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Fix ptrace and sendfile for PS4
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@Cryptogenic
Cryptogenic committed Dec 21, 2021
1 parent ed257eb commit 7c0bc2c
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Showing 10 changed files with 203 additions and 205 deletions.
2 changes: 2 additions & 0 deletions arch/ps4/bits/alltypes.h.in
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Original file line number Diff line number Diff line change
Expand Up @@ -23,4 +23,6 @@ TYPEDEF unsigned short mode_t;
TYPEDEF unsigned short nlink_t;
TYPEDEF unsigned int blksize_t;

TYPEDEF struct __sigset_t { unsigned int __bits[4]; } sigset_t;

TYPEDEF struct { long long __ll; long double __ld; } max_align_t;
136 changes: 53 additions & 83 deletions include/signal.h
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Original file line number Diff line number Diff line change
Expand Up @@ -73,14 +73,10 @@ typedef struct sigaltstack stack_t;

#define SEGV_MAPERR 1
#define SEGV_ACCERR 2
#define SEGV_BNDERR 3
#define SEGV_PKUERR 4

#define BUS_ADRALN 1
#define BUS_ADRERR 2
#define BUS_OBJERR 3
#define BUS_MCEERR_AR 4
#define BUS_MCEERR_AO 5

#define CLD_EXITED 1
#define CLD_KILLED 2
Expand All @@ -90,99 +86,73 @@ typedef struct sigaltstack stack_t;
#define CLD_CONTINUED 6

union sigval {
int sival_int;
void *sival_ptr;
/* Members as suggested by Annex C of POSIX 1003.1b. */
int sival_int;
void *sival_ptr;
/* 6.0 compatibility */
int sigval_int;
void *sigval_ptr;
};

typedef struct {
#ifdef __SI_SWAP_ERRNO_CODE
int si_signo, si_code, si_errno;
#else
int si_signo, si_errno, si_code;
#endif
union {
char __pad[128 - 2*sizeof(int) - sizeof(long)];
struct {
union {
struct {
pid_t si_pid;
uid_t si_uid;
} __piduid;
struct {
int si_timerid;
int si_overrun;
} __timer;
} __first;
union {
union sigval si_value;
struct {
int si_status;
clock_t si_utime, si_stime;
} __sigchld;
} __second;
} __si_common;
struct {
void *si_addr;
short si_addr_lsb;
union {
struct {
void *si_lower;
void *si_upper;
} __addr_bnd;
unsigned si_pkey;
} __first;
} __sigfault;
struct {
long si_band;
int si_fd;
} __sigpoll;
struct {
void *si_call_addr;
int si_syscall;
unsigned si_arch;
} __sigsys;
} __si_fields;
typedef struct __siginfo {
int si_signo; /* signal number */
int si_errno; /* errno association */
/*
* Cause of signal, one of the SI_ macros or signal-specific
* values, i.e. one of the FPE_... values for SIGFPE. This
* value is equivalent to the second argument to an old-style
* FreeBSD signal handler.
*/
int si_code; /* signal code */
pid_t si_pid; /* sending process */
uid_t si_uid; /* sender's ruid */
int si_status; /* exit value */
void *si_addr; /* faulting instruction */
union sigval si_value; /* signal value */
union {
struct {
int _trapno;/* machine specific trap code */
} _fault;
struct {
int _timerid;
int _overrun;
} _timer;
struct {
int _mqd;
} _mesgq;
struct {
long _band; /* band event for SIGPOLL */
} _poll; /* was this ever used ? */
struct {
long __spare1__;
int __spare2__[7];
} __spare__;
} _reason;
} siginfo_t;
#define si_pid __si_fields.__si_common.__first.__piduid.si_pid
#define si_uid __si_fields.__si_common.__first.__piduid.si_uid
#define si_status __si_fields.__si_common.__second.__sigchld.si_status
#define si_utime __si_fields.__si_common.__second.__sigchld.si_utime
#define si_stime __si_fields.__si_common.__second.__sigchld.si_stime
#define si_value __si_fields.__si_common.__second.si_value
#define si_addr __si_fields.__sigfault.si_addr
#define si_addr_lsb __si_fields.__sigfault.si_addr_lsb
#define si_lower __si_fields.__sigfault.__first.__addr_bnd.si_lower
#define si_upper __si_fields.__sigfault.__first.__addr_bnd.si_upper
#define si_pkey __si_fields.__sigfault.__first.si_pkey
#define si_band __si_fields.__sigpoll.si_band
#define si_fd __si_fields.__sigpoll.si_fd
#define si_timerid __si_fields.__si_common.__first.__timer.si_timerid
#define si_overrun __si_fields.__si_common.__first.__timer.si_overrun
#define si_ptr si_value.sival_ptr
#define si_int si_value.sival_int
#define si_call_addr __si_fields.__sigsys.si_call_addr
#define si_syscall __si_fields.__sigsys.si_syscall
#define si_arch __si_fields.__sigsys.si_arch

