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Move inclusion of arch specific files that define static functions to
the end of syscall.c.
* syscall.c (get_syscall_result_regs, get_error, getregs_old):
New forward declarations.
(arch_get_scno): Move forward.
Move inclusion of "get_scno.c", "get_syscall_args.c",
"get_syscall_result.c", "get_error.c", and "getregs_old.c"
to the end of file.
Apparently, there are only two types of instruction pointer printers
depending on the architecture: those that print a register that was
fetched earlier, and those that fetch a register themselves using upeek.
With this change, architectures of the first type have ARCH_PC_REG
defined in their arch_regs.c file, architectures of the first type
have ARCH_PC_PEEK_ADDR defined there, and the common code in syscall.c
uses these macros to print the instruction pointer.
* Makefile.am (EXTRA_DIST): Remove linux/*/print_pc.c.
* linux/*/print_pc.c: Remove.
* linux/aarch64/arch_regs.c(ARCH_PC_REG): Define macro.
* linux/arc/arch_regs.c(ARCH_PC_REG): Likewise.
* linux/arm/arch_regs.c(ARCH_PC_REG): Likewise.
* linux/avr32/arch_regs.c(ARCH_PC_REG): Likewise.
* linux/i386/arch_regs.c(ARCH_PC_REG): Likewise.
* linux/ia64/arch_regs.c(ARCH_PC_REG): Likewise.
* linux/metag/arch_regs.c(ARCH_PC_REG): Likewise.
* linux/mips/arch_regs.c(ARCH_PC_REG): Likewise.
* linux/nios2/arch_regs.c(ARCH_PC_REG): Likewise.
* linux/or1k/arch_regs.c(ARCH_PC_REG): Likewise.
* linux/powerpc64/arch_regs.c(ARCH_PC_REG): Likewise.
* linux/powerpc/arch_regs.c(ARCH_PC_REG): Likewise.
* linux/s390/arch_regs.c(ARCH_PC_REG): Likewise.
* linux/s390x/arch_regs.c(ARCH_PC_REG): Likewise.
* linux/sparc64/arch_regs.c(ARCH_PC_REG): Likewise.
* linux/sparc/arch_regs.c(ARCH_PC_REG): Likewise.
* linux/tile/arch_regs.c(ARCH_PC_REG): Likewise.
* linux/x32/arch_regs.c(ARCH_PC_REG): Likewise.
* linux/x86_64/arch_regs.c(ARCH_PC_REG): Likewise.
* linux/alpha/arch_regs.c(ARCH_PC_PEEK_ADDR): Define macro.
* linux/bfin/arch_regs.c(ARCH_PC_PEEK_ADDR): Likewise.
* linux/crisv10/arch_regs.c(ARCH_PC_PEEK_ADDR): Likewise.
* linux/crisv32/arch_regs.c(ARCH_PC_PEEK_ADDR): Likewise.
* linux/hppa/arch_regs.c(ARCH_PC_PEEK_ADDR): Likewise.
* linux/m68k/arch_regs.c(ARCH_PC_PEEK_ADDR): Likewise.
* linux/microblaze/arch_regs.c(ARCH_PC_PEEK_ADDR): Likewise.
* linux/sh64/arch_regs.c(ARCH_PC_PEEK_ADDR): Likewise.
* linux/sh/arch_regs.c(ARCH_PC_PEEK_ADDR): Likewise.
* linux/xtensa/arch_regs.c(ARCH_PC_PEEK_ADDR): Likewise.
* syscall.c (print_pc): Stop including "print_pc.c".
Use ARCH_PC_REG or ARCH_PC_PEEK_ADDR.
Make get_syscall_result.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/alpha/get_syscall_result.c (get_syscall_result_regs): Define.
* linux/bfin/get_syscall_result.c: Likewise.
* linux/crisv10/get_syscall_result.c: Likewise.
* linux/hppa/get_syscall_result.c: Likewise.
* linux/m68k/get_syscall_result.c: Likewise.
* linux/microblaze/get_syscall_result.c: Likewise.
* linux/sh/get_syscall_result.c: Likewise.
* linux/sh64/get_syscall_result.c: Likewise.
* linux/xtensa/get_syscall_result.c: Likewise.
* syscall.c [!ARCH_REGS_FOR_GETREGSET && !ARCH_REGS_FOR_GETREGS]:
Define USE_GET_SYSCALL_RESULT_REGS macro.
[USE_GET_SYSCALL_RESULT_REGS]: Include "get_syscall_result.c".
(get_syscall_result) [USE_GET_SYSCALL_RESULT_REGS]: Stop including
"get_syscall_result.c". Call get_syscall_result_regs.
Requested-by: Denys Vlasenko <dvlasenk@redhat.com>
Make arch_sigreturn.c files more self-sustained. While they are
still being included by sigreturn.c, the latter no longer defines
arch_sigreturn function.
* linux/alpha/arch_sigreturn.c (arch_sigreturn): Define.
* linux/arm/arch_sigreturn.c: Likewise.
* linux/crisv10/arch_sigreturn.c: Likewise.
* linux/i386/arch_sigreturn.c: Likewise.
* linux/ia64/arch_sigreturn.c: Likewise.
* linux/m68k/arch_sigreturn.c: Likewise.
* linux/microblaze/arch_sigreturn.c: Likewise.
