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Include "ptrace.h" before any header that can include <signal.h>
because on some architectures the latter may include <asm/sigcontext.h>
which in turn may include <asm/ptrace.h> with potentially devastating
effect on <sys/ptrace.h>.
* process.c: Include "ptrace.h" before "regs.h".
* rt_sigframe.c: Likewise.
* sigreturn.c: Include "ptrace.h" before "nsig.h".
* syscall.c: Likewise.
* wait.c: Include "ptrace.h" before <sys/wait.h>.
* strace.c: Include "ptrace.h" before <signal.h>.
* tests/ptrace.c: Likewise.
* tests/test_ucopy.c: Include <sys/ptrace.h> before <signal.h>.
Remove temporary macros created for transition from long
to kernel_ulong_t.
Automatically replace PRI_kr[dux] with PRI_kl[dux] using
$ git grep -l 'PRI_kr[dux]' | xargs sed -ri 's/PRI_kr([dux])/PRI_kl\1/g'
* defs.h (PRI_krd, PRI_kru, PRI_krx): Remove. All users updated.
Remove temporary types created for transition from long
to kernel_ulong_t.
Automatically replace kernel_scno_t and kernel_ureg_t with
kernel_ulong_t using
$ git grep -El 'kernel_(scno|ureg)_t' |
xargs sed -ri 's/kernel_(scno|ureg)_t/kernel_ulong_t/g'
* kernel_types.h (kernel_scno_t, kernel_ureg_t): Remove.
All users updated.
Prepare for the change of kernel_ureg_t and kernel_scno_t from
unsigned long to kernel_ulong_t.
* defs.h (PRI_krd, PRI_kru, PRI_krx): New temporary macros.
All users updated.
* process.c (print_user_offset_addr): Change address argument type
from unsigned long to kernel_ureg_t.
(SYS_FUNC(ptrace)): Change addr variable type from unsigned long
to kernel_ureg_t.
* process.c (SYS_FUNC(ptrace)): Remove syserror checks as both
print_siginfo_array and print_seccomp_fprog do the right thing
by using umoven_or_printaddr.
Introduce a new type iov_decode which will be used instead of the integer
"decode" as a parameter.
* defs.h (iov_decode): New enum.
(tprint_iov, tprint_iov_upto): Change type of "decode_iov" to enum iov_decode.
* aio.c (print_iocb): Change type of "decode_iov" to enum iov_decode in
tprint_iov() call.
* keyctl.c (keyctl_instantiate_key_iov): Likewise.
* process.c (ptrace): Likewise.
* process_vm.c (process_vm_readv, process_vm_writev): Likewise.
* io.c (writev, do_pwritev, vmsplice): Likewise.
(print_iovec): Replace the condition with a switch.
(tprint_iov_upto): Change type of "decode_iov" to enum iov_decode.
(readv, do_preadv): Change type of "decode_iov" to enum iov_decode in
tprint_iov_upto() call.
* scsi.c (print_sg_io_v3_req, print_sg_io_v3_res, print_sg_io_v4_req,
print_sg_io_v4_res): Likewise.
* net.c (do_msghdr): Adapt call of tprint_iov_upto().
The data argument of PTRACE_PEEKSIGINFO request is a pointer
to siginfo_t array.
* printsiginfo.c (print_siginfo_t): New function.
(print_siginfo_array): New mpers printer.
* process.c (SYS_FUNC(ptrace)): Print data argument of
PTRACE_PEEKSIGINFO request using print_siginfo_array.
As flags argument has a long integer type, print it using printflags64
because printflags takes unsigned int argument.
* process.c (SYS_FUNC(ptrace)): Print PTRACE_O_* flags
using printflags64.
The addr argument of PTRACE_PEEKSIGINFO request is a pointer to
a struct ptrace_peeksiginfo_args.
* process.c: Include "xlat/ptrace_peeksiginfo_flags.h".
(SYS_FUNC(ptrace)): Print addr argument of PTRACE_PEEKSIGINFO request
as a struct ptrace_peeksiginfo_args.
* xlat/ptrace_peeksiginfo_flags.in: New file.
For PTRACE_GETSIGMASK and PTRACE_SETSIGMASK requests, addr argument
contains the size of the buffer pointed to by data argument.
For PTRACE_SECCOMP_GET_FILTER request, addr argument contains
an offset counter.
* process.c (SYS_FUNC(ptrace)): Print addr argument of
PTRACE_GETSIGMASK, PTRACE_SETSIGMASK, and PTRACE_SECCOMP_GET_FILTER
requests using %lu format.
