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ftmemsim-valgrind/coregrind/m_syswrap/syswrap-s390x-linux.c
Earl Chew d387566dd7 Support Linux syscall 434 pidfd_open
2023-04-14 23:06:48 +02:00

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/*--------------------------------------------------------------------*/
/*--- Platform-specific syscalls stuff. syswrap-s390x-linux.c ---*/
/*--------------------------------------------------------------------*/
/*
This file is part of Valgrind, a dynamic binary instrumentation
framework.
Copyright IBM Corp. 2010-2017
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/>.
The GNU General Public License is contained in the file COPYING.
*/
/* Contributed by Christian Borntraeger */
#if defined(VGP_s390x_linux)
#include "pub_core_basics.h"
#include "pub_core_vki.h"
#include "pub_core_vkiscnums.h"
#include "pub_core_threadstate.h"
#include "pub_core_aspacemgr.h"
#include "pub_core_debuglog.h"
#include "pub_core_libcbase.h"
#include "pub_core_libcassert.h"
#include "pub_core_libcprint.h"
#include "pub_core_libcproc.h"
#include "pub_core_libcsignal.h"
#include "pub_core_mallocfree.h"
#include "pub_core_options.h"
#include "pub_core_scheduler.h"
#include "pub_core_sigframe.h" // For VG_(sigframe_destroy)()
#include "pub_core_signals.h"
#include "pub_core_syscall.h"
#include "pub_core_syswrap.h"
#include "pub_core_tooliface.h"
#include "priv_types_n_macros.h"
#include "priv_syswrap-generic.h" /* for decls of generic wrappers */
#include "priv_syswrap-linux.h" /* for decls of linux-ish wrappers */
#include "priv_syswrap-linux-variants.h" /* decls of linux variant wrappers */
#include "priv_syswrap-main.h"
/* ---------------------------------------------------------------------
clone() handling
------------------------------------------------------------------ */
/* Call f(arg1), but first switch stacks, using 'stack' as the new
stack, and use 'retaddr' as f's return-to address. Also, clear all
the integer registers before entering f.
Thought: Why are we clearing the GPRs ? The callee pointed to by f
is a regular C function which will play by the ABI rules. So there is
no need to zero out the GPRs. If we assumed that f accesses registers at
will, then it would make sense to create a defined register state.
But then, why only for the GPRs and not the FPRs ? */
__attribute__((noreturn))
void ML_(call_on_new_stack_0_1) ( Addr stack,
Addr retaddr,
void (*f)(Word),
Word arg1 );
/* Upon entering this function we have the following setup:
r2 = stack
r3 = retaddr
r4 = f_desc
r5 = arg1
*/
asm(
".text\n"
".align 4\n"
".globl vgModuleLocal_call_on_new_stack_0_1\n"
".type vgModuleLocal_call_on_new_stack_0_1, @function\n"
"vgModuleLocal_call_on_new_stack_0_1:\n"
" lgr %r15,%r2\n" // stack to r15
" lgr %r14,%r3\n" // retaddr to r14
" lgr %r2,%r5\n" // arg1 to r2
// zero all gprs to get a defined state
" lghi %r0,0\n"
" lghi %r1,0\n"
// r2 holds the argument for the callee
" lghi %r3,0\n"
// r4 holds the callee address
" lghi %r5,0\n"
" lghi %r6,0\n"
" lghi %r7,0\n"
" lghi %r8,0\n"
" lghi %r9,0\n"
" lghi %r10,0\n"
" lghi %r11,0\n"
" lghi %r12,0\n"
" lghi %r13,0\n"
// r14 holds the return address for the callee
// r15 is the stack pointer
" br %r4\n" // jump to f
".previous\n"
);
/*
Perform a clone system call. clone is strange because it has
fork()-like return-twice semantics, so it needs special
handling here.
Upon entry, we have:
void* child_stack in r2
long flags in r3
int* parent_tid in r4
int* child_tid in r5
int* tls address in r6
Word (*fn)(void *) 160(r15)
void *arg 168(r15)
System call requires:
void* child_stack in r2 (sc arg1)
long flags in r3 (sc arg2)
int* parent_tid in r4 (sc arg3)
int* child_tid in r5 (sc arg4)
void* tlsaddr in r6 (sc arg5)
Returns a ULong encoded as: top half is %cr following syscall,
low half is syscall return value (r3).
*/
#define __NR_CLONE VG_STRINGIFY(__NR_clone)
#define __NR_EXIT VG_STRINGIFY(__NR_exit)
// See priv_syswrap-linux.h for arg profile.
asm(
" .text\n"
" .align 4\n"
".globl do_syscall_clone_s390x_linux\n"
"do_syscall_clone_s390x_linux:\n"
" lg %r1, 160(%r15)\n" // save fn from parent stack into r1
" lg %r0, 168(%r15)\n" // save arg from parent stack into r0
" aghi %r2, -160\n" // create stack frame for child
// all syscall parameters are already in place (r2-r6)
" svc " __NR_CLONE"\n" // clone()
" ltgr %r2,%r2\n" // child if retval == 0
" jne 1f\n"
// CHILD - call thread function
" lgr %r2, %r0\n" // get arg from r0
" basr %r14,%r1\n" // call fn
// exit. The result is already in r2
" svc " __NR_EXIT"\n"
// Exit returned?!