struct sigaction {
union {
void (*sa_handler)(int);
void (*sa_sigaction)(int, siginfo_t *, void *);
void (*__sa_sigaction)(int, struct __siginfo *, void *);
} __sa_handler;
sigset_t sa_mask;
int sa_flags;
void (*sa_restorer)(void);
sigset_t sa_mask;
};
#define sa_handler __sa_handler.sa_handler
#define sa_sigaction __sa_handler.sa_sigaction

struct sigevent {
union sigval sigev_value;
int sigev_signo;
int sigev_notify;
void (*sigev_notify_function)(union sigval);
pthread_attr_t *sigev_notify_attributes;
char __pad[56-3*sizeof(long)];
int sigev_notify; /* Notification type */
int sigev_signo; /* Signal number */
union sigval sigev_value; /* Signal value */
union {
int _threadid;
struct {
void (*_function)(union sigval);
void *_attribute; /* pthread_attr_t * */
} _sigev_thread;
long __spare__[8];
} _sigev_un;
};

#define SIGEV_SIGNAL 0
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208 changes: 92 additions & 116 deletions include/sys/ptrace.h
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Original file line number Diff line number Diff line change
Expand Up @@ -6,131 +6,107 @@ extern "C" {

#include <stdint.h>

#define PTRACE_TRACEME 0
#define PT_TRACE_ME PTRACE_TRACEME

#define PTRACE_PEEKTEXT 1
#define PTRACE_PEEKDATA 2
#define PTRACE_PEEKUSER 3
#define PTRACE_POKETEXT 4
#define PTRACE_POKEDATA 5
#define PTRACE_POKEUSER 6
#define PTRACE_CONT 7
#define PTRACE_KILL 8
#define PTRACE_SINGLESTEP 9
#define PTRACE_GETREGS 12
#define PTRACE_SETREGS 13
#define PTRACE_GETFPREGS 14
#define PTRACE_SETFPREGS 15
#define PTRACE_ATTACH 16
#define PTRACE_DETACH 17
#define PTRACE_GETFPXREGS 18
#define PTRACE_SETFPXREGS 19
#define PTRACE_SYSCALL 24
#define PTRACE_SETOPTIONS 0x4200
#define PTRACE_GETEVENTMSG 0x4201
#define PTRACE_GETSIGINFO 0x4202
#define PTRACE_SETSIGINFO 0x4203
#define PTRACE_GETREGSET 0x4204
#define PTRACE_SETREGSET 0x4205
#define PTRACE_SEIZE 0x4206
#define PTRACE_INTERRUPT 0x4207
#define PTRACE_LISTEN 0x4208
#define PTRACE_PEEKSIGINFO 0x4209
#define PTRACE_GETSIGMASK 0x420a
#define PTRACE_SETSIGMASK 0x420b
#define PTRACE_SECCOMP_GET_FILTER 0x420c
#define PTRACE_SECCOMP_GET_METADATA 0x420d
#define PTRACE_GET_SYSCALL_INFO 0x420e

