ladybird/Kernel/UnixTypes.h
Itamar 9e51e295cf ptrace: Add PT_SETREGS
PT_SETTREGS sets the regsiters of the traced thread. It can only be
used when the tracee is stopped.

Also, refactor ptrace.
The implementation was getting long and cluttered the alraedy large
Process.cpp file.

This commit moves the bulk of the implementation to Kernel/Ptrace.cpp,
and factors out peek & poke to separate methods of the Process class.
2020-04-13 00:53:22 +02:00

560 lines
12 KiB
C

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/Types.h>
#define PERF_EVENT_MALLOC 1
#define PERF_EVENT_FREE 2
#define WNOHANG 1
#define WUNTRACED 2
#define WSTOPPED WUNTRACED
#define WEXITED 4
#define WCONTINUED 8
#define R_OK 4
#define W_OK 2
#define X_OK 1
#define F_OK 0
#define SIG_DFL ((void*)0)
#define SIG_ERR ((void*)-1)
#define SIG_IGN ((void*)1)
#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2
#define MAP_SHARED 0x01
#define MAP_PRIVATE 0x02
#define MAP_FIXED 0x10
#define MAP_ANONYMOUS 0x20
#define MAP_ANON MAP_ANONYMOUS
#define MAP_STACK 0x40
#define MAP_PURGEABLE 0x80
#define PROT_READ 0x1
#define PROT_WRITE 0x2
#define PROT_EXEC 0x4
#define PROT_NONE 0x0
#define MADV_SET_VOLATILE 0x100
#define MADV_SET_NONVOLATILE 0x200
#define MADV_GET_VOLATILE 0x400
#define MAP_INHERIT_ZERO 1
#define F_DUPFD 0
#define F_GETFD 1
#define F_SETFD 2
#define F_GETFL 3
#define F_SETFL 4
#define FD_CLOEXEC 1
#define FUTEX_WAIT 1
#define FUTEX_WAKE 2
/* c_cc characters */
#define VINTR 0
#define VQUIT 1
#define VERASE 2
#define VKILL 3
#define VEOF 4
#define VTIME 5
#define VMIN 6
#define VSWTC 7
#define VSTART 8
#define VSTOP 9
#define VSUSP 10
#define VEOL 11
#define VREPRINT 12
#define VDISCARD 13
#define VWERASE 14
#define VLNEXT 15
#define VEOL2 16
/* c_iflag bits */
#define IGNBRK 0000001
#define BRKINT 0000002
#define IGNPAR 0000004
#define PARMRK 0000010
#define INPCK 0000020
#define ISTRIP 0000040
#define INLCR 0000100
#define IGNCR 0000200
#define ICRNL 0000400
#define IUCLC 0001000
#define IXON 0002000
#define IXANY 0004000
#define IXOFF 0010000
#define IMAXBEL 0020000
#define IUTF8 0040000
/* c_oflag bits */
#define OPOST 0000001
#define OLCUC 0000002
#define ONLCR 0000004
#define OCRNL 0000010
#define ONOCR 0000020
#define ONLRET 0000040
#define OFILL 0000100
#define OFDEL 0000200
#if defined __USE_MISC || defined __USE_XOPEN
# define NLDLY 0000400
# define NL0 0000000
# define NL1 0000400
# define CRDLY 0003000
# define CR0 0000000
# define CR1 0001000
# define CR2 0002000
# define CR3 0003000
# define TABDLY 0014000
# define TAB0 0000000
# define TAB1 0004000
# define TAB2 0010000
# define TAB3 0014000
# define BSDLY 0020000
# define BS0 0000000
# define BS1 0020000
# define FFDLY 0100000
# define FF0 0000000
# define FF1 0100000
#endif
#define VTDLY 0040000
#define VT0 0000000
#define VT1 0040000
#ifdef __USE_MISC
# define XTABS 0014000
#endif
/* c_cflag bit meaning */
#ifdef __USE_MISC
# define CBAUD 0010017
#endif
#define B0 0000000 /* hang up */
#define B50 0000001
#define B75 0000002
#define B110 0000003
#define B134 0000004
#define B150 0000005
#define B200 0000006
#define B300 0000007
#define B600 0000010
#define B1200 0000011
#define B1800 0000012
#define B2400 0000013
#define B4800 0000014
#define B9600 0000015
#define B19200 0000016
#define B38400 0000017
#ifdef __USE_MISC
# define EXTA B19200
# define EXTB B38400
#endif
#define CSIZE 0000060
#define CS5 0000000
#define CS6 0000020
#define CS7 0000040
#define CS8 0000060
#define CSTOPB 0000100
#define CREAD 0000200
#define PARENB 0000400
#define PARODD 0001000
#define HUPCL 0002000
#define CLOCAL 0004000
#ifdef __USE_MISC
# define CBAUDEX 0010000
#endif