" j +2\n"
"1:\n" // PARENT or ERROR
" br %r14\n"
".previous\n"
);
#undef __NR_CLONE
#undef __NR_EXIT
void VG_(cleanup_thread) ( ThreadArchState* arch )
{
/* only used on x86 for descriptor tables */
}
/* ---------------------------------------------------------------------
PRE/POST wrappers for s390x/Linux-specific syscalls
------------------------------------------------------------------ */
#define PRE(name) DEFN_PRE_TEMPLATE(s390x_linux, name)
#define POST(name) DEFN_POST_TEMPLATE(s390x_linux, name)
/* Add prototypes for the wrappers declared here, so that gcc doesn't
harass us for not having prototypes. Really this is a kludge --
the right thing to do is to make these wrappers 'static' since they
aren't visible outside this file, but that requires even more macro
magic. */
DECL_TEMPLATE(s390x_linux, sys_ptrace);
DECL_TEMPLATE(s390x_linux, sys_mmap);
DECL_TEMPLATE(s390x_linux, sys_sigreturn);
DECL_TEMPLATE(s390x_linux, sys_rt_sigreturn);
DECL_TEMPLATE(s390x_linux, sys_fadvise64);
/* PEEK TEXT,DATA and USER are common to all architectures.
PEEKUSR_AREA and POKEUSR_AREA are special, having a memory area
containing the real addr, data, and len field pointed to by ARG3
instead of ARG4.
GETREGSET and SETREGSET use a struct iovec (pointed to by ARG4) for
the address and size of the user buffer. */
PRE(sys_ptrace)
{
PRINT("sys_ptrace ( %ld, %ld, %#lx, %#lx )", SARG1, SARG2, ARG3, ARG4);
PRE_REG_READ4(int, "ptrace",
long, request, long, pid, unsigned long, addr,
unsigned long, data);
switch (ARG1) {
case VKI_PTRACE_PEEKTEXT:
case VKI_PTRACE_PEEKDATA:
case VKI_PTRACE_PEEKUSR:
PRE_MEM_WRITE( "ptrace(peek)", ARG4,
sizeof (long));
break;
case VKI_PTRACE_GETEVENTMSG:
PRE_MEM_WRITE( "ptrace(geteventmsg)", ARG4, sizeof(unsigned long));
break;
case VKI_PTRACE_GETSIGINFO:
PRE_MEM_WRITE( "ptrace(getsiginfo)", ARG4, sizeof(vki_siginfo_t));
break;
case VKI_PTRACE_SETSIGINFO:
PRE_MEM_READ( "ptrace(setsiginfo)", ARG4, sizeof(vki_siginfo_t));
break;
case VKI_PTRACE_PEEKUSR_AREA:
{
vki_ptrace_area *pa;
/* Reads a part of the user area into memory at pa->process_addr */
pa = (vki_ptrace_area *) ARG3;
PRE_MEM_READ("ptrace(peekusrarea ptrace_area->len)",
(unsigned long) &pa->vki_len, sizeof(pa->vki_len));
PRE_MEM_READ("ptrace(peekusrarea ptrace_area->kernel_addr)",
(unsigned long) &pa->vki_kernel_addr, sizeof(pa->vki_kernel_addr));
PRE_MEM_READ("ptrace(peekusrarea ptrace_area->process_addr)",
(unsigned long) &pa->vki_process_addr, sizeof(pa->vki_process_addr));
PRE_MEM_WRITE("ptrace(peekusrarea *(ptrace_area->process_addr))",
pa->vki_process_addr, pa->vki_len);
break;
}
case VKI_PTRACE_POKEUSR_AREA:
{
vki_ptrace_area *pa;
/* Updates a part of the user area from memory at pa->process_addr */
pa = (vki_ptrace_area *) ARG3;
PRE_MEM_READ("ptrace(pokeusrarea ptrace_area->len)",
(unsigned long) &pa->vki_len, sizeof(pa->vki_len));
PRE_MEM_READ("ptrace(pokeusrarea ptrace_area->kernel_addr)",
(unsigned long) &pa->vki_kernel_addr,
sizeof(pa->vki_kernel_addr));
PRE_MEM_READ("ptrace(pokeusrarea ptrace_area->process_addr)",
(unsigned long) &pa->vki_process_addr,
sizeof(pa->vki_process_addr));
PRE_MEM_READ("ptrace(pokeusrarea *(ptrace_area->process_addr))",
pa->vki_process_addr, pa->vki_len);
break;
}
case VKI_PTRACE_GETREGSET:
ML_(linux_PRE_getregset)(tid, ARG3, ARG4);
break;
case VKI_PTRACE_SETREGSET:
ML_(linux_PRE_setregset)(tid, ARG3, ARG4);
break;
default:
break;
}
}
POST(sys_ptrace)
{
switch (ARG1) {
case VKI_PTRACE_TRACEME:
ML_(linux_POST_traceme)(tid);
break;
case VKI_PTRACE_PEEKTEXT:
case VKI_PTRACE_PEEKDATA:
case VKI_PTRACE_PEEKUSR:
POST_MEM_WRITE( ARG4, sizeof (long));
break;
case VKI_PTRACE_GETEVENTMSG:
POST_MEM_WRITE( ARG4, sizeof(unsigned long));
break;
case VKI_PTRACE_GETSIGINFO:
/* XXX: This is a simplification. Different parts of the
* siginfo_t are valid depending on the type of signal.