#define PT_READ_I PTRACE_PEEKTEXT
#define PT_READ_D PTRACE_PEEKDATA
#define PT_READ_U PTRACE_PEEKUSER
#define PT_WRITE_I PTRACE_POKETEXT
#define PT_WRITE_D PTRACE_POKEDATA
#define PT_WRITE_U PTRACE_POKEUSER
#define PT_CONTINUE PTRACE_CONT
#define PT_KILL PTRACE_KILL
#define PT_STEP PTRACE_SINGLESTEP
#define PT_GETREGS PTRACE_GETREGS
#define PT_SETREGS PTRACE_SETREGS
#define PT_GETFPREGS PTRACE_GETFPREGS
#define PT_SETFPREGS PTRACE_SETFPREGS
#define PT_ATTACH PTRACE_ATTACH
#define PT_DETACH PTRACE_DETACH
#define PT_GETFPXREGS PTRACE_GETFPXREGS
#define PT_SETFPXREGS PTRACE_SETFPXREGS
#define PT_SYSCALL PTRACE_SYSCALL
#define PT_SETOPTIONS PTRACE_SETOPTIONS
#define PT_GETEVENTMSG PTRACE_GETEVENTMSG
#define PT_GETSIGINFO PTRACE_GETSIGINFO
#define PT_SETSIGINFO PTRACE_SETSIGINFO

#define PTRACE_O_TRACESYSGOOD 0x00000001
#define PTRACE_O_TRACEFORK 0x00000002
#define PTRACE_O_TRACEVFORK 0x00000004
#define PTRACE_O_TRACECLONE 0x00000008
#define PTRACE_O_TRACEEXEC 0x00000010
#define PTRACE_O_TRACEVFORKDONE 0x00000020
#define PTRACE_O_TRACEEXIT 0x00000040
#define PTRACE_O_TRACESECCOMP 0x00000080
#define PTRACE_O_EXITKILL 0x00100000
#define PTRACE_O_SUSPEND_SECCOMP 0x00200000
#define PTRACE_O_MASK 0x003000ff

#define PTRACE_EVENT_FORK 1
#define PTRACE_EVENT_VFORK 2
#define PTRACE_EVENT_CLONE 3
#define PTRACE_EVENT_EXEC 4
#define PTRACE_EVENT_VFORK_DONE 5
#define PTRACE_EVENT_EXIT 6
#define PTRACE_EVENT_SECCOMP 7
#define PTRACE_EVENT_STOP 128

#define PTRACE_PEEKSIGINFO_SHARED 1

#define PTRACE_SYSCALL_INFO_NONE 0
#define PTRACE_SYSCALL_INFO_ENTRY 1
#define PTRACE_SYSCALL_INFO_EXIT 2
#define PTRACE_SYSCALL_INFO_SECCOMP 3
// Updated with BSD header.
#define PT_TRACE_ME 0 /* child declares it's being traced */
#define PT_READ_I 1 /* read word in child's I space */
#define PT_READ_D 2 /* read word in child's D space */
/* was PT_READ_U 3 * read word in child's user structure */
#define PT_WRITE_I 4 /* write word in child's I space */
#define PT_WRITE_D 5 /* write word in child's D space */
/* was PT_WRITE_U 6 * write word in child's user structure */
#define PT_CONTINUE 7 /* continue the child */
#define PT_KILL 8 /* kill the child process */
#define PT_STEP 9 /* single step the child */

#define PT_ATTACH 10 /* trace some running process */
#define PT_DETACH 11 /* stop tracing a process */
#define PT_IO 12 /* do I/O to/from stopped process. */
#define PT_LWPINFO 13 /* Info about the LWP that stopped. */
#define PT_GETNUMLWPS 14 /* get total number of threads */
#define PT_GETLWPLIST 15 /* get thread list */
#define PT_CLEARSTEP 16 /* turn off single step */
#define PT_SETSTEP 17 /* turn on single step */
#define PT_SUSPEND 18 /* suspend a thread */
#define PT_RESUME 19 /* resume a thread */

