1352 lines
33 KiB
C
1352 lines
33 KiB
C
#include <stdio.h>
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#include <errno.h>
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#include <sys/ipc.h>
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#include <sys/msg.h>
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#include <sys/sem.h>
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#include <sys/shm.h>
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#include <sys/select.h>
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#include <sys/types.h>
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#include <sys/mount.h>
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#include <sys/mman.h>
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#include <unistd.h>
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#include "qemu.h"
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int do_strace=0;
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struct syscallname {
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int nr;
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const char *name;
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const char *format;
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void (*call)(const struct syscallname *,
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abi_long, abi_long, abi_long,
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abi_long, abi_long, abi_long);
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void (*result)(const struct syscallname *, abi_long);
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};
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#ifdef __GNUC__
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/*
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* It is possible that target doesn't have syscall that uses
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* following flags but we don't want the compiler to warn
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* us about them being unused. Same applies to utility print
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* functions. It is ok to keep them while not used.
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*/
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#define UNUSED __attribute__ ((unused))
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#else
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#define UNUSED
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#endif
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/*
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* Structure used to translate flag values into strings. This is
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* similar that is in the actual strace tool.
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*/
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struct flags {
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abi_long f_value; /* flag */
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const char *f_string; /* stringified flag */
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};
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/* common flags for all architectures */
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#define FLAG_GENERIC(name) { name, #name }
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/* target specific flags (syscall_defs.h has TARGET_<flag>) */
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#define FLAG_TARGET(name) { TARGET_ ## name, #name }
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/* end of flags array */
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#define FLAG_END { 0, NULL }
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UNUSED static const char *get_comma(int);
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UNUSED static void print_pointer(abi_long, int);
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UNUSED static void print_flags(const struct flags *, abi_long, int);
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UNUSED static void print_at_dirfd(abi_long, int);
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UNUSED static void print_file_mode(abi_long, int);
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UNUSED static void print_open_flags(abi_long, int);
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UNUSED static void print_syscall_prologue(const struct syscallname *);
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UNUSED static void print_syscall_epilogue(const struct syscallname *);
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UNUSED static void print_string(abi_long, int);
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UNUSED static void print_raw_param(const char *, abi_long, int);
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UNUSED static void print_timeval(abi_ulong, int);
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UNUSED static void print_number(abi_long, int);
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/*
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* Utility functions
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*/
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static void
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print_ipc_cmd(int cmd)
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{
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#define output_cmd(val) \
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if( cmd == val ) { \
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gemu_log(#val); \
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return; \
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}
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cmd &= 0xff;
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/* General IPC commands */
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output_cmd( IPC_RMID );
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output_cmd( IPC_SET );
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output_cmd( IPC_STAT );
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output_cmd( IPC_INFO );
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/* msgctl() commands */
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#ifdef __USER_MISC
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output_cmd( MSG_STAT );
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output_cmd( MSG_INFO );
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#endif
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/* shmctl() commands */
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output_cmd( SHM_LOCK );
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output_cmd( SHM_UNLOCK );
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output_cmd( SHM_STAT );
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output_cmd( SHM_INFO );
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/* semctl() commands */
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output_cmd( GETPID );
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output_cmd( GETVAL );
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output_cmd( GETALL );
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output_cmd( GETNCNT );
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output_cmd( GETZCNT );
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output_cmd( SETVAL );
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output_cmd( SETALL );
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output_cmd( SEM_STAT );
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output_cmd( SEM_INFO );
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output_cmd( IPC_RMID );
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output_cmd( IPC_RMID );
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output_cmd( IPC_RMID );
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output_cmd( IPC_RMID );
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output_cmd( IPC_RMID );
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output_cmd( IPC_RMID );
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output_cmd( IPC_RMID );
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output_cmd( IPC_RMID );
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output_cmd( IPC_RMID );
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/* Some value we don't recognize */
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gemu_log("%d",cmd);
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}
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#ifdef TARGET_NR__newselect
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static void
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print_fdset(int n, abi_ulong target_fds_addr)
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{
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int i;
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gemu_log("[");
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if( target_fds_addr ) {
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abi_long *target_fds;
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target_fds = lock_user(VERIFY_READ,
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target_fds_addr,
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sizeof(*target_fds)*(n / TARGET_ABI_BITS + 1),
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1);
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if (!target_fds)
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return;
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for (i=n; i>=0; i--) {
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if ((tswapl(target_fds[i / TARGET_ABI_BITS]) >> (i & (TARGET_ABI_BITS - 1))) & 1)
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gemu_log("%d,", i );