*/
POST_MEM_WRITE( ARG4, sizeof(vki_siginfo_t));
break;
case VKI_PTRACE_PEEKUSR_AREA:
{
vki_ptrace_area *pa;
pa = (vki_ptrace_area *) ARG3;
POST_MEM_WRITE(pa->vki_process_addr, pa->vki_len);
break;
}
case VKI_PTRACE_GETREGSET:
ML_(linux_POST_getregset)(tid, ARG3, ARG4);
break;
default:
break;
}
}
PRE(sys_mmap)
{
UWord a0, a1, a2, a3, a4, a5;
SysRes r;
UWord* args = (UWord*)ARG1;
PRE_REG_READ1(long, "sys_mmap", struct mmap_arg_struct *, args);
PRE_MEM_READ( "sys_mmap(args)", (Addr) args, 6*sizeof(UWord) );
a0 = args[0];
a1 = args[1];
a2 = args[2];
a3 = args[3];
a4 = args[4];
a5 = args[5];
PRINT("sys_mmap ( %#lx, %lu, %ld, %ld, %ld, %ld )",
a0, a1, (Word)a2, (Word)a3, (Word)a4, (Word)a5 );
r = ML_(generic_PRE_sys_mmap)( tid, a0, a1, a2, a3, a4, (Off64T)a5 );
SET_STATUS_from_SysRes(r);
}
PRE(sys_sigreturn)
{
ThreadState* tst;
PRINT("sys_sigreturn ( )");
vg_assert(VG_(is_valid_tid)(tid));
vg_assert(tid >= 1 && tid < VG_N_THREADS);
vg_assert(VG_(is_running_thread)(tid));
tst = VG_(get_ThreadState)(tid);
/* This is only so that the IA is (might be) useful to report if
something goes wrong in the sigreturn */
ML_(fixup_guest_state_to_restart_syscall)(&tst->arch);
/* Restore register state from frame and remove it */
VG_(sigframe_destroy)(tid, False);
/* Tell the driver not to update the guest state with the "result",
and set a bogus result to keep it happy. */
*flags |= SfNoWriteResult;
SET_STATUS_Success(0);
/* Check to see if any signals arose as a result of this. */
*flags |= SfPollAfter;
}
PRE(sys_rt_sigreturn)
{
/* See comments on PRE(sys_rt_sigreturn) in syswrap-amd64-linux.c for
an explanation of what follows. */
ThreadState* tst;
PRINT("sys_rt_sigreturn ( )");
vg_assert(VG_(is_valid_tid)(tid));
vg_assert(tid >= 1 && tid < VG_N_THREADS);
vg_assert(VG_(is_running_thread)(tid));
tst = VG_(get_ThreadState)(tid);
/* This is only so that the IA is (might be) useful to report if
something goes wrong in the sigreturn */
ML_(fixup_guest_state_to_restart_syscall)(&tst->arch);
/* Restore register state from frame and remove it */
VG_(sigframe_destroy)(tid, True);
/* Tell the driver not to update the guest state with the "result",
and set a bogus result to keep it happy. */
*flags |= SfNoWriteResult;
SET_STATUS_Success(0);
/* Check to see if any signals arose as a result of this. */
*flags |= SfPollAfter;
}
/* we cant use the LINX_ version for 64 bit */
PRE(sys_fadvise64)
{
PRINT("sys_fadvise64 ( %ld, %ld, %ld, %ld )", SARG1, SARG2, SARG3, SARG4);
PRE_REG_READ4(long, "fadvise64",
int, fd, vki_loff_t, offset, vki_loff_t, len, int, advice);
}
#undef PRE
#undef POST
/* ---------------------------------------------------------------------
The s390x/Linux syscall table
------------------------------------------------------------------ */
/* Add an s390x-linux specific wrapper to a syscall table. */
#define PLAX_(sysno, name) WRAPPER_ENTRY_X_(s390x_linux, sysno, name)
#define PLAXY(sysno, name) WRAPPER_ENTRY_XY(s390x_linux, sysno, name)
// This table maps from __NR_xxx syscall numbers from
// linux/arch/s390/kernel/syscalls.S to the appropriate PRE/POST sys_foo()
// wrappers on s390x. There are several unused numbers, which are only
// defined on s390 (31bit mode) but no longer available on s390x (64 bit).
// For those syscalls not handled by Valgrind, the annotation indicate its
// arch/OS combination, eg. */* (generic), */Linux (Linux only), ?/?
// (unknown).