#define B57600 0010001
#define B115200 0010002
#define B230400 0010003
#define B460800 0010004
#define B500000 0010005
#define B576000 0010006
#define B921600 0010007
#define B1000000 0010010
#define B1152000 0010011
#define B1500000 0010012
#define B2000000 0010013
#define B2500000 0010014
#define B3000000 0010015
#define B3500000 0010016
#define B4000000 0010017
#define __MAX_BAUD B4000000
#ifdef __USE_MISC
# define CIBAUD 002003600000 /* input baud rate (not used) */
# define CMSPAR 010000000000 /* mark or space (stick) parity */
# define CRTSCTS 020000000000 /* flow control */
#endif
/* c_lflag bits */
#define ISIG 0000001
#define ICANON 0000002
#if defined __USE_MISC || (defined __USE_XOPEN && !defined __USE_XOPEN2K)
# define XCASE 0000004
#endif
#define ECHO 0000010
#define ECHOE 0000020
#define ECHOK 0000040
#define ECHONL 0000100
#define NOFLSH 0000200
#define TOSTOP 0000400
#ifdef __USE_MISC
# define ECHOCTL 0001000
# define ECHOPRT 0002000
# define ECHOKE 0004000
# define FLUSHO 0010000
# define PENDIN 0040000
#endif
#define IEXTEN 0100000
#ifdef __USE_MISC
# define EXTPROC 0200000
#endif
/* tcflow() and TCXONC use these */
#define TCOOFF 0
#define TCOON 1
#define TCIOFF 2
#define TCION 3
/* tcflush() and TCFLSH use these */
#define TCIFLUSH 0
#define TCOFLUSH 1
#define TCIOFLUSH 2
/* tcsetattr uses these */
#define TCSANOW 0
#define TCSADRAIN 1
#define TCSAFLUSH 2
typedef u32 dev_t;
typedef u32 ino_t;
typedef u16 mode_t;
typedef u32 nlink_t;
typedef u32 uid_t;
typedef u32 gid_t;
typedef u32 clock_t;
typedef u32 socklen_t;
typedef int pid_t;
struct tms {
clock_t tms_utime;
clock_t tms_stime;
clock_t tms_cutime;
clock_t tms_cstime;
};
typedef void (*__sighandler_t)(int);
typedef __sighandler_t sighandler_t;
typedef u32 sigset_t;
union sigval {
int sival_int;
void* sival_ptr;
};
typedef struct siginfo {
int si_signo;
int si_code;
pid_t si_pid;
uid_t si_uid;
void* si_addr;
int si_status;
union sigval si_value;
} siginfo_t;
struct sigaction {
union {
void (*sa_handler)(int);
void (*sa_sigaction)(int, siginfo_t*, void*);
};
sigset_t sa_mask;
int sa_flags;
};
#define SA_NOCLDSTOP 1
#define SA_NOCLDWAIT 2
#define SA_SIGINFO 4
#define SA_NODEFER 0x40000000
#define SIG_BLOCK 0
#define SIG_UNBLOCK 1
#define SIG_SETMASK 2
#define CLD_EXITED 0
#define CLD_KILLED 1
#define CLD_DUMPED 2
#define CLD_TRAPPED 3
#define CLD_STOPPED 4
#define CLD_CONTINUED 5
#define OFF_T_MAX 2147483647
typedef i32 off_t;
typedef i64 time_t;
struct utimbuf {
time_t actime;
time_t modtime;
};
typedef u32 blksize_t;
typedef u32 blkcnt_t;
#define NCCS 32
typedef uint32_t tcflag_t;
typedef uint8_t cc_t;
typedef uint32_t speed_t;
struct termios {
tcflag_t c_iflag;
tcflag_t c_oflag;
tcflag_t c_cflag;
tcflag_t c_lflag;
cc_t c_cc[NCCS];
speed_t c_ispeed;
speed_t c_ospeed;
};
struct stat {
dev_t st_dev; /* ID of device containing file */
ino_t st_ino; /* inode number */
mode_t st_mode; /* protection */
nlink_t st_nlink; /* number of hard links */
uid_t st_uid; /* user ID of owner */
gid_t st_gid; /* group ID of owner */
dev_t st_rdev; /* device ID (if special file) */
off_t st_size; /* total size, in bytes */
blksize_t st_blksize; /* blocksize for file system I/O */
blkcnt_t st_blocks; /* number of 512B blocks allocated */
time_t st_atime; /* time of last access */
time_t st_mtime; /* time of last modification */
time_t st_ctime; /* time of last status change */
};
#define POLLIN (1u << 0)
#define POLLPRI (1u << 2)
#define POLLOUT (1u << 3)
#define POLLERR (1u << 4)
#define POLLHUP (1u << 5)
#define POLLNVAL (1u << 6)
struct pollfd {
int fd;
short events;
short revents;
};
#define AF_MASK 0xff
#define AF_UNSPEC 0