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}
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unlock_user(target_fds, target_fds_addr, 0);
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}
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gemu_log("]");
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}
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#endif
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/*
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* Sysycall specific output functions
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*/
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/* select */
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#ifdef TARGET_NR__newselect
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static long newselect_arg1 = 0;
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static long newselect_arg2 = 0;
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static long newselect_arg3 = 0;
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static long newselect_arg4 = 0;
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static long newselect_arg5 = 0;
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static void
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print_newselect(const struct syscallname *name,
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abi_long arg1, abi_long arg2, abi_long arg3,
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abi_long arg4, abi_long arg5, abi_long arg6)
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{
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gemu_log("%s(" TARGET_ABI_FMT_ld ",", name->name, arg1);
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print_fdset(arg1, arg2);
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gemu_log(",");
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print_fdset(arg1, arg3);
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gemu_log(",");
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print_fdset(arg1, arg4);
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gemu_log(",");
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print_timeval(arg5, 1);
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gemu_log(")");
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/* save for use in the return output function below */
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newselect_arg1=arg1;
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newselect_arg2=arg2;
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newselect_arg3=arg3;
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newselect_arg4=arg4;
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newselect_arg5=arg5;
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}
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#endif
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#ifdef TARGET_NR_semctl
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static void
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print_semctl(const struct syscallname *name,
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abi_long arg1, abi_long arg2, abi_long arg3,
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abi_long arg4, abi_long arg5, abi_long arg6)
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{
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gemu_log("%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",", name->name, arg1, arg2);
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print_ipc_cmd(arg3);
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gemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
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}
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#endif
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static void
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print_execve(const struct syscallname *name,
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abi_long arg1, abi_long arg2, abi_long arg3,
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abi_long arg4, abi_long arg5, abi_long arg6)
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{
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abi_ulong arg_ptr_addr;
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char *s;
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if (!(s = lock_user_string(arg1)))
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return;
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gemu_log("%s(\"%s\",{", name->name, s);
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unlock_user(s, arg1, 0);
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for (arg_ptr_addr = arg2; ; arg_ptr_addr += sizeof(abi_ulong)) {
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abi_ulong *arg_ptr, arg_addr;
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arg_ptr = lock_user(VERIFY_READ, arg_ptr_addr, sizeof(abi_ulong), 1);
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if (!arg_ptr)
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return;
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arg_addr = tswapl(*arg_ptr);
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unlock_user(arg_ptr, arg_ptr_addr, 0);
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if (!arg_addr)
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break;
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if ((s = lock_user_string(arg_addr))) {
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gemu_log("\"%s\",", s);
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unlock_user(s, arg_addr, 0);
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}
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}
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gemu_log("NULL})");
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}
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#ifdef TARGET_NR_ipc
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static void
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print_ipc(const struct syscallname *name,
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abi_long arg1, abi_long arg2, abi_long arg3,
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abi_long arg4, abi_long arg5, abi_long arg6)
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{
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switch(arg1) {
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case IPCOP_semctl:
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gemu_log("semctl(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",", arg1, arg2);
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print_ipc_cmd(arg3);
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gemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
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break;
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default:
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gemu_log("%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ")",
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name->name, arg1, arg2, arg3, arg4);
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}
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}
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#endif
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/*
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* Variants for the return value output function
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*/
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static void
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print_syscall_ret_addr(const struct syscallname *name, abi_long ret)
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{
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if( ret == -1 ) {
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gemu_log(" = -1 errno=%d (%s)\n", errno, target_strerror(errno));
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} else {
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gemu_log(" = 0x" TARGET_ABI_FMT_lx "\n", ret);
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}
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}
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#if 0 /* currently unused */
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static void
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print_syscall_ret_raw(struct syscallname *name, abi_long ret)
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{
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gemu_log(" = 0x" TARGET_ABI_FMT_lx "\n", ret);
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}
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#endif
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#ifdef TARGET_NR__newselect
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static void
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print_syscall_ret_newselect(const struct syscallname *name, abi_long ret)
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{
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gemu_log(" = 0x" TARGET_ABI_FMT_lx " (", ret);
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print_fdset(newselect_arg1,newselect_arg2);
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gemu_log(",");
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print_fdset(newselect_arg1,newselect_arg3);
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gemu_log(",");
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print_fdset(newselect_arg1,newselect_arg4);
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gemu_log(",");
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print_timeval(newselect_arg5, 1);
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gemu_log(")\n");