static SyscallTableEntry syscall_table[] = {
GENX_(0, sys_ni_syscall), /* unimplemented (by the kernel) */ // 0
GENX_(__NR_exit, sys_exit), // 1
GENX_(__NR_fork, sys_fork), // 2
GENXY(__NR_read, sys_read), // 3
GENX_(__NR_write, sys_write), // 4
GENXY(__NR_open, sys_open), // 5
GENXY(__NR_close, sys_close), // 6
// ?????(__NR_restart_syscall, ), // 7
GENXY(__NR_creat, sys_creat), // 8
GENX_(__NR_link, sys_link), // 9
GENX_(__NR_unlink, sys_unlink), // 10
GENX_(__NR_execve, sys_execve), // 11
GENX_(__NR_chdir, sys_chdir), // 12
GENX_(13, sys_ni_syscall), /* unimplemented (by the kernel) */ // 13
GENX_(__NR_mknod, sys_mknod), // 14
GENX_(__NR_chmod, sys_chmod), // 15
GENX_(16, sys_ni_syscall), /* unimplemented (by the kernel) */ // 16
GENX_(17, sys_ni_syscall), /* unimplemented (by the kernel) */ // 17
GENX_(18, sys_ni_syscall), /* unimplemented (by the kernel) */ // 18
LINX_(__NR_lseek, sys_lseek), // 19
GENX_(__NR_getpid, sys_getpid), // 20
LINX_(__NR_mount, sys_mount), // 21
LINX_(__NR_umount, sys_oldumount), // 22
GENX_(23, sys_ni_syscall), /* unimplemented (by the kernel) */ // 23
GENX_(24, sys_ni_syscall), /* unimplemented (by the kernel) */ // 24
GENX_(25, sys_ni_syscall), /* unimplemented (by the kernel) */ // 25
PLAXY(__NR_ptrace, sys_ptrace), // 26
GENX_(__NR_alarm, sys_alarm), // 27
GENX_(28, sys_ni_syscall), /* unimplemented (by the kernel) */ // 28
GENX_(__NR_pause, sys_pause), // 29
LINX_(__NR_utime, sys_utime), // 30
GENX_(31, sys_ni_syscall), /* unimplemented (by the kernel) */ // 31
GENX_(32, sys_ni_syscall), /* unimplemented (by the kernel) */ // 32
GENX_(__NR_access, sys_access), // 33
GENX_(__NR_nice, sys_nice), // 34
GENX_(35, sys_ni_syscall), /* unimplemented (by the kernel) */ // 35
GENX_(__NR_sync, sys_sync), // 36
GENX_(__NR_kill, sys_kill), // 37
GENX_(__NR_rename, sys_rename), // 38
GENX_(__NR_mkdir, sys_mkdir), // 39
GENX_(__NR_rmdir, sys_rmdir), // 40
GENXY(__NR_dup, sys_dup), // 41
LINXY(__NR_pipe, sys_pipe), // 42
GENXY(__NR_times, sys_times), // 43
GENX_(44, sys_ni_syscall), /* unimplemented (by the kernel) */ // 44
GENX_(__NR_brk, sys_brk), // 45
GENX_(46, sys_ni_syscall), /* unimplemented (by the kernel) */ // 46
GENX_(47, sys_ni_syscall), /* unimplemented (by the kernel) */ // 47
// ?????(__NR_signal, ), // 48
GENX_(49, sys_ni_syscall), /* unimplemented (by the kernel) */ // 49
GENX_(50, sys_ni_syscall), /* unimplemented (by the kernel) */ // 50
GENX_(__NR_acct, sys_acct), // 51
LINX_(__NR_umount2, sys_umount), // 52
GENX_(53, sys_ni_syscall), /* unimplemented (by the kernel) */ // 53
LINXY(__NR_ioctl, sys_ioctl), // 54
LINXY(__NR_fcntl, sys_fcntl), // 55
GENX_(56, sys_ni_syscall), /* unimplemented (by the kernel) */ // 56
GENX_(__NR_setpgid, sys_setpgid), // 57
GENX_(58, sys_ni_syscall), /* unimplemented (by the kernel) */ // 58
GENX_(59, sys_ni_syscall), /* unimplemented (by the kernel) */ // 59
GENX_(__NR_umask, sys_umask), // 60
GENX_(__NR_chroot, sys_chroot), // 61
// ?????(__NR_ustat, sys_ustat), /* deprecated in favor of statfs */ // 62
GENXY(__NR_dup2, sys_dup2), // 63
GENX_(__NR_getppid, sys_getppid), // 64
GENX_(__NR_getpgrp, sys_getpgrp), // 65
GENX_(__NR_setsid, sys_setsid), // 66
// ?????(__NR_sigaction, ), /* userspace uses rt_sigaction */ // 67
GENX_(68, sys_ni_syscall), /* unimplemented (by the kernel) */ // 68
GENX_(69, sys_ni_syscall), /* unimplemented (by the kernel) */ // 69
GENX_(70, sys_ni_syscall), /* unimplemented (by the kernel) */ // 70
GENX_(71, sys_ni_syscall), /* unimplemented (by the kernel) */ // 71
// ?????(__NR_sigsuspend, ), // 72
// ?????(__NR_sigpending, ), // 73
// ?????(__NR_sethostname, ), // 74
GENX_(__NR_setrlimit, sys_setrlimit), // 75
GENXY(76, sys_getrlimit), /* see also 191 */ // 76
GENXY(__NR_getrusage, sys_getrusage), // 77
GENXY(__NR_gettimeofday, sys_gettimeofday), // 78
GENX_(__NR_settimeofday, sys_settimeofday), // 79
