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Merge remote-tracking branch 'riku/linux-user-for-upstream' into staging

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This commit is contained in:
Anthony Liguori 2011-07-19 07:43:51 -05:00
commit 81773a5055
22 changed files with 557 additions and 105 deletions
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129
arm-semi.c
View File

@ -34,6 +34,7 @@
#else
#include "qemu-common.h"
#include "gdbstub.h"
#include "hw/arm-misc.h"
#endif
#define SYS_OPEN 0x01
@ -369,68 +370,88 @@ uint32_t do_arm_semihosting(CPUState *env)
return syscall_err;
#endif
case SYS_GET_CMDLINE:
#ifdef CONFIG_USER_ONLY
/* Build a commandline from the original argv. */
{
char *arm_cmdline_buffer;
const char *host_cmdline_buffer;
/* Build a command-line from the original argv.
*
* The inputs are:
* * ARG(0), pointer to a buffer of at least the size
* specified in ARG(1).
* * ARG(1), size of the buffer pointed to by ARG(0) in
* bytes.
*
* The outputs are:
* * ARG(0), pointer to null-terminated string of the
* command line.
* * ARG(1), length of the string pointed to by ARG(0).
*/
char *output_buffer;
size_t input_size = ARG(1);
size_t output_size;
int status = 0;
/* Compute the size of the output string. */
#if !defined(CONFIG_USER_ONLY)
output_size = strlen(ts->boot_info->kernel_filename)
+ 1 /* Separating space. */
+ strlen(ts->boot_info->kernel_cmdline)
+ 1; /* Terminating null byte. */
#else
unsigned int i;
unsigned int arm_cmdline_len = ARG(1);
unsigned int host_cmdline_len =
ts->info->arg_end-ts->info->arg_start;
if (!arm_cmdline_len || host_cmdline_len > arm_cmdline_len) {
return -1; /* not enough space to store command line */
}
if (!host_cmdline_len) {
output_size = ts->info->arg_end - ts->info->arg_start;
if (!output_size) {
/* We special-case the "empty command line" case (argc==0).
Just provide the terminating 0. */
arm_cmdline_buffer = lock_user(VERIFY_WRITE, ARG(0), 1, 0);
arm_cmdline_buffer[0] = 0;
unlock_user(arm_cmdline_buffer, ARG(0), 1);
/* Adjust the commandline length argument. */
SET_ARG(1, 0);
return 0;
output_size = 1;
}
/* lock the buffers on the ARM side */
arm_cmdline_buffer =
lock_user(VERIFY_WRITE, ARG(0), host_cmdline_len, 0);
host_cmdline_buffer =
lock_user(VERIFY_READ, ts->info->arg_start,
host_cmdline_len, 1);
if (arm_cmdline_buffer && host_cmdline_buffer)
{
/* the last argument is zero-terminated;
no need for additional termination */
memcpy(arm_cmdline_buffer, host_cmdline_buffer,
host_cmdline_len);
/* separate arguments by white spaces */
for (i = 0; i < host_cmdline_len-1; i++) {
if (arm_cmdline_buffer[i] == 0) {
arm_cmdline_buffer[i] = ' ';
}
}
/* Adjust the commandline length argument. */
SET_ARG(1, host_cmdline_len-1);
}
/* Unlock the buffers on the ARM side. */
unlock_user(arm_cmdline_buffer, ARG(0), host_cmdline_len);
unlock_user((void*)host_cmdline_buffer, ts->info->arg_start, 0);
/* Return success if we could return a commandline. */
return (arm_cmdline_buffer && host_cmdline_buffer) ? 0 : -1;
}
#else
return -1;
#endif
if (output_size > input_size) {
/* Not enough space to store command-line arguments. */
return -1;
}
/* Adjust the command-line length. */
SET_ARG(1, output_size - 1);
/* Lock the buffer on the ARM side. */
output_buffer = lock_user(VERIFY_WRITE, ARG(0), output_size, 0);
if (!output_buffer) {
return -1;
}
/* Copy the command-line arguments. */
#if !defined(CONFIG_USER_ONLY)
pstrcpy(output_buffer, output_size, ts->boot_info->kernel_filename);
pstrcat(output_buffer, output_size, " ");
pstrcat(output_buffer, output_size, ts->boot_info->kernel_cmdline);
#else
if (output_size == 1) {
/* Empty command-line. */
output_buffer[0] = '\0';
goto out;
}
if (copy_from_user(output_buffer, ts->info->arg_start,
output_size)) {
status = -1;
goto out;
}
/* Separate arguments by white spaces. */
for (i = 0; i < output_size - 1; i++) {
if (output_buffer[i] == 0) {
output_buffer[i] = ' ';
}
}
out:
#endif
/* Unlock the buffer on the ARM side. */
unlock_user(output_buffer, ARG(0), output_size);
return status;
}
case SYS_HEAPINFO:
{
uint32_t *ptr;