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}
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#endif
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UNUSED static struct flags access_flags[] = {
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FLAG_GENERIC(F_OK),
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FLAG_GENERIC(R_OK),
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FLAG_GENERIC(W_OK),
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FLAG_GENERIC(X_OK),
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FLAG_END,
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};
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UNUSED static struct flags at_file_flags[] = {
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#ifdef AT_EACCESS
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FLAG_GENERIC(AT_EACCESS),
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#endif
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#ifdef AT_SYMLINK_NOFOLLOW
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FLAG_GENERIC(AT_SYMLINK_NOFOLLOW),
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#endif
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FLAG_END,
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};
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UNUSED static struct flags unlinkat_flags[] = {
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#ifdef AT_REMOVEDIR
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FLAG_GENERIC(AT_REMOVEDIR),
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#endif
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FLAG_END,
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};
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UNUSED static struct flags mode_flags[] = {
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FLAG_GENERIC(S_IFSOCK),
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FLAG_GENERIC(S_IFLNK),
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FLAG_GENERIC(S_IFREG),
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FLAG_GENERIC(S_IFBLK),
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FLAG_GENERIC(S_IFDIR),
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FLAG_GENERIC(S_IFCHR),
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FLAG_GENERIC(S_IFIFO),
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FLAG_END,
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};
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UNUSED static struct flags open_access_flags[] = {
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FLAG_TARGET(O_RDONLY),
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FLAG_TARGET(O_WRONLY),
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FLAG_TARGET(O_RDWR),
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FLAG_END,
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};
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UNUSED static struct flags open_flags[] = {
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FLAG_TARGET(O_APPEND),
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FLAG_TARGET(O_CREAT),
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FLAG_TARGET(O_DIRECTORY),
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FLAG_TARGET(O_EXCL),
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FLAG_TARGET(O_LARGEFILE),
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FLAG_TARGET(O_NOCTTY),
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FLAG_TARGET(O_NOFOLLOW),
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FLAG_TARGET(O_NONBLOCK), /* also O_NDELAY */
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FLAG_TARGET(O_SYNC),
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FLAG_TARGET(O_TRUNC),
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#ifdef O_DIRECT
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FLAG_TARGET(O_DIRECT),
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#endif
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FLAG_END,
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};
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UNUSED static struct flags mount_flags[] = {
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#ifdef MS_BIND
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FLAG_GENERIC(MS_BIND),
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#endif
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#ifdef MS_DIRSYNC
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FLAG_GENERIC(MS_DIRSYNC),
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#endif
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FLAG_GENERIC(MS_MANDLOCK),
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#ifdef MS_MOVE
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FLAG_GENERIC(MS_MOVE),
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#endif
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FLAG_GENERIC(MS_NOATIME),
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FLAG_GENERIC(MS_NODEV),
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FLAG_GENERIC(MS_NODIRATIME),
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FLAG_GENERIC(MS_NOEXEC),
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FLAG_GENERIC(MS_NOSUID),
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FLAG_GENERIC(MS_RDONLY),
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#ifdef MS_RELATIME
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FLAG_GENERIC(MS_RELATIME),
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#endif
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FLAG_GENERIC(MS_REMOUNT),
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FLAG_GENERIC(MS_SYNCHRONOUS),
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FLAG_END,
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};
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UNUSED static struct flags umount2_flags[] = {
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#ifdef MNT_FORCE
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FLAG_GENERIC(MNT_FORCE),
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#endif
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#ifdef MNT_DETACH
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FLAG_GENERIC(MNT_DETACH),
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#endif
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#ifdef MNT_EXPIRE
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FLAG_GENERIC(MNT_EXPIRE),
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#endif
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FLAG_END,
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};
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UNUSED static struct flags mmap_prot_flags[] = {
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FLAG_GENERIC(PROT_NONE),
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FLAG_GENERIC(PROT_EXEC),
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FLAG_GENERIC(PROT_READ),
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FLAG_GENERIC(PROT_WRITE),
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FLAG_END,
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};
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UNUSED static struct flags mmap_flags[] = {
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FLAG_TARGET(MAP_SHARED),
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FLAG_TARGET(MAP_PRIVATE),
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FLAG_TARGET(MAP_ANONYMOUS),
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FLAG_TARGET(MAP_DENYWRITE),
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FLAG_TARGET(MAP_FIXED),
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FLAG_TARGET(MAP_GROWSDOWN),
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#ifdef MAP_LOCKED
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FLAG_TARGET(MAP_LOCKED),
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#endif
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#ifdef MAP_NONBLOCK
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FLAG_TARGET(MAP_NONBLOCK),
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#endif
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FLAG_TARGET(MAP_NORESERVE),
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#ifdef MAP_POPULATE
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FLAG_TARGET(MAP_POPULATE),
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#endif
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FLAG_END,
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};
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UNUSED static struct flags fcntl_flags[] = {
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FLAG_TARGET(F_DUPFD),
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FLAG_TARGET(F_GETFD),
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FLAG_TARGET(F_SETFD),
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FLAG_TARGET(F_GETFL),
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FLAG_TARGET(F_SETFL),
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FLAG_TARGET(F_GETLK),
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FLAG_TARGET(F_SETLK),
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FLAG_TARGET(F_SETLKW),
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FLAG_END,
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};
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/*
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* print_xxx utility functions. These are used to print syscall
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* parameters in certain format. All of these have parameter
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* named 'last'. This parameter is used to add comma to output
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* when last == 0.
