No functional change. This will aid moving everything related to ioctls to a separate file.
Signed-off-by: Richard Henderson <richard.hender...@linaro.org> --- linux-user/syscall.c | 113 +++++++++++++++++++++++-------------------- 1 file changed, 61 insertions(+), 52 deletions(-) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 33d536262f..82b7267b20 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -4778,58 +4778,6 @@ _syscall1(int, sys_setgid, gid_t, gid) _syscall3(int, sys_setresuid, uid_t, ruid, uid_t, euid, uid_t, suid) _syscall3(int, sys_setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid) -void syscall_init(void) -{ - IOCTLEntry *ie; - const argtype *arg_type; - int size; - int i; - - thunk_init(STRUCT_MAX); - -#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); -#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); -#include "syscall_types.h" -#undef STRUCT -#undef STRUCT_SPECIAL - - /* Build target_to_host_errno_table[] table from - * host_to_target_errno_table[]. */ - for (i = 0; i < ERRNO_TABLE_SIZE; i++) { - target_to_host_errno_table[host_to_target_errno_table[i]] = i; - } - - /* we patch the ioctl size if necessary. We rely on the fact that - no ioctl has all the bits at '1' in the size field */ - ie = ioctl_entries; - while (ie->target_cmd != 0) { - if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == - TARGET_IOC_SIZEMASK) { - arg_type = ie->arg_type; - if (arg_type[0] != TYPE_PTR) { - fprintf(stderr, "cannot patch size for ioctl 0x%x\n", - ie->target_cmd); - exit(1); - } - arg_type++; - size = thunk_type_size(arg_type, 0); - ie->target_cmd = (ie->target_cmd & - ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | - (size << TARGET_IOC_SIZESHIFT); - } - - /* automatic consistency check if same arch */ -#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \ - (defined(__x86_64__) && defined(TARGET_X86_64)) - if (unlikely(ie->target_cmd != ie->host_cmd)) { - fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n", - ie->name, ie->target_cmd, ie->host_cmd); - } -#endif - ie++; - } -} - static inline uint64_t target_offset64(abi_ulong word0, abi_ulong word1) { #if TARGET_ABI_BITS == 64 @@ -8983,3 +8931,64 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, trace_guest_user_syscall_ret(cpu, num, ret); return ret; } + +void syscall_init(void) +{ + IOCTLEntry *ie; + const argtype *arg_type; + int size; + int i; + + thunk_init(STRUCT_MAX); + +#define STRUCT(name, ...) \ + thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); +#define STRUCT_SPECIAL(name) \ + thunk_register_struct_direct(STRUCT_ ## name, #name, \ + &struct_ ## name ## _def); + +#include "syscall_types.h" + +#undef STRUCT +#undef STRUCT_SPECIAL + + /* + * Build target_to_host_errno_table[] table from + * host_to_target_errno_table[]. + */ + for (i = 0; i < ERRNO_TABLE_SIZE; i++) { + target_to_host_errno_table[host_to_target_errno_table[i]] = i; + } + + /* + * We patch the ioctl size if necessary. We rely on the fact that + * no ioctl has all the bits at '1' in the size field. + */ + ie = ioctl_entries; + while (ie->target_cmd != 0) { + if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == + TARGET_IOC_SIZEMASK) { + arg_type = ie->arg_type; + if (arg_type[0] != TYPE_PTR) { + fprintf(stderr, "cannot patch size for ioctl 0x%x\n", + ie->target_cmd); + exit(1); + } + arg_type++; + size = thunk_type_size(arg_type, 0); + ie->target_cmd = (ie->target_cmd & + ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | + (size << TARGET_IOC_SIZESHIFT); + } + + /* automatic consistency check if same arch */ +#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \ + (defined(__x86_64__) && defined(TARGET_X86_64)) + if (unlikely(ie->target_cmd != ie->host_cmd)) { + fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n", + ie->name, ie->target_cmd, ie->host_cmd); + } +#endif + ie++; + } +} -- 2.17.2