23
linux-user/alpha/syscall_nr.h
View File

@ -411,4 +411,25 @@
#define TARGET_NR_signalfd 476
#define TARGET_NR_timerfd 477
#define TARGET_NR_eventfd 478
#define TARGET_NR_recvmmsg 479
#define TARGET_NR_fallocate 480
#define TARGET_NR_timerfd_create 481
#define TARGET_NR_timerfd_settime 482
#define TARGET_NR_timerfd_gettime 483
#define TARGET_NR_signalfd4 484
#define TARGET_NR_eventfd2 485
#define TARGET_NR_epoll_create1 486
#define TARGET_NR_dup3 487
#define TARGET_NR_pipe2 488
#define TARGET_NR_inotify_init1 489
#define TARGET_NR_preadv 490
#define TARGET_NR_pwritev 491
#define TARGET_NR_rt_tgsigqueueinfo 492
#define TARGET_NR_perf_event_open 493
#define TARGET_NR_fanotify_init 494
#define TARGET_NR_fanotify_mark 495
#define TARGET_NR_prlimit64 496
#define TARGET_NR_name_to_handle_at 497
#define TARGET_NR_open_by_handle_at 498
#define TARGET_NR_clock_adjtime 499
#define TARGET_NR_syncfs 500

13
linux-user/arm/syscall_nr.h
View File

@ -365,3 +365,16 @@
#define TARGET_NR_dup3 (358)
#define TARGET_NR_pipe2 (359)
#define TARGET_NR_inotify_init1 (360)
#define TARGET_NR_preadv (361)
#define TARGET_NR_pwritev (362)
#define TARGET_NR_rt_tgsigqueueinfo (363)
#define TARGET_NR_perf_event_open (364)
#define TARGET_NR_recvmmsg (365)
#define TARGET_NR_accept4 (366)
#define TARGET_NR_fanotify_init (367)
#define TARGET_NR_fanotify_mark (368)
#define TARGET_NR_prlimit64 (369)
#define TARGET_NR_name_to_handle_at (370)
#define TARGET_NR_open_by_handle_at (371)
#define TARGET_NR_clock_adjtime (372)
#define TARGET_NR_syncfs (373)

2
linux-user/cris/syscall_nr.h
View File

@ -333,3 +333,5 @@
#define TARGET_NR_dup3 330
#define TARGET_NR_pipe2 331
#define TARGET_NR_inotify_init1 332
#define TARGET_NR_preadv 333
#define TARGET_NR_pwritev 334

12
linux-user/i386/syscall_nr.h
View File

@ -335,3 +335,15 @@
#define TARGET_NR_dup3 330
#define TARGET_NR_pipe2 331
#define TARGET_NR_inotify_init1 332
#define TARGET_NR_preadv 333
#define TARGET_NR_pwritev 334
#define TARGET_NR_rt_tgsigqueueinfo 335
#define TARGET_NR_perf_event_open 336
#define TARGET_NR_recvmmsg 337
#define TARGET_NR_fanotify_init 338
#define TARGET_NR_fanotify_mark 339
#define TARGET_NR_prlimit64 340
#define TARGET_NR_name_to_handle_at 341
#define TARGET_NR_open_by_handle_at 342
#define TARGET_NR_clock_adjtime 343
#define TARGET_NR_syncfs 344

13
linux-user/ioctls.h
View File

@ -59,6 +59,10 @@
IOCTL(KDSKBMODE, 0, TYPE_INT)
IOCTL(KDGKBENT, IOC_RW, MK_PTR(MK_STRUCT(STRUCT_kbentry)))
IOCTL(KDGKBSENT, IOC_RW, MK_PTR(MK_STRUCT(STRUCT_kbsentry)))
IOCTL(KDGKBLED, 0, TYPE_INT)
IOCTL(KDSKBLED, 0, TYPE_INT)
IOCTL(KDGETLED, 0, TYPE_INT)
IOCTL(KDSETLED, 0, TYPE_INT)
IOCTL(BLKROSET, IOC_W, MK_PTR(TYPE_INT))
IOCTL(BLKROGET, IOC_R, MK_PTR(TYPE_INT))
@ -325,6 +329,11 @@
IOCTL(FBIOGET_FSCREENINFO, IOC_R, MK_PTR(MK_STRUCT(STRUCT_fb_fix_screeninfo)))
IOCTL(FBIOGET_VSCREENINFO, IOC_R, MK_PTR(MK_STRUCT(STRUCT_fb_var_screeninfo)))
IOCTL(FBIOPUT_VSCREENINFO, IOC_W, MK_PTR(MK_STRUCT(STRUCT_fb_var_screeninfo)))
IOCTL(FBIOGETCMAP, IOC_RW, MK_PTR(MK_STRUCT(STRUCT_fb_cmap)))
IOCTL(FBIOPUTCMAP, IOC_RW, MK_PTR(MK_STRUCT(STRUCT_fb_cmap)))
IOCTL(FBIOPAN_DISPLAY, IOC_RW, MK_PTR(MK_STRUCT(STRUCT_fb_var_screeninfo)))
IOCTL(FBIOGET_CON2FBMAP, IOC_RW, MK_PTR(MK_STRUCT(STRUCT_fb_con2fbmap)))
IOCTL(FBIOPUT_CON2FBMAP, IOC_RW, MK_PTR(MK_STRUCT(STRUCT_fb_con2fbmap)))
IOCTL(VT_OPENQRY, IOC_R, MK_PTR(TYPE_INT))
IOCTL(VT_GETSTATE, IOC_R, MK_PTR(MK_STRUCT(STRUCT_vt_stat)))
@ -332,3 +341,7 @@
IOCTL(VT_WAITACTIVE, 0, TYPE_INT)
IOCTL(VT_LOCKSWITCH, 0, TYPE_INT)
IOCTL(VT_UNLOCKSWITCH, 0, TYPE_INT)
IOCTL(VT_GETMODE, IOC_RW, MK_PTR(MK_STRUCT(STRUCT_vt_mode)))
IOCTL(VT_SETMODE, IOC_RW, MK_PTR(MK_STRUCT(STRUCT_vt_mode)))
IOCTL(VT_RELDISP, 0, TYPE_INT)
IOCTL(VT_DISALLOCATE, 0, TYPE_INT)

