# define _LFS64_LARGEFILE 1
# endif
#endif
+
#ifdef MIPS
# include <sgidefs.h>
+# if _MIPS_SIM == _MIPS_SIM_ABI64
+# define LINUX_MIPSN64
+# elif _MIPS_SIM == _MIPS_SIM_NABI32
+# define LINUX_MIPSN32
+# elif _MIPS_SIM == _MIPS_SIM_ABI32
+# define LINUX_MIPSO32
+# else
+# error Unsupported _MIPS_SIM
+# endif
#endif
+
#include <features.h>
#ifdef HAVE_STDBOOL_H
# include <stdbool.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
-#include <ctype.h>
+/* Open-coding isprint(ch) et al proved more efficient than calling
+ * generalized libc interface. We don't *want* to do non-ASCII anyway.
+ */
+/* #include <ctype.h> */
#include <string.h>
#include <errno.h>
#include <signal.h>
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
+/* macros */
+#ifndef MAX
+# define MAX(a, b) (((a) > (b)) ? (a) : (b))
+#endif
+#ifndef MIN
+# define MIN(a, b) (((a) < (b)) ? (a) : (b))
+#endif
+#define CLAMP(val, min, max) MIN(MAX(min, val), max)
+
/* Glibc has an efficient macro for sigemptyset
* (it just does one or two assignments of 0 to internal vector of longs).
*/
* Maximum number of args to a syscall.
*
* Make sure that all entries in all syscallent.h files have nargs <= MAX_ARGS!
- * linux/<ARCH>/syscallent.h: all have nargs <= 6.
+ * linux/<ARCH>/syscallent*.h:
+ * all have nargs <= 6 except mips o32 which has nargs <= 7.
*/
#ifndef MAX_ARGS
-# define MAX_ARGS 6
+# ifdef LINUX_MIPSO32
+# define MAX_ARGS 7
+# else
+# define MAX_ARGS 6
+# endif
#endif
/* default sorting method for call profiling */
#ifndef DEFAULT_SORTBY
* This needs Linux kernel 3.4.x or later to work.
*/
#define USE_SEIZE 1
-/* For forcing NOMMU build, set to 1 */
+/* To force NOMMU build, set to 1 */
#define NOMMU_SYSTEM 0
-
-#if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_ABI32
-# define LINUX_MIPSO32
-#endif
-#if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_NABI32
-# define LINUX_MIPSN32
-#endif
-#if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_ABI64
-# define LINUX_MIPSN64
-#endif
-
#if (defined(SPARC) || defined(SPARC64) \
- || defined(X86_64) \
+ || defined(I386) || defined(X32) || defined(X86_64) \
|| defined(ARM) || defined(AARCH64) \
|| defined(AVR32) \
|| defined(OR1K) \
+ || defined(METAG) \
+ || defined(TILE) \
+ || defined(XTENSA) \
) && defined(__GLIBC__)
# include <sys/ptrace.h>
#else
# define PTRACE_POKEUSER PTRACE_POKEUSR
#endif
-#if USE_SEIZE
-# undef PTRACE_SEIZE
-# define PTRACE_SEIZE 0x4206
-# undef PTRACE_INTERRUPT
-# define PTRACE_INTERRUPT 0x4207
-# undef PTRACE_LISTEN
-# define PTRACE_LISTEN 0x4208
-# undef PTRACE_EVENT_STOP
-# define PTRACE_EVENT_STOP 128
-#endif
+#undef PTRACE_SEIZE
+#define PTRACE_SEIZE 0x4206
+#undef PTRACE_INTERRUPT
+#define PTRACE_INTERRUPT 0x4207
+#undef PTRACE_LISTEN
+#define PTRACE_LISTEN 0x4208
+#undef PTRACE_EVENT_STOP
+#define PTRACE_EVENT_STOP 128
#ifdef ALPHA
# define REG_R0 0
/* Trace Control Block */
struct tcb {
int flags; /* See below for TCB_ values */
- int pid; /* Process Id of this entry */
+ int pid; /* If 0, this tcb is free */
int qual_flg; /* qual_flags[scno] or DEFAULT_QUAL_FLAGS + RAW */
int u_error; /* Error code */
long scno; /* System call number */
};
/* TCB flags */
-#define TCB_INUSE 00001 /* This table entry is in use */
/* We have attached to this process, but did not see it stopping yet */
-#define TCB_STARTUP 00002
-#define TCB_IGNORE_ONE_SIGSTOP 00004 /* Next SIGSTOP is to be ignored */
+#define TCB_STARTUP 0x01
+#define TCB_IGNORE_ONE_SIGSTOP 0x02 /* Next SIGSTOP is to be ignored */
/*
* Are we in system call entry or in syscall exit?