On sparc, kernel ignores data argument of PTRACE_GETREGS,
PTRACE_SETREGS, PTRACE_GETFPREGS, and PTRACE_SETFPREGS requests.
* process.c (SYS_FUNC(ptrace)) [SPARC || SPARC64]: Return RVAL_DECODED
right after printing addr argument if request is one of PTRACE_GETREGS,
PTRACE_SETREGS, PTRACE_GETFPREGS, or PTRACE_SETFPREGS.
As kernel ignores addr and data arguments of PTRACE_ATTACH,
PTRACE_INTERRUPT, PTRACE_KILL, and PTRACE_LISTEN request,
we do not print them either.
* process.c (SYS_FUNC(ptrace)): After printing pid argument, return
RVAL_DECODED if request is one of PTRACE_ATTACH, PTRACE_INTERRUPT,
PTRACE_KILL, or PTRACE_LISTEN.
As kernel ignores arguments of PTRACE_TRACEME request,
we do not print them either.
* process.c (SYS_FUNC(ptrace)): If request is PTRACE_TRACEME,
return early with RVAL_DECODED.
As first argument of ptrace syscall has a long integer type, print
it using printxval64 because printxval takes unsigned int argument.
* process.c (SYS_FUNC(ptrace)): Change type of "request" variable
from "long" to "unsigned long", print it using printxval64 instead
of printxval.
* process.c (print_user_offset_addr): New function for printing offset
address in the tracee's USER area.
(SYS_FUNC(ptrace)): Assign syscall arguments to local variables with
appropriate types. Print pid argument as int. Use switch statement
in the code that handles address argument. Use print_user_offset_addr
to print address in PTRACE_PEEKUSER and PTRACE_POKEUSER requests.
Fix multiple personalities support in parsers of ptrace,
rt_sigqueueinfo, rt_tgsigqueueinfo, rt_sigtimedwait and waitid syscalls
by converting printsiginfo_at into a mpersified printer.
* printsiginfo.c (siginfo_t): Mpersify.
(printsiginfo_at): Wrap function name into MPERS_PRINTER_DECL.
* defs.h (printsiginfo_at): Remove.
* signal.c (print_sigqueueinfo, sys_rt_sigtimedwait): Use mpersified
printsiginfo_at.
* process.c (sys_ptrace): Likewise.
* wait.c (sys_waitid): Likewise.
Introduce SYS_FUNC macro to declare and define all syscall parsers.
* Makefile.am (BUILT_SOURCES, CLEANFILES): Add sys_func.h.
(sys_func.h): New rule.
* defs.h (SYS_FUNC_NAME, SYS_FUNC): New macros.
* linux/syscall.h: Include "sys_func.h".
[NEED_UID16_PARSERS]: Use SYS_FUNC to declare uid16 syscall parsers.
Remove other declarations.
* linux/alpha/syscallent.h (160, 161): Add sys_ prefix to osf_statfs
and osf_fstatfs syscall parsers.
* *.c: Use SYS_FUNC to define syscall parsers.
Restore the order of including <sys/reg.h> and <linux/ptrace.h>
headers that was inadvertently changed by commit v4.9-280-g5503dd2.
This should fix build on platforms like m68k where some constants
are defined simultaneously as enums by <sys/reg.h> and as macros
by <asm/ptrace.h>.
* process.c: Include "ptrace.h" after "regs.h".
* signal.c: Likewise.
* syscall.c: Likewise.
* util.c: Likewise.
* 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>.
Introduce XLAT_UOFF macro and use it to automatically transform
struct_user_offsets array into a more readable and compact form.
for n in $(sed -n 's/^[[:space:]]*{[[:space:]]*uoff(\([a-z_0-9]\+\)),.*/\1/p' process.c |sort -u); do
sed -i 's/^\([[:space:]]*\){[[:space:]]*uoff('"$n"'),[[:space:]]*"offsetof(struct user,[[:space:]]*'"$n"')"[[:space:]]*},$/\1XLAT_UOFF('"$n"'),/' process.c
done
* process.c (XLAT_UOFF): New macro.
(struct_user_offsets): Use it.
* clone.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* process.c: Move sys_clone, sys_setns, sys_unshare, sys_fork, and
related code to clone.c.
* groups.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* process.c: Move sys_setgroups, sys_getgroups, sys_setgroups32,
sys_getgroups32, and related code to groups.c.
* wait.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* process.c: Move sys_waitpid, sys_wait4, sys_osf_wait4, sys_waitid and
related code to wait.c.