GENX_(80, sys_ni_syscall), /* unimplemented (by the kernel) */ // 80
GENX_(81, sys_ni_syscall), /* unimplemented (by the kernel) */ // 81
GENX_(82, sys_ni_syscall), /* unimplemented (by the kernel) */ // 82
GENX_(__NR_symlink, sys_symlink), // 83
GENX_(84, sys_ni_syscall), /* unimplemented (by the kernel) */ // 84
GENX_(__NR_readlink, sys_readlink), // 85
// ?????(__NR_uselib, ), // 86
// ?????(__NR_swapon, ), // 87
// ?????(__NR_reboot, ), // 88
GENX_(89, sys_ni_syscall), /* unimplemented (by the kernel) */ // 89
PLAX_(__NR_mmap, sys_mmap ), // 90
GENXY(__NR_munmap, sys_munmap), // 91
GENX_(__NR_truncate, sys_truncate), // 92
GENX_(__NR_ftruncate, sys_ftruncate), // 93
GENX_(__NR_fchmod, sys_fchmod), // 94
GENX_(95, sys_ni_syscall), /* unimplemented (by the kernel) */ // 95
GENX_(__NR_getpriority, sys_getpriority), // 96
GENX_(__NR_setpriority, sys_setpriority), // 97
GENX_(98, sys_ni_syscall), /* unimplemented (by the kernel) */ // 98
GENXY(__NR_statfs, sys_statfs), // 99
GENXY(__NR_fstatfs, sys_fstatfs), // 100
GENX_(101, sys_ni_syscall), /* unimplemented (by the kernel) */ // 101
LINXY(__NR_socketcall, sys_socketcall), // 102
LINXY(__NR_syslog, sys_syslog), // 103
GENXY(__NR_setitimer, sys_setitimer), // 104
GENXY(__NR_getitimer, sys_getitimer), // 105
GENXY(__NR_stat, sys_newstat), // 106
GENXY(__NR_lstat, sys_newlstat), // 107
GENXY(__NR_fstat, sys_newfstat), // 108
GENX_(109, sys_ni_syscall), /* unimplemented (by the kernel) */ // 109
LINXY(__NR_lookup_dcookie, sys_lookup_dcookie), // 110
LINX_(__NR_vhangup, sys_vhangup), // 111
GENX_(112, sys_ni_syscall), /* unimplemented (by the kernel) */ // 112
GENX_(113, sys_ni_syscall), /* unimplemented (by the kernel) */ // 113
GENXY(__NR_wait4, sys_wait4), // 114
// ?????(__NR_swapoff, ), // 115
LINXY(__NR_sysinfo, sys_sysinfo), // 116
LINXY(__NR_ipc, sys_ipc), // 117
GENX_(__NR_fsync, sys_fsync), // 118
PLAX_(__NR_sigreturn, sys_sigreturn), // 119
LINX_(__NR_clone, sys_clone), // 120
// ?????(__NR_setdomainname, ), // 121
GENXY(__NR_uname, sys_newuname), // 122
GENX_(123, sys_ni_syscall), /* unimplemented (by the kernel) */ // 123
// ?????(__NR_adjtimex, ), // 124
GENXY(__NR_mprotect, sys_mprotect), // 125
// LINXY(__NR_sigprocmask, sys_sigprocmask), // 126
GENX_(127, sys_ni_syscall), /* unimplemented (by the kernel) */ // 127
LINX_(__NR_init_module, sys_init_module), // 128
LINX_(__NR_delete_module, sys_delete_module), // 129
GENX_(130, sys_ni_syscall), /* unimplemented (by the kernel) */ // 130
LINX_(__NR_quotactl, sys_quotactl), // 131
GENX_(__NR_getpgid, sys_getpgid), // 132
GENX_(__NR_fchdir, sys_fchdir), // 133
// ?????(__NR_bdflush, ), // 134
// ?????(__NR_sysfs, ), // 135
LINX_(__NR_personality, sys_personality), // 136
GENX_(137, sys_ni_syscall), /* unimplemented (by the kernel) */ // 137
GENX_(138, sys_ni_syscall), /* unimplemented (by the kernel) */ // 138
GENX_(139, sys_ni_syscall), /* unimplemented (by the kernel) */ // 139
// LINXY(__NR__llseek, sys_llseek), /* 64 bit --> lseek */ // 140
GENXY(__NR_getdents, sys_getdents), // 141
GENX_(__NR_select, sys_select), // 142
GENX_(__NR_flock, sys_flock), // 143
GENX_(__NR_msync, sys_msync), // 144
GENXY(__NR_readv, sys_readv), // 145
GENX_(__NR_writev, sys_writev), // 146
GENX_(__NR_getsid, sys_getsid), // 147
GENX_(__NR_fdatasync, sys_fdatasync), // 148
LINXY(__NR__sysctl, sys_sysctl), // 149
GENX_(__NR_mlock, sys_mlock), // 150
GENX_(__NR_munlock, sys_munlock), // 151
GENX_(__NR_mlockall, sys_mlockall), // 152
LINX_(__NR_munlockall, sys_munlockall), // 153
LINXY(__NR_sched_setparam, sys_sched_setparam), // 154
LINXY(__NR_sched_getparam, sys_sched_getparam), // 155
LINX_(__NR_sched_setscheduler, sys_sched_setscheduler), // 156
LINX_(__NR_sched_getscheduler, sys_sched_getscheduler), // 157
LINX_(__NR_sched_yield, sys_sched_yield), // 158