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*/
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static const char *
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get_comma(int last)
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{
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return ((last) ? "" : ",");
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}
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static void
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print_flags(const struct flags *f, abi_long tflags, int last)
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{
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const char *sep = "";
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int flags;
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int n;
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flags = (int)tswap32(tflags);
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if ((flags == 0) && (f->f_value == 0)) {
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gemu_log("%s%s", f->f_string, get_comma(last));
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return;
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}
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for (n = 0; f->f_string != NULL; f++) {
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if ((f->f_value != 0) && ((flags & f->f_value) == f->f_value)) {
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gemu_log("%s%s", sep, f->f_string);
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flags &= ~f->f_value;
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sep = "|";
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n++;
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}
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}
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if (n > 0) {
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/* print rest of the flags as numeric */
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if (flags != 0) {
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gemu_log("%s%#x%s", sep, flags, get_comma(last));
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} else {
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gemu_log("%s", get_comma(last));
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}
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} else {
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/* no string version of flags found, print them in hex then */
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gemu_log("%#x%s", flags, get_comma(last));
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}
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}
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|
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static void
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print_at_dirfd(abi_long tdirfd, int last)
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{
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int dirfd = tswap32(tdirfd);
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#ifdef AT_FDCWD
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if (dirfd == AT_FDCWD) {
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gemu_log("AT_FDCWD%s", get_comma(last));
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return;
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}
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#endif
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gemu_log("%d%s", dirfd, get_comma(last));
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}
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static void
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print_file_mode(abi_long tmode, int last)
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{
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const char *sep = "";
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const struct flags *m;
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mode_t mode = (mode_t)tswap32(tmode);
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for (m = &mode_flags[0]; m->f_string != NULL; m++) {
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if ((m->f_value & mode) == m->f_value) {
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gemu_log("%s%s", m->f_string, sep);
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sep = "|";
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mode &= ~m->f_value;
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break;
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}
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}
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mode &= ~S_IFMT;
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/* print rest of the mode as octal */
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if (mode != 0)
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gemu_log("%s%#o", sep, mode);
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gemu_log("%s", get_comma(last));
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}
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|
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static void
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print_open_flags(abi_long tflags, int last)
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{
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int flags = tswap32(tflags);
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print_flags(open_access_flags, flags & TARGET_O_ACCMODE, 1);
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flags &= ~TARGET_O_ACCMODE;
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if (flags == 0) {
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gemu_log("%s", get_comma(last));
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return;
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}
|
|
gemu_log("|");
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print_flags(open_flags, flags, last);
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}
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|
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static void
|
|
print_syscall_prologue(const struct syscallname *sc)
|
|
{
|
|
gemu_log("%s(", sc->name);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
print_syscall_epilogue(const struct syscallname *sc)
|
|
{
|
|
(void)sc;
|
|
gemu_log(")");
|
|
}
|
|
|
|
static void
|
|
print_string(abi_long addr, int last)
|
|
{
|
|
char *s;
|
|
|
|
if ((s = lock_user_string(addr)) != NULL) {
|
|
gemu_log("\"%s\"%s", s, get_comma(last));
|
|
unlock_user(s, addr, 0);
|
|
} else {
|
|
/* can't get string out of it, so print it as pointer */
|
|
print_pointer(addr, last);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Prints out raw parameter using given format. Caller needs
|
|
* to do byte swapping if needed.
|
|
*/
|
|
static void
|
|
print_raw_param(const char *fmt, abi_long param, int last)
|
|
{
|
|
char format[64];
|
|
|
|
(void) snprintf(format, sizeof (format), "%s%s", fmt, get_comma(last));
|
|
gemu_log(format, param);
|
|
}
|
|
|
|
static void
|
|
print_pointer(abi_long p, int last)
|
|
{
|
|
if (p == 0)
|
|
gemu_log("NULL%s", get_comma(last));
|
|
else
|
|
gemu_log("0x" TARGET_ABI_FMT_lx "%s", p, get_comma(last));
|
|
}
|
|
|
|
/*
|
|
* Reads 32-bit (int) number from guest address space from
|
|
* address 'addr' and prints it.