#define PT_TO_SCE 20
#define PT_TO_SCX 21
#define PT_SYSCALL 22

#define PT_FOLLOW_FORK 23

#define PT_GETREGS 33 /* get general-purpose registers */
#define PT_SETREGS 34 /* set general-purpose registers */
#define PT_GETFPREGS 35 /* get floating-point registers */
#define PT_SETFPREGS 36 /* set floating-point registers */
#define PT_GETDBREGS 37 /* get debugging registers */
#define PT_SETDBREGS 38 /* set debugging registers */

#define PT_VM_TIMESTAMP 40 /* Get VM version (timestamp) */
#define PT_VM_ENTRY 41 /* Get VM map (entry) */

#define PT_FIRSTMACH 64 /* for machine-specific requests */

#include <bits/ptrace.h>
#include <signal.h>

#define __NEED_size_t
#define __NEED_sigset_t
#include <bits/alltypes.h>

struct __ptrace_peeksiginfo_args {
uint64_t off;
uint32_t flags;
int32_t nr;
struct ptrace_io_desc {
int piod_op; /* I/O operation */
void *piod_offs; /* child offset */
void *piod_addr; /* parent offset */
size_t piod_len; /* request length */
};

struct __ptrace_seccomp_metadata {
uint64_t filter_off;
uint64_t flags;
/*
* Operations in piod_op.
*/
#define PIOD_READ_D 1 /* Read from D space */
#define PIOD_WRITE_D 2 /* Write to D space */
#define PIOD_READ_I 3 /* Read from I space */
#define PIOD_WRITE_I 4 /* Write to I space */

#define MAXCOMLEN 19 /* max command name remembered */

/* Argument structure for PT_LWPINFO. */
struct ptrace_lwpinfo {
int pl_lwpid; /* LWP described. */
int pl_event; /* Event that stopped the LWP. */
#define PL_EVENT_NONE 0
#define PL_EVENT_SIGNAL 1
int pl_flags; /* LWP flags. */
#define PL_FLAG_SA 0x01 /* M:N thread */
#define PL_FLAG_BOUND 0x02 /* M:N bound thread */
#define PL_FLAG_SCE 0x04 /* syscall enter point */
#define PL_FLAG_SCX 0x08 /* syscall leave point */
#define PL_FLAG_EXEC 0x10 /* exec(2) succeeded */
#define PL_FLAG_SI 0x20 /* siginfo is valid */
#define PL_FLAG_FORKED 0x40 /* new child */
sigset_t pl_sigmask; /* LWP signal mask */
sigset_t pl_siglist; /* LWP pending signal */
struct __siginfo pl_siginfo; /* siginfo for signal */
char pl_tdname[MAXCOMLEN + 1]; /* LWP name */
int pl_child_pid; /* New child pid */
};

struct __ptrace_syscall_info {
uint8_t op;
uint8_t __pad[3];
uint32_t arch;
uint64_t instruction_pointer;
uint64_t stack_pointer;
union {
struct {
uint64_t nr;
uint64_t args[6];
} entry;
struct {
int64_t rval;
uint8_t is_error;
} exit;
struct {
uint64_t nr;
uint64_t args[6];
uint32_t ret_data;
} seccomp;
};
/* Argument structure for PT_VM_ENTRY. */
struct ptrace_vm_entry {
int pve_entry; /* Entry number used for iteration. */
int pve_timestamp; /* Generation number of VM map. */
unsigned long pve_start; /* Start VA of range. */
unsigned long pve_end; /* End VA of range (incl). */
unsigned long pve_offset; /* Offset in backing object. */
unsigned int pve_prot; /* Protection of memory range. */
unsigned int pve_pathlen; /* Size of path. */
long pve_fileid; /* File ID. */
uint32_t pve_fsid; /* File system ID. */
char *pve_path; /* Path name of object. */
};

long ptrace(int, ...);
int ptrace(int _request, pid_t _pid, void* _addr, int _data);

#ifdef __cplusplus
}
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