*
*
* Use entering(tcp) / exiting(tcp) to check this bit to make code more readable.
*/
-#define TCB_INSYSCALL 00010
-#define TCB_ATTACHED 00020 /* It is attached already */
-/* Are we PROG from "strace PROG [ARGS]" invocation? */
-#define TCB_STRACE_CHILD 0040
-#define TCB_BPTSET 00100 /* "Breakpoint" set after fork(2) */
-#define TCB_REPRINT 00200 /* We should reprint this syscall on exit */
-#define TCB_FILTERED 00400 /* This system call has been filtered out */
-/* x86 does not need TCB_WAITEXECVE.
+#define TCB_INSYSCALL 0x04
+#define TCB_ATTACHED 0x08 /* We attached to it already */
+#define TCB_BPTSET 0x10 /* "Breakpoint" set after fork(2) */
+#define TCB_REPRINT 0x20 /* We should reprint this syscall on exit */
+#define TCB_FILTERED 0x40 /* This system call has been filtered out */
+/*
+ * x86 does not need TCB_WAITEXECVE.
* It can detect post-execve SIGTRAP by looking at eax/rax.
* See "not a syscall entry (eax = %ld)\n" message.
*
/* This tracee has entered into execve syscall. Expect post-execve SIGTRAP
* to happen. (When it is detected, tracee is continued and this bit is cleared.)
*/
-# define TCB_WAITEXECVE 01000
+# define TCB_WAITEXECVE 0x80
#endif
/* qualifier flags */
extern cflag_t cflag;
extern bool debug_flag;
extern bool Tflag;
-extern bool qflag;
+extern unsigned int qflag;
extern bool not_failing_only;
extern bool show_fd_path;
-extern bool tracing_paths;
+extern bool hide_log_until_execve;
+/* are we filtering traces based on paths? */
+extern const char **paths_selected;
+#define tracing_paths (paths_selected != NULL)
extern bool need_fork_exec_workarounds;
extern unsigned xflag;
extern unsigned followfork;
|| defined(ARM) \
|| defined(SPARC) || defined(SPARC64) \
|| defined(TILE) \
- || defined(OR1K)
+ || defined(OR1K) \
+ || defined(METAG)
extern long get_regs_error;
# define clear_regs() (get_regs_error = -1)
extern void get_regs(pid_t pid);
extern const char *signame(int);
extern int is_restart_error(struct tcb *);
-extern int pathtrace_select(const char *);
+extern void pathtrace_select(const char *);
extern int pathtrace_match(struct tcb *);
-extern const char *getfdpath(struct tcb *, int);
+extern int getfdpath(struct tcb *, int, char *, unsigned);
extern const char *xlookup(const struct xlat *, int);
extern int scsi_ioctl(struct tcb *, long, long);
extern int block_ioctl(struct tcb *, long, long);
extern int mtd_ioctl(struct tcb *, long, long);
+extern int ubi_ioctl(struct tcb *, long, long);
extern int loop_ioctl(struct tcb *, long, long);
extern int tv_nz(struct timeval *);
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