|
|
*/
|
|
static void
|
|
print_number(abi_long addr, int last)
|
|
{
|
|
if (addr == 0) {
|
|
gemu_log("NULL%s", get_comma(last));
|
|
} else {
|
|
int num;
|
|
|
|
get_user_s32(num, addr);
|
|
gemu_log("[%d]%s", num, get_comma(last));
|
|
}
|
|
}
|
|
|
|
static void
|
|
print_timeval(abi_ulong tv_addr, int last)
|
|
{
|
|
if( tv_addr ) {
|
|
struct target_timeval *tv;
|
|
|
|
tv = lock_user(VERIFY_READ, tv_addr, sizeof(*tv), 1);
|
|
if (!tv)
|
|
return;
|
|
gemu_log("{" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "}%s",
|
|
tv->tv_sec, tv->tv_usec, get_comma(last));
|
|
unlock_user(tv, tv_addr, 0);
|
|
} else
|
|
gemu_log("NULL%s", get_comma(last));
|
|
}
|
|
|
|
#undef UNUSED
|
|
|
|
#ifdef TARGET_NR_accept
|
|
static void
|
|
print_accept(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_raw_param("%d", tswap32(arg0), 0);
|
|
print_pointer(arg1, 0);
|
|
print_number(arg2, 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_access
|
|
static void
|
|
print_access(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_string(arg0, 0);
|
|
print_flags(access_flags, arg1, 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_brk
|
|
static void
|
|
print_brk(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_pointer(arg0, 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_chdir
|
|
static void
|
|
print_chdir(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_string(arg0, 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_chmod
|
|
static void
|
|
print_chmod(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_string(arg0, 0);
|
|
print_file_mode(arg1, 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_creat
|
|
static void
|
|
print_creat(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_string(arg0, 0);
|
|
print_file_mode(arg1, 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_execv
|
|
static void
|
|
print_execv(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_string(arg0, 0);
|
|
print_raw_param("0x" TARGET_ABI_FMT_lx, tswapl(arg1), 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_faccessat
|
|
static void
|
|
print_faccessat(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_at_dirfd(arg0, 0);
|
|
print_string(arg1, 0);
|
|
print_flags(access_flags, arg2, 0);
|
|
print_flags(at_file_flags, arg3, 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_fchmodat
|
|
static void
|
|
print_fchmodat(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_at_dirfd(arg0, 0);
|
|
print_string(arg1, 0);
|
|
print_file_mode(arg2, 0);
|
|
print_flags(at_file_flags, arg3, 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_fchownat
|
|
static void
|
|
print_fchownat(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_at_dirfd(arg0, 0);
|
|
print_string(arg1, 0);
|
|
#ifdef USE_UID16
|
|
print_raw_param("%d", tswap16(arg2), 0);
|
|
print_raw_param("%d", tswap16(arg3), 0);
|
|
#else
|
|
print_raw_param("%d", tswap32(arg2), 0);
|
|
print_raw_param("%d", tswap32(arg3), 0);
|
|
#endif
|
|
print_flags(at_file_flags, arg4, 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#if defined(TARGET_NR_fcntl) || defined(TARGET_NR_fcntl64)
|
|
static void
|
|
print_fcntl(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_raw_param("%d", tswap32(arg0), 0);
|
|
print_flags(fcntl_flags, arg1, 0);
|
|
/*
|
|
* TODO: check flags and print following argument only
|
|
* when needed.
|
|
*/
|
|
print_pointer(arg2, 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#define print_fcntl64 print_fcntl
|
|
#endif
|
|
|
|
|
|
#ifdef TARGET_NR_futimesat
|
|
static void
|
|
print_futimesat(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_at_dirfd(arg0, 0);
|
|
print_string(arg1, 0);
|
|
print_timeval(arg2, 0);
|
|
print_timeval(arg2 + sizeof (struct target_timeval), 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_link
|
|
static void
|
|
print_link(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_string(arg0, 0);
|
|
print_string(arg1, 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_linkat
|
|
static void
|
|
print_linkat(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_at_dirfd(arg0, 0);
|
|
print_string(arg1, 0);
|
|
print_at_dirfd(arg2, 0);
|
|
print_string(arg3, 0);
|
|
print_flags(at_file_flags, arg4, 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) || \
|
|
defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64)
|
|
static void
|
|
print_stat(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_string(arg0, 0);
|
|
print_pointer(arg1, 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#define print_lstat print_stat
|
|
#define print_stat64 print_stat
|
|
#define print_lstat64 print_stat
|
|
#endif
|
|
|
|
#if defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64)
|
|
static void
|
|
print_fstat(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_raw_param("%d", tswap32(arg0), 0);
|
|
print_pointer(arg1, 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#define print_fstat64 print_fstat
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_mkdir
|
|
static void
|
|
print_mkdir(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_string(arg0, 0);
|
|
print_file_mode(arg1, 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_mkdirat
|
|
static void
|
|
print_mkdirat(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_at_dirfd(arg0, 0);
|
|
print_string(arg1, 0);
|
|
print_file_mode(arg2, 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_mknod
|
|
static void
|
|
print_mknod(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
int hasdev = (tswapl(arg1) & (S_IFCHR|S_IFBLK));
|
|
|
|
print_syscall_prologue(name);
|
|
print_string(arg0, 0);
|
|
print_file_mode(arg1, (hasdev == 0));
|
|
if (hasdev) {
|
|
print_raw_param("makedev(%d", major(tswapl(arg2)), 0);
|
|
print_raw_param("%d)", minor(tswapl(arg2)), 1);
|
|
}
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_mknodat
|
|
static void
|
|
print_mknodat(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
int hasdev = (tswapl(arg2) & (S_IFCHR|S_IFBLK));
|
|
|
|
print_syscall_prologue(name);
|
|
print_at_dirfd(arg0, 0);
|
|
print_string(arg1, 0);
|
|
print_file_mode(arg2, (hasdev == 0));
|
|
if (hasdev) {
|
|
print_raw_param("makedev(%d", major(tswapl(arg3)), 0);
|
|
print_raw_param("%d)", minor(tswapl(arg3)), 1);
|
|
}
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_mq_open
|
|
static void
|
|
print_mq_open(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
int is_creat = (tswapl(arg1) & TARGET_O_CREAT);
|
|
|
|
print_syscall_prologue(name);
|
|
print_string(arg0, 0);
|
|
print_open_flags(arg1, (is_creat == 0));
|
|
if (is_creat) {
|
|
print_file_mode(arg2, 0);
|
|
print_pointer(arg3, 1);
|
|
}
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_open