LINX_(__NR_sched_get_priority_max, sys_sched_get_priority_max), // 159
LINX_(__NR_sched_get_priority_min, sys_sched_get_priority_min), // 160
LINXY(__NR_sched_rr_get_interval, sys_sched_rr_get_interval), // 162
GENXY(__NR_nanosleep, sys_nanosleep), // 162
GENX_(__NR_mremap, sys_mremap), // 163
GENX_(164, sys_ni_syscall), /* unimplemented (by the kernel) */ // 164
GENX_(165, sys_ni_syscall), /* unimplemented (by the kernel) */ // 165
GENX_(166, sys_ni_syscall), /* unimplemented (by the kernel) */ // 166
GENX_(167, sys_ni_syscall), /* unimplemented (by the kernel) */ // 167
GENXY(__NR_poll, sys_poll), // 168
// ?????(__NR_nfsservctl, ), // 169
GENX_(170, sys_ni_syscall), /* unimplemented (by the kernel) */ // 170
GENX_(171, sys_ni_syscall), /* unimplemented (by the kernel) */ // 171
LINXY(__NR_prctl, sys_prctl), // 172
PLAX_(__NR_rt_sigreturn, sys_rt_sigreturn), // 173
LINXY(__NR_rt_sigaction, sys_rt_sigaction), // 174
LINXY(__NR_rt_sigprocmask, sys_rt_sigprocmask), // 175
LINXY(__NR_rt_sigpending, sys_rt_sigpending), // 176
LINXY(__NR_rt_sigtimedwait, sys_rt_sigtimedwait), // 177
LINXY(__NR_rt_sigqueueinfo, sys_rt_sigqueueinfo), // 178
LINX_(__NR_rt_sigsuspend, sys_rt_sigsuspend), // 179
GENXY(__NR_pread64, sys_pread64), // 180
GENX_(__NR_pwrite64, sys_pwrite64), // 181
GENX_(182, sys_ni_syscall), /* unimplemented (by the kernel) */ // 182
GENXY(__NR_getcwd, sys_getcwd), // 183
LINXY(__NR_capget, sys_capget), // 184
LINX_(__NR_capset, sys_capset), // 185
GENXY(__NR_sigaltstack, sys_sigaltstack), // 186
LINXY(__NR_sendfile, sys_sendfile), // 187
GENX_(188, sys_ni_syscall), /* unimplemented (by the kernel) */ // 188
GENX_(189, sys_ni_syscall), /* unimplemented (by the kernel) */ // 189
GENX_(__NR_vfork, sys_fork), // 190
GENXY(__NR_getrlimit, sys_getrlimit), // 191
GENX_(192, sys_ni_syscall), /* not exported on 64bit*/ // 192
GENX_(193, sys_ni_syscall), /* unimplemented (by the kernel) */ // 193
GENX_(194, sys_ni_syscall), /* unimplemented (by the kernel) */ // 194
GENX_(195, sys_ni_syscall), /* unimplemented (by the kernel) */ // 195
GENX_(196, sys_ni_syscall), /* unimplemented (by the kernel) */ // 196
GENX_(197, sys_ni_syscall), /* unimplemented (by the kernel) */ // 197
GENX_(__NR_lchown, sys_lchown), // 198
GENX_(__NR_getuid, sys_getuid), // 199
GENX_(__NR_getgid, sys_getgid), // 200
GENX_(__NR_geteuid, sys_geteuid), // 201
GENX_(__NR_getegid, sys_getegid), // 202
GENX_(__NR_setreuid, sys_setreuid), // 203
GENX_(__NR_setregid, sys_setregid), // 204
GENXY(__NR_getgroups, sys_getgroups), // 205
GENX_(__NR_setgroups, sys_setgroups), // 206
GENX_(__NR_fchown, sys_fchown), // 207
LINX_(__NR_setresuid, sys_setresuid), // 208
LINXY(__NR_getresuid, sys_getresuid), // 209
LINX_(__NR_setresgid, sys_setresgid), // 210
LINXY(__NR_getresgid, sys_getresgid), // 211
GENX_(__NR_chown, sys_chown), // 212
GENX_(__NR_setuid, sys_setuid), // 213
GENX_(__NR_setgid, sys_setgid), // 214
LINX_(__NR_setfsuid, sys_setfsuid), // 215
LINX_(__NR_setfsgid, sys_setfsgid), // 216
LINX_(__NR_pivot_root, sys_pivot_root), // 217
GENXY(__NR_mincore, sys_mincore), // 218
GENX_(__NR_madvise, sys_madvise), // 219
GENXY(__NR_getdents64, sys_getdents64), // 220
GENX_(221, sys_ni_syscall), /* unimplemented (by the kernel) */ // 221
LINX_(__NR_readahead, sys_readahead), // 222
GENX_(223, sys_ni_syscall), /* unimplemented (by the kernel) */ // 223
LINX_(__NR_setxattr, sys_setxattr), // 224
LINX_(__NR_lsetxattr, sys_lsetxattr), // 225
LINX_(__NR_fsetxattr, sys_fsetxattr), // 226
LINXY(__NR_getxattr, sys_getxattr), // 227
LINXY(__NR_lgetxattr, sys_lgetxattr), // 228
LINXY(__NR_fgetxattr, sys_fgetxattr), // 229
LINXY(__NR_listxattr, sys_listxattr), // 230
LINXY(__NR_llistxattr, sys_llistxattr), // 231
LINXY(__NR_flistxattr, sys_flistxattr), // 232
LINX_(__NR_removexattr, sys_removexattr), // 233
LINX_(__NR_lremovexattr, sys_lremovexattr), // 234