16
linux-user/m68k/syscall_nr.h
View File

@ -328,3 +328,19 @@
#define TARGET_NR_dup3 326
#define TARGET_NR_pipe2 327
#define TARGET_NR_inotify_init1 328
#define TARGET_NR_inotify_init1 328
#define TARGET_NR_preadv 329
#define TARGET_NR_pwritev 330
#define TARGET_NR_rt_tgsigqueueinfo 331
#define TARGET_NR_perf_event_open 332
#define TARGET_NR_get_thread_area 333
#define TARGET_NR_set_thread_area 334
#define TARGET_NR_atomic_cmpxchg_32 335
#define TARGET_NR_atomic_barrier 336
#define TARGET_NR_fanotify_init 337
#define TARGET_NR_fanotify_mark 338
#define TARGET_NR_prlimit64 339
#define TARGET_NR_name_to_handle_at 340
#define TARGET_NR_open_by_handle_at 341
#define TARGET_NR_clock_adjtime 342
#define TARGET_NR_syncfs 343

33
linux-user/main.c
View File

@ -1875,7 +1875,7 @@ static const uint8_t mips_syscall_args[] = {
MIPS_SYS(sys_getcwd , 2)
MIPS_SYS(sys_capget , 2)
MIPS_SYS(sys_capset , 2) /* 4205 */
MIPS_SYS(sys_sigaltstack , 0)
MIPS_SYS(sys_sigaltstack , 2)
MIPS_SYS(sys_sendfile , 4)
MIPS_SYS(sys_ni_syscall , 0)
MIPS_SYS(sys_ni_syscall , 0)
@ -1985,6 +1985,33 @@ static const uint8_t mips_syscall_args[] = {
MIPS_SYS(sys_epoll_pwait, 6)
MIPS_SYS(sys_ioprio_set, 3)
MIPS_SYS(sys_ioprio_get, 2)
MIPS_SYS(sys_utimensat, 4)
MIPS_SYS(sys_signalfd, 3)
MIPS_SYS(sys_ni_syscall, 0) /* was timerfd */
MIPS_SYS(sys_eventfd, 1)
MIPS_SYS(sys_fallocate, 6) /* 4320 */
MIPS_SYS(sys_timerfd_create, 2)
MIPS_SYS(sys_timerfd_gettime, 2)
MIPS_SYS(sys_timerfd_settime, 4)
MIPS_SYS(sys_signalfd4, 4)
MIPS_SYS(sys_eventfd2, 2) /* 4325 */
MIPS_SYS(sys_epoll_create1, 1)
MIPS_SYS(sys_dup3, 3)
MIPS_SYS(sys_pipe2, 2)
MIPS_SYS(sys_inotify_init1, 1)
MIPS_SYS(sys_preadv, 6) /* 4330 */
MIPS_SYS(sys_pwritev, 6)
MIPS_SYS(sys_rt_tgsigqueueinfo, 4)
MIPS_SYS(sys_perf_event_open, 5)
MIPS_SYS(sys_accept4, 4)
MIPS_SYS(sys_recvmmsg, 5) /* 4335 */
MIPS_SYS(sys_fanotify_init, 2)
MIPS_SYS(sys_fanotify_mark, 6)
MIPS_SYS(sys_prlimit64, 4)
MIPS_SYS(sys_name_to_handle_at, 5)
MIPS_SYS(sys_open_by_handle_at, 3) /* 4340 */
MIPS_SYS(sys_clock_adjtime, 2)
MIPS_SYS(sys_syncfs, 1)
};
#undef MIPS_SYS
@ -2053,7 +2080,7 @@ void cpu_loop(CPUMIPSState *env)
syscall_num = env->active_tc.gpr[2] - 4000;
env->active_tc.PC += 4;
if (syscall_num >= sizeof(mips_syscall_args)) {
ret = -ENOSYS;
ret = -TARGET_ENOSYS;
} else {
int nb_args;
abi_ulong sp_reg;
@ -2093,6 +2120,8 @@ void cpu_loop(CPUMIPSState *env)
break;
case EXCP_TLBL:
case EXCP_TLBS:
case EXCP_AdEL:
case EXCP_AdES:
info.si_signo = TARGET_SIGSEGV;
info.si_errno = 0;
/* XXX: check env->error_code */

14
linux-user/microblaze/syscall_nr.h
View File

@ -364,6 +364,16 @@
#define TARGET_NR_sendmsg 360 /* new */
#define TARGET_NR_recvmsg 361 /* new */
#define TARGET_NR_accept04 362 /* new */
#define TARGET_NR_syscalls 363
#define TARGET_NR_preadv 363 /* new */
#define TARGET_NR_pwritev 364 /* new */
#define TARGET_NR_rt_tgsigqueueinfo 365 /* new */
#define TARGET_NR_perf_event_open 366 /* new */
#define TARGET_NR_recvmmsg 367 /* new */
#define TARGET_NR_fanotify_init 368
#define TARGET_NR_fanotify_mark 369
#define TARGET_NR_prlimit64 370
#define TARGET_NR_name_to_handle_at 371
#define TARGET_NR_open_by_handle_at 372
#define TARGET_NR_clock_adjtime 373
#define TARGET_NR_syncfs 374