|
|
static void
|
|
print_open(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
int is_creat = (tswap32(arg1) & TARGET_O_CREAT);
|
|
|
|
print_syscall_prologue(name);
|
|
print_string(arg0, 0);
|
|
print_open_flags(arg1, (is_creat == 0));
|
|
if (is_creat)
|
|
print_file_mode(arg2, 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_openat
|
|
static void
|
|
print_openat(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
int is_creat = (tswap32(arg2) & TARGET_O_CREAT);
|
|
|
|
print_syscall_prologue(name);
|
|
print_at_dirfd(arg0, 0);
|
|
print_string(arg1, 0);
|
|
print_open_flags(arg2, (is_creat == 0));
|
|
if (is_creat)
|
|
print_file_mode(arg3, 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_mq_unlink
|
|
static void
|
|
print_mq_unlink(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_string(arg0, 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#if defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)
|
|
static void
|
|
print_fstatat64(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_at_dirfd(arg0, 0);
|
|
print_string(arg1, 0);
|
|
print_pointer(arg2, 0);
|
|
print_flags(at_file_flags, arg3, 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#define print_newfstatat print_fstatat64
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_readlink
|
|
static void
|
|
print_readlink(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_string(arg0, 0);
|
|
print_pointer(arg1, 0);
|
|
print_raw_param("%u", tswapl(arg2), 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_readlinkat
|
|
static void
|
|
print_readlinkat(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_at_dirfd(arg0, 0);
|
|
print_string(arg1, 0);
|
|
print_pointer(arg2, 0);
|
|
print_raw_param("%u", tswapl(arg3), 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_rename
|
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static void
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print_rename(const struct syscallname *name,
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abi_long arg0, abi_long arg1, abi_long arg2,
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abi_long arg3, abi_long arg4, abi_long arg5)
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{
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print_syscall_prologue(name);
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print_string(arg0, 0);
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print_string(arg1, 1);
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print_syscall_epilogue(name);
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}
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#endif
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#ifdef TARGET_NR_renameat
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static void
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print_renameat(const struct syscallname *name,
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abi_long arg0, abi_long arg1, abi_long arg2,
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abi_long arg3, abi_long arg4, abi_long arg5)
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{
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print_syscall_prologue(name);
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print_at_dirfd(arg0, 0);
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print_string(arg1, 0);
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print_at_dirfd(arg2, 0);
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print_string(arg3, 1);
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print_syscall_epilogue(name);
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}
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#endif
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#ifdef TARGET_NR_statfs
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static void
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print_statfs(const struct syscallname *name,
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abi_long arg0, abi_long arg1, abi_long arg2,
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abi_long arg3, abi_long arg4, abi_long arg5)
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{
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print_syscall_prologue(name);
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print_string(arg0, 0);
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print_pointer(arg1, 1);
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print_syscall_epilogue(name);
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}
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#define print_statfs64 print_statfs
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#endif
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#ifdef TARGET_NR_symlink
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static void
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print_symlink(const struct syscallname *name,
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abi_long arg0, abi_long arg1, abi_long arg2,
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abi_long arg3, abi_long arg4, abi_long arg5)
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{
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print_syscall_prologue(name);
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print_string(arg0, 0);
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print_string(arg1, 1);
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print_syscall_epilogue(name);
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}
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#endif
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#ifdef TARGET_NR_symlinkat
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static void
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print_symlinkat(const struct syscallname *name,
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abi_long arg0, abi_long arg1, abi_long arg2,
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abi_long arg3, abi_long arg4, abi_long arg5)
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{
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print_syscall_prologue(name);
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print_string(arg0, 0);
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print_at_dirfd(arg1, 0);
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print_string(arg2, 1);
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print_syscall_epilogue(name);
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}
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#endif