* linux/mips/arch_sigreturn.c: Likewise.
* linux/powerpc/arch_sigreturn.c: Likewise.
* linux/s390/arch_sigreturn.c: Likewise.
* linux/sparc/arch_sigreturn.c: Likewise.
* linux/tile/arch_sigreturn.c: Likewise.
* linux/x32/arch_sigreturn.c: Remove code.
Include "x86_64/arch_sigreturn.c".
* linux/x86_64/arch_sigreturn.c: Stop including "x32/arch_sigreturn.c".
Include "i386/arch_sigreturn.c" with arch_sigreturn temporarily defined
to i386_arch_sigreturn.
(arch_sigreturn): Define. Add x32 personality support there.
* sigreturn.c: Remove arch_sigreturn header and footer.
Requested-by: Denys Vlasenko <dvlasenk@redhat.com>
* kernel_types.h: New file.
* Makefile.am (strace_SOURCES): Add it.
* configure.ac (AC_CHECK_TYPES): Check for __kernel_long_t
and __kernel_ulong_t in <asm/posix_types.h>.
* dirent.c: Stop including <dirent.h>.
(kernel_dirent): Remove.
Include "kernel_types.h".
(print_old_dirent, SYS_FUNC(getdents)): Print variables
of kernel_ulong_t type using %Lu format.
* syscall.c (kernel_long_t, kernel_ulong_t): Remove.
Include "kernel_types.h".
* tests/getdents.c (kernel_dirent): Remove.
Include "kernel_types.h".
(print_dirent): Print variables of kernel_ulong_t type using %Lu format.
* defs.h (error_msg_and_help): New prototype.
* strace.c (error_msg_and_help): New function.
(error_opt_arg, init): Use it.
(usage): Remove unnecessary arguments.
* count.c: Use the new function.
x86 is the only personality supported on x86_64
that has 32-bit syscall arguments.
* io.c (print_llu_from_low_high_val) [X86_64]: Fix
current_personality == 2 case.
* fetch_struct_flock.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* fcntl.c (print_struct_flock64): New function.
(printflock64): Use fetch_struct_flock64 and print_struct_flock64.
(printflock): Use fetch_struct_flock and print_struct_flock64.
* fcntl.c (USE_PRINTFLOCK64): Remove macro.
(printflock64): Define unconditionally.
(SYS_FUNC(fcntl)): Do not check for USE_PRINTFLOCK64,
F_DUPFD_CLOEXEC, F_NOTIFY, F_SETLEASE, and F_GETLEASE macros.
Include <linux/fcntl.h> for proper definitions of F_* constants
and flock structures.
* configure.ac (AC_CHECK_TYPES): Check for struct flock, struct flock64,
struct __kernel_flock, and struct __kernel_flock64 in <linux/fcntl.h>.
* flock.h: New file.
* Makefile.am (strace_SOURCES): Add it.
* fcntl.c: Include it instead of <fcntl.h>.
(struct flock64): Remove.
(printflock): Use struct_kernel_flock instead of struct flock.
(printflock64): Use struct_kernel_flock64 instead of struct flock64.
Some systems (like Bionic) omit support for SysV related code. That
means no C library headers for strace to include. Add configure tests
to probe the headers from the kernel and use them when they are
available.
It might make more sense to never rely on the C library's headers as
there is no guarantee or requirement that the structure layout between
apps and the C library match that what is passed to the kernel.
* configure.ac (AC_CHECK_HEADERS): Check for linux/ipc.h,
linux/mqueue.h, linux/msg.h, linux/sem.h, linux/shm.h,
sys/ipc.h, sys/msg.h, sys/sem.h, and sys/shm.h.
* ipc_defs.h: Include <sys/ipc.h> or <linux/ipc.h> depending
on what is available.
* ipc_msg.c: Replace <sys/ipc.h> with "ipc_defs.h".
Fallback to <linux/msg.h> when available.
* ipc_msgctl.c: Include <sys/msg.h>, <asm/msgbuf.h>, or <linux/msg.h>
based on what is available. Note missing support for old ipc structs.
* ipc_sem.c: Include <sys/sem.h> or <linux/sem.h> depending
on what is available. Only decode sembuf when available.
* ipc_shm.c: Fallback to <linux/shm.h> when available.
* ipc_shmctl.c: Include <sys/shm.h>, <asm/shmbuf.h>, or <linux/shm.h>
based on what is available. Note missing support for old ipc structs.
* print_mq_attr.c: Fallback to <linux/mqueue.h> when available.
These system calls are not implemented in the Linux kernel.
* linux/dummy.h(getpmsg, putpmsg): Move to the list of deprecated
syscalls.
* Makefile.am (strace_SOURCES): Remove stream.c.
* stream.c: Remove.
* xlat/pmsgflags.in: Remove.
Since query_module syscall is present only in kernels before Linux 2.6
and strace does not support those kernels, there is no use to keep this
parser any longer.
* bjm.c: Do not include <sys/*>, "xlat/qm_which.h",
and "xlat/modflags.h".
(MOD_*, QM_*, module_symbol, module_info, SYS_FUNC(query_module)):
Remove.
* linux/dummy.h (sys_query_module): Add stub alias.
* xlat/modflags.in: Remove.
* xlat/qm_which.in: Remove.