13
linux-user/mips/syscall_nr.h
View File

@ -332,3 +332,16 @@
#define TARGET_NR_dup3 (TARGET_NR_Linux + 327)
#define TARGET_NR_pipe2 (TARGET_NR_Linux + 328)
#define TARGET_NR_inotify_init1 (TARGET_NR_Linux + 329)
#define TARGET_NR_preadv (TARGET_NR_Linux + 330)
#define TARGET_NR_pwritev (TARGET_NR_Linux + 331)
#define TARGET_NR_rt_tgsigqueueinfo (TARGET_NR_Linux + 332)
#define TARGET_NR_perf_event_open (TARGET_NR_Linux + 333)
#define TARGET_NR_accept4 (TARGET_NR_Linux + 334)
#define TARGET_NR_recvmmsg (TARGET_NR_Linux + 335)
#define TARGET_NR_fanotify_init (TARGET_NR_Linux + 336)
#define TARGET_NR_fanotify_mark (TARGET_NR_Linux + 337)
#define TARGET_NR_prlimit64 (TARGET_NR_Linux + 338)
#define TARGET_NR_name_to_handle_at (TARGET_NR_Linux + 339)
#define TARGET_NR_open_by_handle_at (TARGET_NR_Linux + 340)
#define TARGET_NR_clock_adjtime (TARGET_NR_Linux + 341)
#define TARGET_NR_syncfs (TARGET_NR_Linux + 342)

13
linux-user/mips64/syscall_nr.h
View File

@ -291,3 +291,16 @@
#define TARGET_NR_dup3 (TARGET_NR_Linux + 286)
#define TARGET_NR_pipe2 (TARGET_NR_Linux + 287)
#define TARGET_NR_inotify_init1 (TARGET_NR_Linux + 288)
#define TARGET_NR_preadv (TARGET_NR_Linux + 289)
#define TARGET_NR_pwritev (TARGET_NR_Linux + 290)
#define TARGET_NR_rt_tgsigqueueinfo (TARGET_NR_Linux + 291)
#define TARGET_NR_perf_event_open (TARGET_NR_Linux + 292)
#define TARGET_NR_accept4 (TARGET_NR_Linux + 293)
#define TARGET_NR_recvmmsg (TARGET_NR_Linux + 294)
#define TARGET_NR_fanotify_init (TARGET_NR_Linux + 295)
#define TARGET_NR_fanotify_mark (TARGET_NR_Linux + 296)
#define TARGET_NR_prlimit64 (TARGET_NR_Linux + 297)
#define TARGET_NR_name_to_handle_at (TARGET_NR_Linux + 298)
#define TARGET_NR_open_by_handle_at (TARGET_NR_Linux + 299)
#define TARGET_NR_clock_adjtime (TARGET_NR_Linux + 300)
#define TARGET_NR_syncfs (TARGET_NR_Linux + 301)

14
linux-user/mipsn32/syscall_nr.h
View File

@ -295,3 +295,17 @@
#define TARGET_NR_dup3 (TARGET_NR_Linux + 290)
#define TARGET_NR_pipe2 (TARGET_NR_Linux + 291)
#define TARGET_NR_inotify_init1 (TARGET_NR_Linux + 292)
#define TARGET_NR_preadv (TARGET_NR_Linux + 293)
#define TARGET_NR_pwritev (TARGET_NR_Linux + 294)
#define TARGET_NR_rt_tgsigqueueinfo (TARGET_NR_Linux + 295)
#define TARGET_NR_perf_event_open (TARGET_NR_Linux + 296)
#define TARGET_NR_accept4 (TARGET_NR_Linux + 297)
#define TARGET_NR_recvmmsg (TARGET_NR_Linux + 298)
#define TARGET_NR_getdents64 (TARGET_NR_Linux + 299)
#define TARGET_NR_fanotify_init (TARGET_NR_Linux + 300)
#define TARGET_NR_fanotify_mark (TARGET_NR_Linux + 301)
#define TARGET_NR_prlimit64 (TARGET_NR_Linux + 302)
#define TARGET_NR_name_to_handle_at (TARGET_NR_Linux + 303)
#define TARGET_NR_open_by_handle_at (TARGET_NR_Linux + 304)
#define TARGET_NR_clock_adjtime (TARGET_NR_Linux + 305)
#define TARGET_NR_syncfs (TARGET_NR_Linux + 306)

30
linux-user/ppc/syscall_nr.h
View File

@ -332,3 +332,33 @@
#define TARGET_NR_dup3 316
#define TARGET_NR_pipe2 317
#define TARGET_NR_inotify_init1 318
#define TARGET_NR_perf_event_open 319
#define TARGET_NR_preadv 320
#define TARGET_NR_pwritev 321
#define TARGET_NR_rt_tgsigqueueinfo 322
#define TARGET_NR_fanotify_init 323
#define TARGET_NR_fanotify_mark 324
#define TARGET_NR_prlimit64 325
#define TARGET_NR_socket 326
#define TARGET_NR_bind 327
#define TARGET_NR_connect 328
#define TARGET_NR_listen 329
#define TARGET_NR_accept 330
#define TARGET_NR_getsockname 331
#define TARGET_NR_getpeername 332
#define TARGET_NR_socketpair 333
#define TARGET_NR_send 334
#define TARGET_NR_sendto 335
#define TARGET_NR_recv 336
#define TARGET_NR_recvfrom 337
#define TARGET_NR_shutdown 338
#define TARGET_NR_setsockopt 339
#define TARGET_NR_getsockopt 340
#define TARGET_NR_sendmsg 341
#define TARGET_NR_recvmsg 342
#define TARGET_NR_recvmmsg 343
#define TARGET_NR_accept4 344
#define TARGET_NR_name_to_handle_at 345
#define TARGET_NR_open_by_handle_at 346
#define TARGET_NR_clock_adjtime 347
#define TARGET_NR_syncfs 348