#define AF_LOCAL 1
#define AF_INET 2
#define PF_LOCAL AF_LOCAL
#define PF_INET AF_INET
#define SOCK_TYPE_MASK 0xff
#define SOCK_STREAM 1
#define SOCK_RAW 3
#define SOCK_DGRAM 2
#define SOCK_NONBLOCK 04000
#define SOCK_CLOEXEC 02000000
#define SHUT_RD 1
#define SHUT_WR 2
#define SHUT_RDWR 3
#define MSG_DONTWAIT 0x40
#define SOL_SOCKET 1
#define SO_RCVTIMEO 1
#define SO_SNDTIMEO 2
#define SO_KEEPALIVE 3
#define SO_ERROR 4
#define SO_PEERCRED 5
#define SO_REUSEADDR 6
#define SO_BINDTODEVICE 7
#define IPPROTO_IP 0
#define IPPROTO_ICMP 1
#define IPPROTO_TCP 6
#define IPPROTO_UDP 17
#define IP_TTL 2
struct ucred {
pid_t pid;
uid_t uid;
gid_t gid;
};
struct sockaddr {
u16 sa_family;
char sa_data[14];
};
#define S_IFSOCK 0140000
#define UNIX_PATH_MAX 108
struct sockaddr_un {
u16 sun_family;
char sun_path[UNIX_PATH_MAX];
};
struct in_addr {
uint32_t s_addr;
};
struct sockaddr_in {
int16_t sin_family;
uint16_t sin_port;
struct in_addr sin_addr;
char sin_zero[8];
};
typedef u32 __u32;
typedef u16 __u16;
typedef u8 __u8;
typedef int __s32;
typedef short __s16;
typedef u32 useconds_t;
typedef i32 suseconds_t;
struct timeval {
time_t tv_sec;
suseconds_t tv_usec;
};
struct timespec {
time_t tv_sec;
long tv_nsec;
};
typedef enum {
P_ALL = 1,
P_PID,
P_PGID
} idtype_t;
typedef int clockid_t;
#define CLOCK_REALTIME 0
#define CLOCK_MONOTONIC 1
#define TIMER_ABSTIME 99
#define UTSNAME_ENTRY_LEN 65
struct utsname {
char sysname[UTSNAME_ENTRY_LEN];
char nodename[UTSNAME_ENTRY_LEN];
char release[UTSNAME_ENTRY_LEN];
char version[UTSNAME_ENTRY_LEN];
char machine[UTSNAME_ENTRY_LEN];
};
struct [[gnu::packed]] FarPtr
{
u32 offset { 0 };
u16 selector { 0 };
};
struct iovec {
void* iov_base;
size_t iov_len;
};
struct sched_param {
int sched_priority;
};
struct ifreq {
#define IFNAMSIZ 16
char ifr_name[IFNAMSIZ];
union {
struct sockaddr ifru_addr;
struct sockaddr ifru_dstaddr;
struct sockaddr ifru_broadaddr;
struct sockaddr ifru_netmask;
struct sockaddr ifru_hwaddr;
short ifru_flags;
int ifru_metric;
int64_t ifru_vnetid;
uint64_t ifru_media;
void* ifru_data;
unsigned int ifru_index;
} ifr_ifru;
#define ifr_addr ifr_ifru.ifru_addr // address
#define ifr_dstaddr ifr_ifru.ifru_dstaddr // other end of p-to-p link
#define ifr_broadaddr ifr_ifru.ifru_broadaddr // broadcast address
#define ifr_netmask ifr_ifru.ifru_netmask // network mask
#define ifr_flags ifr_ifru.ifru_flags // flags
#define ifr_metric ifr_ifru.ifru_metric // metric
#define ifr_mtu ifr_ifru.ifru_metric // mtu (overload)
#define ifr_hardmtu ifr_ifru.ifru_metric // hardmtu (overload)
#define ifr_media ifr_ifru.ifru_media // media options
#define ifr_rdomainid ifr_ifru.ifru_metric // VRF instance (overload)
#define ifr_vnetid ifr_ifru.ifru_vnetid // Virtual Net Id
#define ifr_ttl ifr_ifru.ifru_metric // tunnel TTL (overload)
#define ifr_data ifr_ifru.ifru_data // for use by interface
#define ifr_index ifr_ifru.ifru_index // interface index
#define ifr_llprio ifr_ifru.ifru_metric // link layer priority
#define ifr_hwaddr ifr_ifru.ifru_hwaddr // MAC address
};
struct rtentry {
struct sockaddr rt_gateway; /* the gateway address */
struct sockaddr rt_genmask; /* the target network mask */
unsigned short int rt_flags;
char* rt_dev;
/* FIXME: complete the struct */
};
#define RTF_UP 0x1 /* do not delete the route */
#define RTF_GATEWAY 0x2 /* the route is a gateway and not an end host */
#define AT_FDCWD -100
#define PURGE_ALL_VOLATILE 0x1
#define PURGE_ALL_CLEAN_INODE 0x2
#define PT_TRACE_ME 1
#define PT_ATTACH 2
#define PT_CONTINUE 3
#define PT_SYSCALL 4
#define PT_GETREGS 5
#define PT_DETACH 6
#define PT_PEEK 7
#define PT_POKE 8
#define PT_SETREGS 9