linux/ia64/ioctlent.h.in: Remove.
* linux/ioctlent.h.in: Remove.
* linux/ioctlent.sh: Remove.
* linux/m68k/ioctlent.h.in: Remove.
* linux/metag/ioctlent.h.in: Remove.
* linux/microblaze/ioctlent.h.in: Remove.
* linux/mips/ioctlent.h.in: Remove.
* linux/mips/ioctlent.sh: Remove.
* linux/or1k/ioctlent.h.in: Remove.
* linux/powerpc/ioctlent.h.in: Remove.
* linux/powerpc64/ioctlent.h: Remove.
* linux/powerpc64/ioctlent1.h: Remove.
* linux/s390/ioctlent.h.in: Remove.
* linux/s390x/ioctlent.h.in: Remove.
* linux/sh/ioctlent.h.in: Remove.
* linux/sh64/ioctlent.h.in: Remove.
* linux/sparc/ioctlent.h.in: Remove.
* linux/sparc64/ioctlent.h.in: Remove.
* linux/sparc64/ioctlent2.h: Remove.
* linux/tile/ioctlent.h.in: Remove.
* linux/tile/ioctlent1.h: Remove.
* linux/x32/ioctlent.h.in: Remove.
* linux/x32/ioctlent1.h: Remove.
* linux/x86_64/ioctlent.h.in: Remove.
* linux/x86_64/ioctlent1.h: Remove.
* linux/xtensa/ioctlent.h.in: Remove.
* linux/x86_64/ioctlent2.h: Include ioctlent0.h instead of ioctlent.h.
* syscall.c (struct_ioctlent ioctlent0): Likewise.
* Makefile.am: Remove all ioctlent-related definitions.
Define the list of ioctlent*.h files that have to be generated by
presence of $(srcdir)/$(OS)/$(ARCH)/ioctls_inc*.h files.
Add rules for ioctlent*.h files generation.
(EXTRA_DIST): Update.
* maint/ioctls_gen.sh: New file.
* maint/ioctls_hex.sh: New file.
* maint/ioctls_sym.sh: New file.
* maint/print_ioctlent.c: New file.
* HACKING-scripts: Update for ioctlent.sh -> ioctls_gen.sh migration.
* .gitignore: Add ioctlent[012].h and ioctls_all[012].h.
* configure.ac (AC_CHECK_HEADERS): Add linux/hiddev.h
and linux/mmtimer.h for tests.
* tests/ioctl.c: New file.
* tests/ioctl.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add ioctl.
(TESTS): Add ioctl.test.
* tests/.gitignore: Add ioctl.
Most architectures supported by strace have their own subdirectory in
linux directory, but powerpc64 didn't, causing inconveniences.
* configure.ac (arch): Define to "powerpc64" on powerpc64.
* linux/powerpc/errnoent1.h: Move to linux/powerpc64/.
* linux/powerpc/ioctlent1.h: Likewise.
* linux/powerpc/signalent1.h: Likewise.
* linux/powerpc/syscallent1.h: Likewise.
* linux/powerpc64/ioctlent.h: New file.
* linux/powerpc64/syscallent.h: Likewise.
* linux/powerpc64/userent.h: Likewise.
* Makefile.am (EXTRA_DIST): Remove linux/powerpc/ioctlent1.h,
linux/powerpc/syscallent1.h, linux/powerpc/errnoent1.h, and
linux/powerpc/signalent1.h; added linux/powerpc64/errnoent1.h,
linux/powerpc64/ioctlent.h, linux/powerpc64/ioctlent1.h,
linux/powerpc64/signalent1.h, linux/powerpc64/syscallent.h,
linux/powerpc64/syscallent1.h, and linux/powerpc64/userent.h.
