diff options
Diffstat (limited to 'qemu/bsd-user/strace.c')
| -rw-r--r-- | qemu/bsd-user/strace.c | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/qemu/bsd-user/strace.c b/qemu/bsd-user/strace.c deleted file mode 100644 index fa66fe1ee..000000000 --- a/qemu/bsd-user/strace.c +++ /dev/null @@ -1,238 +0,0 @@ -/* - * System call tracing and debugging - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -#include "qemu/osdep.h" -#include <sys/select.h> -#include <sys/syscall.h> -#include <sys/ioccom.h> - -#include "qemu.h" - -int do_strace; - -/* - * Utility functions - */ - -static void print_sysctl(const struct syscallname *name, abi_long arg1, - abi_long arg2, abi_long arg3, abi_long arg4, abi_long arg5, - abi_long arg6) -{ - uint32_t i; - int32_t *namep; - - gemu_log("%s({ ", name->name); - namep = lock_user(VERIFY_READ, arg1, sizeof(int32_t) * arg2, 1); - if (namep) { - int32_t *p = namep; - - for (i = 0; i < (uint32_t)arg2; i++) { - gemu_log("%d ", tswap32(*p++)); - } - unlock_user(namep, arg1, 0); - } - gemu_log("}, %u, 0x" TARGET_ABI_FMT_lx ", 0x" TARGET_ABI_FMT_lx ", 0x" - TARGET_ABI_FMT_lx ", 0x" TARGET_ABI_FMT_lx ")", - (uint32_t)arg2, arg3, arg4, arg5, arg6); -} - -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; - - s = lock_user_string(arg1); - if (s == NULL) { - 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})"); -} - -static void print_ioctl(const struct syscallname *name, - abi_long arg1, abi_long arg2, abi_long arg3, abi_long arg4, - abi_long arg5, abi_long arg6) -{ - /* Decode the ioctl request */ - gemu_log("%s(%d, 0x%0lx { IO%s%s GRP:0x%x('%c') CMD:%d LEN:%d }, 0x" - TARGET_ABI_FMT_lx ", ...)", - name->name, - (int)arg1, - (unsigned long)arg2, - arg2 & IOC_OUT ? "R" : "", - arg2 & IOC_IN ? "W" : "", - (unsigned)IOCGROUP(arg2), - isprint(IOCGROUP(arg2)) ? (char)IOCGROUP(arg2) : '?', - (int)arg2 & 0xFF, - (int)IOCPARM_LEN(arg2), - arg3); -} - -/* - * 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, 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 - -/* - * An array of all of the syscalls we know about - */ - -static const struct syscallname freebsd_scnames[] = { -#include "freebsd/strace.list" -}; -static const struct syscallname netbsd_scnames[] = { -#include "netbsd/strace.list" -}; -static const struct syscallname openbsd_scnames[] = { -#include "openbsd/strace.list" -}; - -static void print_syscall(int num, const struct syscallname *scnames, - unsigned int nscnames, abi_long arg1, abi_long arg2, abi_long arg3, - abi_long arg4, abi_long arg5, abi_long arg6) -{ - unsigned 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 < nscnames; 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); -} - -static void print_syscall_ret(int num, abi_long ret, - const struct syscallname *scnames, unsigned int nscnames) -{ - unsigned int i; - - for (i = 0; i < nscnames; 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, - strerror(-ret)); - } else { - gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret); - } - } - break; - } - } -} - -/* - * The public interface to this module. - */ -void print_freebsd_syscall(int num, abi_long arg1, abi_long arg2, abi_long arg3, - abi_long arg4, abi_long arg5, abi_long arg6) -{ - - print_syscall(num, freebsd_scnames, ARRAY_SIZE(freebsd_scnames), arg1, arg2, - arg3, arg4, arg5, arg6); -} - -void print_freebsd_syscall_ret(int num, abi_long ret) -{ - - print_syscall_ret(num, ret, freebsd_scnames, ARRAY_SIZE(freebsd_scnames)); -} - -void print_netbsd_syscall(int num, abi_long arg1, abi_long arg2, abi_long arg3, - abi_long arg4, abi_long arg5, abi_long arg6) -{ - - print_syscall(num, netbsd_scnames, ARRAY_SIZE(netbsd_scnames), - arg1, arg2, arg3, arg4, arg5, arg6); -} - -void print_netbsd_syscall_ret(int num, abi_long ret) -{ - - print_syscall_ret(num, ret, netbsd_scnames, ARRAY_SIZE(netbsd_scnames)); -} - -void print_openbsd_syscall(int num, abi_long arg1, abi_long arg2, abi_long arg3, - abi_long arg4, abi_long arg5, abi_long arg6) -{ - - print_syscall(num, openbsd_scnames, ARRAY_SIZE(openbsd_scnames), arg1, arg2, - arg3, arg4, arg5, arg6); -} - -void print_openbsd_syscall_ret(int num, abi_long ret) -{ - - print_syscall_ret(num, ret, openbsd_scnames, ARRAY_SIZE(openbsd_scnames)); -} |