LINX_(__NR_fremovexattr, sys_fremovexattr), // 235
LINX_(__NR_gettid, sys_gettid), // 236
LINXY(__NR_tkill, sys_tkill), // 237
LINXY(__NR_futex, sys_futex), // 238
LINX_(__NR_sched_setaffinity, sys_sched_setaffinity), // 239
LINXY(__NR_sched_getaffinity, sys_sched_getaffinity), // 240
LINXY(__NR_tgkill, sys_tgkill), // 241
GENX_(242, sys_ni_syscall), /* unimplemented (by the kernel) */ // 242
LINXY(__NR_io_setup, sys_io_setup), // 243
LINX_(__NR_io_destroy, sys_io_destroy), // 244
LINXY(__NR_io_getevents, sys_io_getevents), // 245
LINX_(__NR_io_submit, sys_io_submit), // 246
LINXY(__NR_io_cancel, sys_io_cancel), // 247
LINX_(__NR_exit_group, sys_exit_group), // 248
LINXY(__NR_epoll_create, sys_epoll_create), // 249
LINX_(__NR_epoll_ctl, sys_epoll_ctl), // 250
LINXY(__NR_epoll_wait, sys_epoll_wait), // 251
LINX_(__NR_set_tid_address, sys_set_tid_address), // 252
PLAX_(__NR_fadvise64, sys_fadvise64), // 253
LINXY(__NR_timer_create, sys_timer_create), // 254
LINXY(__NR_timer_settime, sys_timer_settime), // 255
LINXY(__NR_timer_gettime, sys_timer_gettime), // 256
LINX_(__NR_timer_getoverrun, sys_timer_getoverrun), // 257
LINX_(__NR_timer_delete, sys_timer_delete), // 258
LINX_(__NR_clock_settime, sys_clock_settime), // 259
LINXY(__NR_clock_gettime, sys_clock_gettime), // 260
LINXY(__NR_clock_getres, sys_clock_getres), // 261
LINXY(__NR_clock_nanosleep, sys_clock_nanosleep), // 262
GENX_(263, sys_ni_syscall), /* unimplemented (by the kernel) */ // 263
GENX_(264, sys_ni_syscall), /* unimplemented (by the kernel) */ // 264
GENXY(__NR_statfs64, sys_statfs64), // 265
GENXY(__NR_fstatfs64, sys_fstatfs64), // 266
// ?????(__NR_remap_file_pages, ),
GENX_(268, sys_ni_syscall), /* unimplemented (by the kernel) */ // 268
GENX_(269, sys_ni_syscall), /* unimplemented (by the kernel) */ // 269
GENX_(270, sys_ni_syscall), /* unimplemented (by the kernel) */ // 270
LINXY(__NR_mq_open, sys_mq_open), // 271
LINX_(__NR_mq_unlink, sys_mq_unlink), // 272
LINX_(__NR_mq_timedsend, sys_mq_timedsend), // 273
LINXY(__NR_mq_timedreceive, sys_mq_timedreceive), // 274
LINX_(__NR_mq_notify, sys_mq_notify), // 275
LINXY(__NR_mq_getsetattr, sys_mq_getsetattr), // 276
// ?????(__NR_kexec_load, ),
LINX_(__NR_add_key, sys_add_key), // 278
LINX_(__NR_request_key, sys_request_key), // 279
LINXY(__NR_keyctl, sys_keyctl), // 280
LINXY(__NR_waitid, sys_waitid), // 281
LINX_(__NR_ioprio_set, sys_ioprio_set), // 282
LINX_(__NR_ioprio_get, sys_ioprio_get), // 283
LINX_(__NR_inotify_init, sys_inotify_init), // 284
LINX_(__NR_inotify_add_watch, sys_inotify_add_watch), // 285
LINX_(__NR_inotify_rm_watch, sys_inotify_rm_watch), // 286
GENX_(287, sys_ni_syscall), /* unimplemented (by the kernel) */ // 287
LINXY(__NR_openat, sys_openat), // 288
LINX_(__NR_mkdirat, sys_mkdirat), // 289
LINX_(__NR_mknodat, sys_mknodat), // 290
LINX_(__NR_fchownat, sys_fchownat), // 291
LINX_(__NR_futimesat, sys_futimesat), // 292
LINXY(__NR_newfstatat, sys_newfstatat), // 293
LINX_(__NR_unlinkat, sys_unlinkat), // 294
LINX_(__NR_renameat, sys_renameat), // 295
LINX_(__NR_linkat, sys_linkat), // 296
LINX_(__NR_symlinkat, sys_symlinkat), // 297
LINX_(__NR_readlinkat, sys_readlinkat), // 298
LINX_(__NR_fchmodat, sys_fchmodat), // 299
LINX_(__NR_faccessat, sys_faccessat), // 300
LINXY(__NR_pselect6, sys_pselect6), // 301
LINXY(__NR_ppoll, sys_ppoll), // 302
LINX_(__NR_unshare, sys_unshare), // 303
LINX_(__NR_set_robust_list, sys_set_robust_list), // 304
LINXY(__NR_get_robust_list, sys_get_robust_list), // 305
LINX_(__NR_splice, sys_splice), // 306
LINX_(__NR_sync_file_range, sys_sync_file_range), // 307
LINX_(__NR_tee, sys_tee), // 308
LINXY(__NR_vmsplice, sys_vmsplice), // 309
GENX_(310, sys_ni_syscall), /* unimplemented (by the kernel) */ // 310
LINXY(__NR_getcpu, sys_getcpu), // 311
LINXY(__NR_epoll_pwait, sys_epoll_pwait), // 312
