--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/linux-user/strace.c Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,316 @@
+#include <stdio.h>
+#include <errno.h>
+#include <sys/ipc.h>
+#include <sys/msg.h>
+#include <sys/sem.h>
+#include <sys/shm.h>
+#include <sys/select.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include "qemu.h"
+
+int do_strace=0;
+
+struct syscallname {
+ int nr;
+ const char *name;
+ const char *format;
+ void (*call)(const struct syscallname *,
+ abi_long, abi_long, abi_long,
+ abi_long, abi_long, abi_long);
+ void (*result)(const struct syscallname *, abi_long);
+};
+
+/*
+ * Utility functions
+ */
+static void
+print_ipc_cmd(int cmd)
+{
+#define output_cmd(val) \
+if( cmd == val ) { \
+ gemu_log(#val); \
+ return; \
+}
+
+ cmd &= 0xff;
+
+ /* General IPC commands */
+ output_cmd( IPC_RMID );
+ output_cmd( IPC_SET );
+ output_cmd( IPC_STAT );
+ output_cmd( IPC_INFO );
+ /* msgctl() commands */
+ #ifdef __USER_MISC
+ output_cmd( MSG_STAT );
+ output_cmd( MSG_INFO );
+ #endif
+ /* shmctl() commands */
+ output_cmd( SHM_LOCK );
+ output_cmd( SHM_UNLOCK );
+ output_cmd( SHM_STAT );
+ output_cmd( SHM_INFO );
+ /* semctl() commands */
+ output_cmd( GETPID );
+ output_cmd( GETVAL );
+ output_cmd( GETALL );
+ output_cmd( GETNCNT );
+ output_cmd( GETZCNT );
+ output_cmd( SETVAL );
+ output_cmd( SETALL );
+ output_cmd( SEM_STAT );
+ output_cmd( SEM_INFO );
+ output_cmd( IPC_RMID );
+ output_cmd( IPC_RMID );
+ output_cmd( IPC_RMID );
+ output_cmd( IPC_RMID );
+ output_cmd( IPC_RMID );
+ output_cmd( IPC_RMID );
+ output_cmd( IPC_RMID );
+ output_cmd( IPC_RMID );
+ output_cmd( IPC_RMID );
+
+ /* Some value we don't recognize */
+ gemu_log("%d",cmd);
+}
+
+#ifdef TARGET_NR__newselect
+static void
+print_fdset(int n, abi_ulong target_fds_addr)
+{
+ int i;
+
+ gemu_log("[");
+ if( target_fds_addr ) {
+ abi_long *target_fds;
+
+ target_fds = lock_user(VERIFY_READ,
+ target_fds_addr,
+ sizeof(*target_fds)*(n / TARGET_ABI_BITS + 1),
+ 1);
+
+ if (!target_fds)
+ return;
+
+ for (i=n; i>=0; i--) {
+ if ((tswapl(target_fds[i / TARGET_ABI_BITS]) >> (i & (TARGET_ABI_BITS - 1))) & 1)
+ gemu_log("%d,", i );
+ }
+ unlock_user(target_fds, target_fds_addr, 0);
+ }
+ gemu_log("]");
+}
+
+static void
+print_timeval(abi_ulong tv_addr)
+{
+ 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 "}",
+ tv->tv_sec, tv->tv_usec);
+ unlock_user(tv, tv_addr, 0);
+ } else
+ gemu_log("NULL");
+}
+#endif
+
+/*
+ * Sysycall specific output functions
+ */
+
+/* select */
+#ifdef TARGET_NR__newselect
+static long newselect_arg1 = 0;
+static long newselect_arg2 = 0;
+static long newselect_arg3 = 0;
+static long newselect_arg4 = 0;
+static long newselect_arg5 = 0;
+
+static void
+print_newselect(const struct syscallname *name,
+ abi_long arg1, abi_long arg2, abi_long arg3,
+ abi_long arg4, abi_long arg5, abi_long arg6)
+{
+ gemu_log("%s(" TARGET_ABI_FMT_ld ",", name->name, arg1);