13
linux-user/s390x/syscall_nr.h
View File

@ -254,8 +254,17 @@
#define TARGET_NR_pipe2 325
#define TARGET_NR_dup3 326
#define TARGET_NR_epoll_create1 327
#undef NR_syscalls
#define NR_syscalls 328
#define TARGET_NR_preadv 328
#define TARGET_NR_pwritev 329
#define TARGET_NR_rt_tgsigqueueinfo 330
#define TARGET_NR_perf_event_open 331
#define TARGET_NR_fanotify_init 332
#define TARGET_NR_fanotify_mark 333
#define TARGET_NR_prlimit64 334
#define TARGET_NR_name_to_handle_at 335
#define TARGET_NR_open_by_handle_at 336
#define TARGET_NR_clock_adjtime 337
#define TARGET_NR_syncfs 338
/*
* There are some system calls that are not present on 64 bit, some

34
linux-user/sh4/syscall_nr.h
View File

@ -125,7 +125,7 @@
#define TARGET_NR_clone 120
#define TARGET_NR_setdomainname 121
#define TARGET_NR_uname 122
#define TARGET_NR_modify_ldt 123
#define TARGET_NR_cacheflush 123
#define TARGET_NR_adjtimex 124
#define TARGET_NR_mprotect 125
#define TARGET_NR_sigprocmask 126
@ -334,3 +334,35 @@
#define TARGET_NR_dup3 330
#define TARGET_NR_pipe2 331
#define TARGET_NR_inotify_init1 332
#define TARGET_NR_preadv 333
#define TARGET_NR_pwritev 334
#define TARGET_NR_rt_tgsigqueueinfo 335
#define TARGET_NR_perf_event_open 336
#define TARGET_NR_fanotify_init 337
#define TARGET_NR_fanotify_mark 338
#define TARGET_NR_prlimit64 339
/* Non-multiplexed socket family */
#define TARGET_NR_socket 340
#define TARGET_NR_bind 341
#define TARGET_NR_connect 342
#define TARGET_NR_listen 343
#define TARGET_NR_accept 344
#define TARGET_NR_getsockname 345
#define TARGET_NR_getpeername 346
#define TARGET_NR_socketpair 347
#define TARGET_NR_send 348
#define TARGET_NR_sendto 349
#define TARGET_NR_recv 350
#define TARGET_NR_recvfrom 351
#define TARGET_NR_shutdown 352
#define TARGET_NR_setsockopt 353
#define TARGET_NR_getsockopt 354
#define TARGET_NR_sendmsg 355
#define TARGET_NR_recvmsg 356
#define TARGET_NR_recvmmsg 357
#define TARGET_NR_accept4 358
#define TARGET_NR_name_to_handle_at 359
#define TARGET_NR_open_by_handle_at 360
#define TARGET_NR_clock_adjtime 361
#define TARGET_NR_syncfs 362

30
linux-user/signal.c
View File

@ -3662,11 +3662,11 @@ typedef struct {
} sigframe;
struct target_ucontext {
target_ulong uc_flags;
struct target_ucontext *uc_link;
target_stack_t uc_stack;
target_sigregs uc_mcontext;
target_sigset_t uc_sigmask; /* mask last for extensibility */
target_ulong tuc_flags;
struct target_ucontext *tuc_link;
target_stack_t tuc_stack;
target_sigregs tuc_mcontext;
target_sigset_t tuc_sigmask; /* mask last for extensibility */
};
typedef struct {
@ -3814,16 +3814,16 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka,
}
/* Create the ucontext. */
__put_user(0, &frame->uc.uc_flags);
__put_user((abi_ulong)0, (abi_ulong *)&frame->uc.uc_link);
__put_user(target_sigaltstack_used.ss_sp, &frame->uc.uc_stack.ss_sp);
__put_user(0, &frame->uc.tuc_flags);
__put_user((abi_ulong)0, (abi_ulong *)&frame->uc.tuc_link);
__put_user(target_sigaltstack_used.ss_sp, &frame->uc.tuc_stack.ss_sp);
__put_user(sas_ss_flags(get_sp_from_cpustate(env)),
&frame->uc.uc_stack.ss_flags);
__put_user(target_sigaltstack_used.ss_size, &frame->uc.uc_stack.ss_size);
save_sigregs(env, &frame->uc.uc_mcontext);
&frame->uc.tuc_stack.ss_flags);
__put_user(target_sigaltstack_used.ss_size, &frame->uc.tuc_stack.ss_size);
save_sigregs(env, &frame->uc.tuc_mcontext);
for (i = 0; i < TARGET_NSIG_WORDS; i++) {
__put_user((abi_ulong)set->sig[i],
(abi_ulong *)&frame->uc.uc_sigmask.sig[i]);
(abi_ulong *)&frame->uc.tuc_sigmask.sig[i]);
}
/* Set up to return from userspace. If provided, use a stub
@ -3928,15 +3928,15 @@ long do_rt_sigreturn(CPUState *env)
if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) {
goto badframe;
}
target_to_host_sigset(&set, &frame->uc.uc_sigmask);
target_to_host_sigset(&set, &frame->uc.tuc_sigmask);
sigprocmask(SIG_SETMASK, &set, NULL); /* ~_BLOCKABLE? */
if (restore_sigregs(env, &frame->uc.uc_mcontext)) {
if (restore_sigregs(env, &frame->uc.tuc_mcontext)) {
goto badframe;
}
if (do_sigaltstack(frame_addr + offsetof(rt_sigframe, uc.uc_stack), 0,
if (do_sigaltstack(frame_addr + offsetof(rt_sigframe, uc.tuc_stack), 0,
get_sp_from_cpustate(env)) == -EFAULT) {
goto badframe;
}