GENX_(__NR_utimes, sys_utimes), // 313
LINX_(__NR_fallocate, sys_fallocate), // 314
LINX_(__NR_utimensat, sys_utimensat), // 315
LINXY(__NR_signalfd, sys_signalfd), // 316
GENX_(317, sys_ni_syscall), /* unimplemented (by the kernel) */ // 317
LINXY(__NR_eventfd, sys_eventfd), // 318
LINXY(__NR_timerfd_create, sys_timerfd_create), // 319
LINXY(__NR_timerfd_settime, sys_timerfd_settime), // 320
LINXY(__NR_timerfd_gettime, sys_timerfd_gettime), // 321
LINXY(__NR_signalfd4, sys_signalfd4), // 322
LINXY(__NR_eventfd2, sys_eventfd2), // 323
LINXY(__NR_inotify_init1, sys_inotify_init1), // 324
LINXY(__NR_pipe2, sys_pipe2), // 325
LINXY(__NR_dup3, sys_dup3), // 326
LINXY(__NR_epoll_create1, sys_epoll_create1), // 327
LINXY(__NR_preadv, sys_preadv), // 328
LINX_(__NR_pwritev, sys_pwritev), // 329
LINXY(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo), // 330
LINXY(__NR_perf_event_open, sys_perf_event_open), // 331
LINXY(__NR_fanotify_init, sys_fanotify_init), // 332
LINX_(__NR_fanotify_mark, sys_fanotify_mark), // 333
LINXY(__NR_prlimit64, sys_prlimit64), // 334
LINXY(__NR_name_to_handle_at, sys_name_to_handle_at), // 335
LINXY(__NR_open_by_handle_at, sys_open_by_handle_at), // 336
LINXY(__NR_clock_adjtime, sys_clock_adjtime), // 337
LINX_(__NR_syncfs, sys_syncfs), // 338
LINX_(__NR_setns, sys_setns), // 339
LINXY(__NR_process_vm_readv, sys_process_vm_readv), // 340
LINX_(__NR_process_vm_writev, sys_process_vm_writev), // 341
// ?????(__NR_s390_runtime_instr, ), // 342
LINX_(__NR_kcmp, sys_kcmp), // 343
// ?????(__NR_finit_module, ), // 344
LINX_(__NR_sched_setattr, sys_sched_setattr), // 345
LINXY(__NR_sched_getattr, sys_sched_getattr), // 346
LINX_(__NR_renameat2, sys_renameat2), // 347
// ?????(__NR_seccomp, ), // 348
LINXY(__NR_getrandom, sys_getrandom), // 349
LINXY(__NR_memfd_create, sys_memfd_create), // 350
LINX_(__NR_execveat, sys_execveat), // 354
LINX_(__NR_membarrier, sys_membarrier), // 356
LINXY(__NR_recvmmsg, sys_recvmmsg), // 357
LINXY(__NR_sendmmsg, sys_sendmmsg), // 358
LINXY(__NR_socket, sys_socket), // 359
LINXY(__NR_socketpair, sys_socketpair), // 360
LINX_(__NR_bind, sys_bind), // 361
LINX_(__NR_connect, sys_connect), // 362
LINX_(__NR_listen, sys_listen), // 363
LINXY(__NR_accept4, sys_accept4), // 364
LINXY(__NR_getsockopt, sys_getsockopt), // 365
LINX_(__NR_setsockopt, sys_setsockopt), // 366
LINXY(__NR_getsockname, sys_getsockname), // 367
LINXY(__NR_getpeername, sys_getpeername), // 368
LINX_(__NR_sendto, sys_sendto), // 369
LINX_(__NR_sendmsg, sys_sendmsg), // 270
LINXY(__NR_recvfrom, sys_recvfrom), // 371
LINXY(__NR_recvmsg, sys_recvmsg), // 372
LINX_(__NR_shutdown, sys_shutdown), // 373
LINX_(__NR_copy_file_range, sys_copy_file_range), // 375
LINXY(__NR_preadv2, sys_preadv2), // 376
LINX_(__NR_pwritev2, sys_pwritev2), // 377
LINXY(__NR_statx, sys_statx), // 379
GENX_(__NR_rseq, sys_ni_syscall), // 381
LINXY(__NR_io_uring_setup, sys_io_uring_setup), // 425
LINXY(__NR_io_uring_enter, sys_io_uring_enter), // 426
LINXY(__NR_io_uring_register, sys_io_uring_register), // 427
LINXY(__NR_pidfd_open, sys_pidfd_open), // 434
GENX_(__NR_clone3, sys_ni_syscall), // 435
LINXY(__NR_close_range, sys_close_range), // 436
LINX_(__NR_faccessat2, sys_faccessat2), // 439
};
SyscallTableEntry* ML_(get_linux_syscall_entry) ( UInt sysno )
{
const UInt syscall_table_size
= sizeof(syscall_table) / sizeof(syscall_table[0]);
/* Is it in the contiguous initial section of the table? */
if (sysno < syscall_table_size) {
SyscallTableEntry* sys = &syscall_table[sysno];
if (sys->before == NULL)
return NULL; /* no entry */
else
return sys;
}
/* Can't find a wrapper */
return NULL;
}
#endif
/*--------------------------------------------------------------------*/
/*--- end ---*/
/*--------------------------------------------------------------------*/
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