diff --git a/linux-user/strace.c b/linux-user/strace.c index 2cbaf94c89..3a81cc95f4 100644 --- a/linux-user/strace.c +++ b/linux-user/strace.c @@ -4344,6 +4344,111 @@ print_statx(CPUArchState *cpu_env, const struct syscallname *name, } #endif +#if defined(TARGET_NR_fsconfig) && defined(NR_fsconfig) +static void +print_fsconfig_cmd_name(int cmd) +{ + switch (cmd) { + case FSCONFIG_SET_FLAG: + qemu_log("%s%s", "FSCONFIG_SET_FLAG", get_comma(0)); + break; + case FSCONFIG_SET_STRING: + qemu_log("%s%s", "FSCONFIG_SET_STRING", get_comma(0)); + break; + case FSCONFIG_SET_BINARY: + qemu_log("%s%s", "FSCONFIG_SET_BINARY", get_comma(0)); + break; + case FSCONFIG_SET_PATH: + qemu_log("%s%s", "FSCONFIG_SET_PATH", get_comma(0)); + break; + case FSCONFIG_SET_PATH_EMPTY: + qemu_log("%s%s", "FSCONFIG_SET_PATH_EMPTY", get_comma(0)); + break; + case FSCONFIG_SET_FD: + qemu_log("%s%s", "FSCONFIG_SET_FD", get_comma(0)); + break; + case FSCONFIG_CMD_CREATE: + qemu_log("%s%s", "FSCONFIG_CMD_CREATE", get_comma(0)); + break; + case FSCONFIG_CMD_RECONFIGURE: + qemu_log("%s%s", "FSCONFIG_CMD_RECONFIGURE", get_comma(0)); + break; +#ifdef FSCONFIG_CMD_CREATE_EXCL + case FSCONFIG_CMD_CREATE_EXCL: + /* Only available since Linux 6.6. */ + qemu_log("%s%s", "FSCONFIG_CMD_CREATE_EXCL", get_comma(0)); + break; +#endif + default: + qemu_log("%s (%d)%s", "UNKNOWN_CMD", cmd, get_comma(0)); + break; + } +} + +static void +print_fsconfig(CPUArchState *cpu_env, const struct syscallname *name, + abi_long arg0, abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4, abi_long arg5) +{ + /* + * fsconfig(int fd, int cmd, char* key, void* value, int aux) + * Where: + * fd: file descriptor returned by fsopen(). + * cmd: integer constant specifying a command. + * key: a string, can be NULL on certain commands. + * value: any data in a buffer, can be NULL, raw buffer or a string. + * aux: axillary values such as flags for FSCONFIG_SET_PATH. + */ + int cmd = (int) arg1; + print_syscall_prologue(name); + print_raw_param("%d", arg0, 0); + print_fsconfig_cmd_name(cmd); + /* Process arg2 (key). */ + switch (cmd) { + case FSCONFIG_SET_FLAG: + case FSCONFIG_SET_STRING: + case FSCONFIG_SET_BINARY: + case FSCONFIG_SET_PATH: + case FSCONFIG_SET_PATH_EMPTY: + case FSCONFIG_SET_FD: + print_string(arg2, 0); + break; + default: + print_pointer(arg2, 0); + break; + } + /* Process arg3 (value). */ + switch (cmd) { + case FSCONFIG_SET_STRING: + case FSCONFIG_SET_PATH: + case FSCONFIG_SET_PATH_EMPTY: + print_string(arg3, 0); + break; + default: + print_pointer(arg3, 0); + break; + } + /* + * Process arg4 (aux). + * On FSCONFIG_SET_PATH and FSCONFIG_SET_PATH_EMPTY, aux can + * be either 0 or AT_FDCWD. + * On FSCONFIG_SET_BINARY, aux is an integer to state the length + * of the buffer pointed by arg3. + * Otherwise, it must be 0. + */ + switch (cmd) { + case FSCONFIG_SET_PATH: + case FSCONFIG_SET_PATH_EMPTY: + print_at_dirfd(arg4, 1); + break; + default: + print_raw_param("%d", arg4, 1); + break; + } + print_syscall_epilogue(name); +} +#endif + #ifdef TARGET_NR_ioctl static void print_ioctl(CPUArchState *cpu_env, const struct syscallname *name, diff --git a/linux-user/strace.list b/linux-user/strace.list index 6162a407f9..e363892e0a 100644 --- a/linux-user/strace.list +++ b/linux-user/strace.list @@ -1722,3 +1722,18 @@ #ifdef TARGET_NR_rseq { TARGET_NR_rseq, "rseq" , "%s(%p,%u,%d,%#x)", NULL, NULL }, #endif +#ifdef TARGET_NR_fsopen +{ TARGET_NR_fsopen, "fsopen", "%s(%s,%d)", NULL, NULL }, +#endif +#if defined(TARGET_NR_fsconfig) && defined(NR_fsconfig) +{ TARGET_NR_fsconfig, "fsconfig", NULL, print_fsconfig, NULL }, +#endif +#ifdef TARGET_NR_fsmount +{ TARGET_NR_fsmount, "fsmount", "%s(%d,%d,%d)", NULL, NULL }, +#endif +#ifdef TARGET_NR_move_mount +{ TARGET_NR_move_mount, "move_mount", "%s(%d,%s,%d,%s,%d)", NULL, NULL }, +#endif +#ifdef TARGET_NR_fspick +{ TARGET_NR_fspick, "fspick", "%s(%d,%s,%d)", NULL, NULL }, +#endif