12
linux-user/sparc/syscall_nr.h
View File

@ -285,3 +285,15 @@
#define TARGET_NR_pipe2 321
#define TARGET_NR_inotify_init1 322
#define TARGET_NR_accept4 323
#define TARGET_NR_preadv 324
#define TARGET_NR_pwritev 325
#define TARGET_NR_rt_tgsigqueueinfo 326
#define TARGET_NR_perf_event_open 327
#define TARGET_NR_recvmmsg 328
#define TARGET_NR_fanotify_init 329
#define TARGET_NR_fanotify_mark 330
#define TARGET_NR_prlimit64 331
#define TARGET_NR_name_to_handle_at 332
#define TARGET_NR_open_by_handle_at 333
#define TARGET_NR_clock_adjtime 334
#define TARGET_NR_syncfs 335

12
linux-user/sparc64/syscall_nr.h
View File

@ -322,3 +322,15 @@
#define TARGET_NR_pipe2 321
#define TARGET_NR_inotify_init1 322
#define TARGET_NR_accept4 323
#define TARGET_NR_preadv 324
#define TARGET_NR_pwritev 325
#define TARGET_NR_rt_tgsigqueueinfo 326
#define TARGET_NR_perf_event_open 327
#define TARGET_NR_recvmmsg 328
#define TARGET_NR_fanotify_init 329
#define TARGET_NR_fanotify_mark 330
#define TARGET_NR_prlimit64 331
#define TARGET_NR_name_to_handle_at 332
#define TARGET_NR_open_by_handle_at 333
#define TARGET_NR_clock_adjtime 334
#define TARGET_NR_syncfs 335