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#ifdef TARGET_NR_mount
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static void
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print_mount(const struct syscallname *name,
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abi_long arg0, abi_long arg1, abi_long arg2,
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abi_long arg3, abi_long arg4, abi_long arg5)
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{
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print_syscall_prologue(name);
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print_string(arg0, 0);
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print_string(arg1, 0);
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print_string(arg2, 0);
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print_flags(mount_flags, arg3, 0);
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print_pointer(arg4, 1);
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print_syscall_epilogue(name);
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}
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#endif
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#ifdef TARGET_NR_umount
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static void
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print_umount(const struct syscallname *name,
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abi_long arg0, abi_long arg1, abi_long arg2,
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abi_long arg3, abi_long arg4, abi_long arg5)
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{
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print_syscall_prologue(name);
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print_string(arg0, 1);
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print_syscall_epilogue(name);
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}
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#endif
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#ifdef TARGET_NR_umount2
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static void
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print_umount2(const struct syscallname *name,
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abi_long arg0, abi_long arg1, abi_long arg2,
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abi_long arg3, abi_long arg4, abi_long arg5)
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{
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print_syscall_prologue(name);
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print_string(arg0, 0);
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print_flags(umount2_flags, arg1, 1);
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print_syscall_epilogue(name);
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}
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#endif
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#ifdef TARGET_NR_unlink
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static void
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print_unlink(const struct syscallname *name,
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abi_long arg0, abi_long arg1, abi_long arg2,
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abi_long arg3, abi_long arg4, abi_long arg5)
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{
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print_syscall_prologue(name);
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print_string(arg0, 1);
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print_syscall_epilogue(name);
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}
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#endif
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#ifdef TARGET_NR_unlinkat
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static void
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print_unlinkat(const struct syscallname *name,
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abi_long arg0, abi_long arg1, abi_long arg2,
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abi_long arg3, abi_long arg4, abi_long arg5)
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{
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print_syscall_prologue(name);
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print_at_dirfd(arg0, 0);
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print_string(arg1, 0);
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print_flags(unlinkat_flags, arg2, 1);
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print_syscall_epilogue(name);
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}
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#endif
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#ifdef TARGET_NR_utime
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static void
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print_utime(const struct syscallname *name,
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abi_long arg0, abi_long arg1, abi_long arg2,
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abi_long arg3, abi_long arg4, abi_long arg5)
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{
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print_syscall_prologue(name);
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print_string(arg0, 0);
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print_pointer(arg1, 1);
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print_syscall_epilogue(name);
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}
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#endif
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|
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#ifdef TARGET_NR_utimes
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static void
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print_utimes(const struct syscallname *name,
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abi_long arg0, abi_long arg1, abi_long arg2,
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abi_long arg3, abi_long arg4, abi_long arg5)
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{
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print_syscall_prologue(name);
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print_string(arg0, 0);
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print_pointer(arg1, 1);
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print_syscall_epilogue(name);
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}
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#endif