+ print_fdset(arg1, arg2);
+ gemu_log(",");
+ print_fdset(arg1, arg3);
+ gemu_log(",");
+ print_fdset(arg1, arg4);
+ gemu_log(",");
+ print_timeval(arg5);
+ gemu_log(")");
+
+ /* save for use in the return output function below */
+ newselect_arg1=arg1;
+ newselect_arg2=arg2;
+ newselect_arg3=arg3;
+ newselect_arg4=arg4;
+ newselect_arg5=arg5;
+}
+#endif
+
+#ifdef TARGET_NR_semctl
+static void
+print_semctl(const struct syscallname *name,
+ abi_long arg1, abi_long arg2, abi_long arg3,
+ abi_long arg4, abi_long arg5, abi_long arg6)
+{
+ gemu_log("%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",", name->name, arg1, arg2);
+ print_ipc_cmd(arg3);
+ gemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
+}
+#endif
+
+static void
+print_execve(const struct syscallname *name,
+ abi_long arg1, abi_long arg2, abi_long arg3,
+ abi_long arg4, abi_long arg5, abi_long arg6)
+{
+ abi_ulong arg_ptr_addr;
+ char *s;
+
+ if (!(s = lock_user_string(arg1)))
+ return;
+ gemu_log("%s(\"%s\",{", name->name, s);
+ unlock_user(s, arg1, 0);
+
+ for (arg_ptr_addr = arg2; ; arg_ptr_addr += sizeof(abi_ulong)) {
+ abi_ulong *arg_ptr, arg_addr;
+
+ arg_ptr = lock_user(VERIFY_READ, arg_ptr_addr, sizeof(abi_ulong), 1);
+ if (!arg_ptr)
+ return;
+ arg_addr = tswapl(*arg_ptr);
+ unlock_user(arg_ptr, arg_ptr_addr, 0);
+ if (!arg_addr)
+ break;
+ if ((s = lock_user_string(arg_addr))) {
+ gemu_log("\"%s\",", s);
+ unlock_user(s, arg_addr, 0);
+ }
+ }
+
+ gemu_log("NULL})");
+}
+
+#ifdef TARGET_NR_ipc
+static void
+print_ipc(const struct syscallname *name,
+ abi_long arg1, abi_long arg2, abi_long arg3,
+ abi_long arg4, abi_long arg5, abi_long arg6)
+{
+ switch(arg1) {
+ case IPCOP_semctl:
+ gemu_log("semctl(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",", arg1, arg2);
+ print_ipc_cmd(arg3);
+ gemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
+ break;
+ default:
+ gemu_log("%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ")",
+ name->name, arg1, arg2, arg3, arg4);
+ }
+}
+#endif
+
+/*
+ * Variants for the return value output function
+ */
+
+static void
+print_syscall_ret_addr(const struct syscallname *name, abi_long ret)
+{
+if( ret == -1 ) {
+ gemu_log(" = -1 errno=%d (%s)\n", errno, target_strerror(errno));
+ } else {
+ gemu_log(" = 0x" TARGET_ABI_FMT_lx "\n", ret);
+ }
+}
+
+#if 0 /* currently unused */
+static void
+print_syscall_ret_raw(struct syscallname *name, abi_long ret)
+{
+ gemu_log(" = 0x" TARGET_ABI_FMT_lx "\n", ret);
+}
+#endif
+
+#ifdef TARGET_NR__newselect
+static void
+print_syscall_ret_newselect(const struct syscallname *name, abi_long ret)
+{
+ gemu_log(" = 0x" TARGET_ABI_FMT_lx " (", ret);
+ print_fdset(newselect_arg1,newselect_arg2);
+ gemu_log(",");
+ print_fdset(newselect_arg1,newselect_arg3);
+ gemu_log(",");
+ print_fdset(newselect_arg1,newselect_arg4);
+ gemu_log(",");
+ print_timeval(newselect_arg5);
+ gemu_log(")\n");
+}
+#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;
+ }
+}