153
linux-user/syscall.c
View File

@ -559,12 +559,38 @@ _syscall6(int, sys_pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds,
fd_set *, exceptfds, struct timespec *, timeout, void *, sig);
#endif
#if defined(TARGET_NR_prlimit64)
#ifndef __NR_prlimit64
# define __NR_prlimit64 -1
#endif
#define __NR_sys_prlimit64 __NR_prlimit64
/* The glibc rlimit structure may not be that used by the underlying syscall */
struct host_rlimit64 {
uint64_t rlim_cur;
uint64_t rlim_max;
};
_syscall4(int, sys_prlimit64, pid_t, pid, int, resource,
const struct host_rlimit64 *, new_limit,
struct host_rlimit64 *, old_limit)
#endif
extern int personality(int);
extern int flock(int, int);
extern int setfsuid(int);
extern int setfsgid(int);
extern int setgroups(int, gid_t *);
/* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
#ifdef TARGET_ARM
static inline int regpairs_aligned(void *cpu_env) {
return ((((CPUARMState *)cpu_env)->eabi) == 1) ;
}
#elif defined(TARGET_MIPS)
static inline int regpairs_aligned(void *cpu_env) { return 1; }
#else
static inline int regpairs_aligned(void *cpu_env) { return 0; }
#endif
#define ERRNO_TABLE_SIZE 1200
/* target_to_host_errno_table[] is initialized from
@ -919,18 +945,68 @@ static inline abi_long host_to_target_rusage(abi_ulong target_addr,
static inline rlim_t target_to_host_rlim(target_ulong target_rlim)
{
if (target_rlim == TARGET_RLIM_INFINITY)
return RLIM_INFINITY;
target_ulong target_rlim_swap;
rlim_t result;
target_rlim_swap = tswapl(target_rlim);
if (target_rlim_swap == TARGET_RLIM_INFINITY || target_rlim_swap != (rlim_t)target_rlim_swap)
result = RLIM_INFINITY;
else
return tswapl(target_rlim);
result = target_rlim_swap;
return result;
}
static inline target_ulong host_to_target_rlim(rlim_t rlim)
{
target_ulong target_rlim_swap;
target_ulong result;
if (rlim == RLIM_INFINITY || rlim != (target_long)rlim)
return TARGET_RLIM_INFINITY;
target_rlim_swap = TARGET_RLIM_INFINITY;
else
return tswapl(rlim);
target_rlim_swap = rlim;
result = tswapl(target_rlim_swap);
return result;
}
static inline int target_to_host_resource(int code)
{
switch (code) {
case TARGET_RLIMIT_AS:
return RLIMIT_AS;
case TARGET_RLIMIT_CORE:
return RLIMIT_CORE;
case TARGET_RLIMIT_CPU:
return RLIMIT_CPU;
case TARGET_RLIMIT_DATA:
return RLIMIT_DATA;
case TARGET_RLIMIT_FSIZE:
return RLIMIT_FSIZE;
case TARGET_RLIMIT_LOCKS:
return RLIMIT_LOCKS;
case TARGET_RLIMIT_MEMLOCK:
return RLIMIT_MEMLOCK;
case TARGET_RLIMIT_MSGQUEUE:
return RLIMIT_MSGQUEUE;
case TARGET_RLIMIT_NICE:
return RLIMIT_NICE;
case TARGET_RLIMIT_NOFILE:
return RLIMIT_NOFILE;
case TARGET_RLIMIT_NPROC:
return RLIMIT_NPROC;
case TARGET_RLIMIT_RSS:
return RLIMIT_RSS;
case TARGET_RLIMIT_RTPRIO:
return RLIMIT_RTPRIO;
case TARGET_RLIMIT_SIGPENDING:
return RLIMIT_SIGPENDING;
case TARGET_RLIMIT_STACK:
return RLIMIT_STACK;
default:
return code;
}
}
static inline abi_long copy_from_user_timeval(struct timeval *tv,
@ -4310,13 +4386,10 @@ static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
abi_long arg3,
abi_long arg4)
{
#ifdef TARGET_ARM
if (((CPUARMState *)cpu_env)->eabi)
{
if (regpairs_aligned(cpu_env)) {
arg2 = arg3;
arg3 = arg4;
}
#endif
}
return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
}
#endif
@ -4327,13 +4400,10 @@ static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
abi_long arg3,
abi_long arg4)
{
#ifdef TARGET_ARM
if (((CPUARMState *)cpu_env)->eabi)
{
if (regpairs_aligned(cpu_env)) {
arg2 = arg3;
arg3 = arg4;
}
#endif
}
return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
}
#endif
@ -5543,7 +5613,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
break;
case TARGET_NR_setrlimit:
{
int resource = arg1;
int resource = target_to_host_resource(arg1);
struct target_rlimit *target_rlim;
struct rlimit rlim;
if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
@ -5556,7 +5626,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
break;
case TARGET_NR_getrlimit:
{
int resource = arg1;
int resource = target_to_host_resource(arg1);
struct target_rlimit *target_rlim;
struct rlimit rlim;
@ -5684,6 +5754,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
if (arg_sigset) {
sig.set = &set;
if (arg_sigsize != sizeof(*target_sigset)) {
/* Like the kernel, we enforce correct size sigsets */
ret = -TARGET_EINVAL;
goto fail;
}
target_sigset = lock_user(VERIFY_READ, arg_sigset,
sizeof(*target_sigset), 1);
if (!target_sigset) {
@ -6787,20 +6862,16 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
#endif
#ifdef TARGET_NR_pread
case TARGET_NR_pread:
#ifdef TARGET_ARM
if (((CPUARMState *)cpu_env)->eabi)
if (regpairs_aligned(cpu_env))
arg4 = arg5;
#endif
if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
goto efault;
ret = get_errno(pread(arg1, p, arg3, arg4));
unlock_user(p, arg2, ret);
break;
case TARGET_NR_pwrite:
#ifdef TARGET_ARM
if (((CPUARMState *)cpu_env)->eabi)
if (regpairs_aligned(cpu_env))
arg4 = arg5;
#endif
if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
goto efault;
ret = get_errno(pwrite(arg1, p, arg3, arg4));
@ -6860,7 +6931,8 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
case TARGET_NR_ugetrlimit:
{
struct rlimit rlim;
ret = get_errno(getrlimit(arg1, &rlim));
int resource = target_to_host_resource(arg1);
ret = get_errno(getrlimit(resource, &rlim));
if (!is_error(ret)) {
struct target_rlimit *target_rlim;
if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
@ -7550,14 +7622,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
#ifdef TARGET_NR_readahead
case TARGET_NR_readahead:
#if TARGET_ABI_BITS == 32
#ifdef TARGET_ARM
if (((CPUARMState *)cpu_env)->eabi)
{
if (regpairs_aligned(cpu_env)) {
arg2 = arg3;
arg3 = arg4;
arg4 = arg5;
}
#endif
ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
#else
ret = get_errno(readahead(arg1, arg2, arg3));
@ -7989,6 +8058,34 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
break;
}
#endif
#endif
#ifdef TARGET_NR_prlimit64
case TARGET_NR_prlimit64:
{
/* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */
struct target_rlimit64 *target_rnew, *target_rold;
struct host_rlimit64 rnew, rold, *rnewp = 0;
if (arg3) {
if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
goto efault;
}
rnew.rlim_cur = tswap64(target_rnew->rlim_cur);
rnew.rlim_max = tswap64(target_rnew->rlim_max);
unlock_user_struct(target_rnew, arg3, 0);
rnewp = &rnew;
}
ret = get_errno(sys_prlimit64(arg1, arg2, rnewp, arg4 ? &rold : 0));
if (!is_error(ret) && arg4) {
if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
goto efault;
}
target_rold->rlim_cur = tswap64(rold.rlim_cur);
target_rold->rlim_max = tswap64(rold.rlim_max);
unlock_user_struct(target_rold, arg4, 1);
}
break;
}
#endif
default:
unimplemented:

51
linux-user/syscall_defs.h
View File

@ -693,6 +693,40 @@ struct target_rlimit {
#define TARGET_RLIM_INFINITY ((target_ulong)~0UL)
#endif
#if defined(TARGET_MIPS)
#define TARGET_RLIMIT_CPU 0
#define TARGET_RLIMIT_FSIZE 1
#define TARGET_RLIMIT_DATA 2
#define TARGET_RLIMIT_STACK 3
#define TARGET_RLIMIT_CORE 4
#define TARGET_RLIMIT_RSS 7
#define TARGET_RLIMIT_NPROC 8
#define TARGET_RLIMIT_NOFILE 5
#define TARGET_RLIMIT_MEMLOCK 9
#define TARGET_RLIMIT_AS 6
#define TARGET_RLIMIT_LOCKS 10
#define TARGET_RLIMIT_SIGPENDING 11
#define TARGET_RLIMIT_MSGQUEUE 12
#define TARGET_RLIMIT_NICE 13
#define TARGET_RLIMIT_RTPRIO 14
#else
#define TARGET_RLIMIT_CPU 0
#define TARGET_RLIMIT_FSIZE 1
#define TARGET_RLIMIT_DATA 2
#define TARGET_RLIMIT_STACK 3
#define TARGET_RLIMIT_CORE 4
#define TARGET_RLIMIT_RSS 5
#define TARGET_RLIMIT_NPROC 6
#define TARGET_RLIMIT_NOFILE 7
#define TARGET_RLIMIT_MEMLOCK 8
#define TARGET_RLIMIT_AS 9
#define TARGET_RLIMIT_LOCKS 10
#define TARGET_RLIMIT_SIGPENDING 11
#define TARGET_RLIMIT_MSGQUEUE 12
#define TARGET_RLIMIT_NICE 13
#define TARGET_RLIMIT_RTPRIO 14
#endif
struct target_pollfd {
int fd; /* file descriptor */
short events; /* requested events */
@ -708,6 +742,10 @@ struct target_pollfd {
#define TARGET_KDSKBMODE 0x4b45
#define TARGET_KDGKBENT 0x4B46 /* gets one entry in translation table */
#define TARGET_KDGKBSENT 0x4B48 /* gets one function key string entry */
#define TARGET_KDGKBLED 0x4B64 /* get led flags (not lights) */
#define TARGET_KDSKBLED 0x4B65 /* set led flags (not lights) */
#define TARGET_KDGETLED 0x4B31 /* return current led state */
#define TARGET_KDSETLED 0x4B32 /* set led state [lights, not flags] */
#define TARGET_SIOCATMARK 0x8905
@ -928,6 +966,11 @@ struct target_pollfd {
#define TARGET_FBIOGET_VSCREENINFO 0x4600
#define TARGET_FBIOPUT_VSCREENINFO 0x4601
#define TARGET_FBIOGET_FSCREENINFO 0x4602
#define TARGET_FBIOGETCMAP 0x4604
#define TARGET_FBIOPUTCMAP 0x4605
#define TARGET_FBIOPAN_DISPLAY 0x4606
#define TARGET_FBIOGET_CON2FBMAP 0x460F
#define TARGET_FBIOPUT_CON2FBMAP 0x4610
/* vt ioctls */
#define TARGET_VT_OPENQRY 0x5600
@ -936,6 +979,10 @@ struct target_pollfd {
#define TARGET_VT_WAITACTIVE 0x5607
#define TARGET_VT_LOCKSWITCH 0x560b
#define TARGET_VT_UNLOCKSWITCH 0x560c
#define TARGET_VT_GETMODE 0x5601
#define TARGET_VT_SETMODE 0x5602
#define TARGET_VT_RELDISP 0x5605
#define TARGET_VT_DISALLOCATE 0x5608
/* from asm/termbits.h */
@ -2280,3 +2327,7 @@ struct target_epoll_event {
target_epoll_data_t data;
};
#endif
struct target_rlimit64 {
uint64_t rlim_cur;
uint64_t rlim_max;
};

20
linux-user/syscall_types.h
View File

@ -161,11 +161,31 @@ STRUCT(fb_var_screeninfo,
TYPE_INT, /* rotate */
MK_ARRAY(TYPE_INT, 5)) /* reserved */
STRUCT(fb_cmap,
TYPE_INT, /* start */
TYPE_INT, /* len */
TYPE_PTRVOID, /* red */
TYPE_PTRVOID, /* green */
TYPE_PTRVOID, /* blue */
TYPE_PTRVOID) /* transp */
STRUCT(fb_con2fbmap,
TYPE_INT, /* console */
TYPE_INT) /* framebuffer */
STRUCT(vt_stat,
TYPE_SHORT, /* v_active */
TYPE_SHORT, /* v_signal */
TYPE_SHORT) /* v_state */
STRUCT(vt_mode,
TYPE_CHAR, /* mode */
TYPE_CHAR, /* waitv */
TYPE_SHORT, /* relsig */
TYPE_SHORT, /* acqsig */
TYPE_SHORT) /* frsig */
STRUCT(fiemap_extent,
TYPE_ULONGLONG, /* fe_logical */
TYPE_ULONGLONG, /* fe_physical */

12
linux-user/x86_64/syscall_nr.h
View File

@ -293,3 +293,15 @@
#define TARGET_NR_dup3 292
#define TARGET_NR_pipe2 293
#define TARGET_NR_inotify_init1 294
#define TARGET_NR_preadv 295
#define TARGET_NR_pwritev 296
#define TARGET_NR_rt_tgsigqueueinfo 297
#define TARGET_NR_perf_event_open 298
#define TARGET_NR_recvmmsg 299
#define TARGET_NR_fanotify_init 300
#define TARGET_NR_fanotify_mark 301
#define TARGET_NR_prlimit64 302
#define TARGET_NR_name_to_handle_at 303
#define TARGET_NR_open_by_handle_at 304
#define TARGET_NR_clock_adjtime 305
#define TARGET_NR_syncfs 306