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#ifdef TARGET_NR_utimensat
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static void
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print_utimensat(const struct syscallname *name,
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abi_long arg0, abi_long arg1, abi_long arg2,
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abi_long arg3, abi_long arg4, abi_long arg5)
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{
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print_syscall_prologue(name);
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print_at_dirfd(arg0, 0);
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print_string(arg1, 0);
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print_pointer(arg2, 0);
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print_flags(at_file_flags, arg3, 1);
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print_syscall_epilogue(name);
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}
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#endif
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#ifdef TARGET_NR_mmap
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static void
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print_mmap(const struct syscallname *name,
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abi_long arg0, abi_long arg1, abi_long arg2,
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abi_long arg3, abi_long arg4, abi_long arg5)
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{
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print_syscall_prologue(name);
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print_pointer(arg0, 0);
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print_raw_param("%d", tswapl(arg1), 0);
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print_flags(mmap_prot_flags, arg2, 0);
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print_flags(mmap_flags, arg3, 0);
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print_raw_param("%d", tswapl(arg4), 0);
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print_raw_param("%#x", tswapl(arg5), 1);
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print_syscall_epilogue(name);
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}
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|
#define print_mmap2 print_mmap
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|
#endif
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#ifdef TARGET_NR_mprotect
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|
static void
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|
print_mprotect(const struct syscallname *name,
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|
abi_long arg0, abi_long arg1, abi_long arg2,
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|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
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|
print_pointer(arg0, 0);
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|
print_raw_param("%d", tswapl(arg1), 0);
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print_flags(mmap_prot_flags, arg2, 1);
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|
print_syscall_epilogue(name);
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|
}
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|
#endif
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|
#ifdef TARGET_NR_munmap
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|
static void
|
|
print_munmap(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_pointer(arg0, 0);
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|
print_raw_param("%d", tswapl(arg1), 1);
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|
print_syscall_epilogue(name);
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|
}
|
|
#endif
|
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|
|
#ifdef TARGET_NR_futex
|
|
static void print_futex_op(abi_long tflag, int last)
|
|
{
|
|
#define print_op(val) \
|
|
if( cmd == val ) { \
|
|
gemu_log(#val); \
|
|
return; \
|
|
}
|
|
|
|
int cmd = (int)tswap32(tflag);
|
|
#ifdef FUTEX_PRIVATE_FLAG
|
|
if (cmd == FUTEX_PRIVATE_FLAG)
|
|
gemu_log("FUTEX_PRIVATE_FLAG|");
|
|
#endif
|
|
print_op(FUTEX_WAIT)
|
|
print_op(FUTEX_WAKE)
|
|
print_op(FUTEX_FD)
|
|
print_op(FUTEX_REQUEUE)
|
|
print_op(FUTEX_CMP_REQUEUE)
|
|
print_op(FUTEX_WAKE_OP)
|
|
print_op(FUTEX_LOCK_PI)
|
|
print_op(FUTEX_UNLOCK_PI)
|
|
print_op(FUTEX_TRYLOCK_PI)
|
|
#ifdef FUTEX_WAIT_BITSET
|
|
print_op(FUTEX_WAIT_BITSET)
|
|
#endif
|
|
#ifdef FUTEX_WAKE_BITSET
|
|
print_op(FUTEX_WAKE_BITSET)
|
|
#endif
|
|
/* unknown values */
|
|
gemu_log("%d",cmd);
|
|
}
|
|
|
|
static void
|
|
print_futex(const struct syscallname *name,
|
|
abi_long arg0, abi_long arg1, abi_long arg2,
|
|
abi_long arg3, abi_long arg4, abi_long arg5)
|
|
{
|
|
print_syscall_prologue(name);
|
|
print_pointer(arg0, 0);
|
|
print_futex_op(arg1, 0);
|
|
print_raw_param(",%d", tswapl(arg2), 0);
|
|
print_pointer(arg3, 0); /* struct timespec */
|
|
print_pointer(arg4, 0);
|
|
print_raw_param("%d", tswapl(arg4), 1);
|
|
print_syscall_epilogue(name);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* An array of all of the syscalls we know about
|
|
*/
|
|
|
|
static const struct syscallname scnames[] = {
|
|
#include "strace.list"
|
|
};
|
|
|
|
static int nsyscalls = ARRAY_SIZE(scnames);
|
|
|
|
/*
|
|
* The public interface to this module.
|
|
*/
|
|
void
|
|
print_syscall(int num,
|
|
abi_long arg1, abi_long arg2, abi_long arg3,
|
|
abi_long arg4, abi_long arg5, abi_long arg6)
|
|
{
|
|
int i;
|
|
const char *format="%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ")";
|
|
|
|
gemu_log("%d ", getpid() );
|
|
|
|
for(i=0;i<nsyscalls;i++)
|
|
if( scnames[i].nr == num ) {
|
|
if( scnames[i].call != NULL ) {
|
|
scnames[i].call(&scnames[i],arg1,arg2,arg3,arg4,arg5,arg6);
|
|
} else {
|
|
/* XXX: this format system is broken because it uses
|
|
host types and host pointers for strings */
|
|
if( scnames[i].format != NULL )
|
|
format = scnames[i].format;
|
|
gemu_log(format,scnames[i].name, arg1,arg2,arg3,arg4,arg5,arg6);
|
|
}
|
|
return;
|
|
}
|
|
gemu_log("Unknown syscall %d\n", num);
|
|
}
|
|
|
|
|
|
void
|
|
print_syscall_ret(int num, abi_long ret)
|
|
{
|
|
int i;
|
|
|
|
for(i=0;i<nsyscalls;i++)
|
|
if( scnames[i].nr == num ) {
|
|
if( scnames[i].result != NULL ) {
|
|
scnames[i].result(&scnames[i],ret);
|
|
} else {
|
|
if( ret < 0 ) {
|
|
gemu_log(" = -1 errno=" TARGET_ABI_FMT_ld " (%s)\n", -ret, target_strerror(-ret));
|
|
} else {
|
|
gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|