syscall_proc.c File Reference

#include <miniOS/syscall.h>
#include <miniOS/sched/sched.h>
#include <miniOS/fs/vfs.h>
#include <miniOS/fs/elf.h>
#include <miniOS/mm/heap.h>
#include <miniOS/mm/vmm.h>
#include <miniOS/mm/pmm.h>
#include <miniOS/io.h>
#include <miniOS/signal.h>
#include <miniOS/arch/x86_64/smp.h>
#include <miniOS/arch/x86_64/segment.h>
#include <miniOS/net/lwip_netif.h>
#include <miniOS/types.h>
#include <string.h>
#include <stdint.h>
#include "syscall_internal.h"

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Classes
struct	miniOS_user_regs_struct

Macros
#define	MINI_OS_DEBUG_SYSCALL_PROC   0
#define	SYSCALL_PROC_DEBUG_PRINT(...)
#define	PTRACE_TRACEME   0
#define	PTRACE_PEEKTEXT   1
#define	PTRACE_PEEKDATA   2
#define	PTRACE_POKETEXT   4
#define	PTRACE_POKEDATA   5
#define	PTRACE_CONT   7
#define	PTRACE_KILL   8
#define	PTRACE_SINGLESTEP   9
#define	PTRACE_GETREGS   12
#define	PTRACE_SETREGS   13
#define	PTRACE_SYSCALL   24
#define	EXEC_MAX_ARGS   64
#define	EXEC_MAX_ENVS   128
#define	EXEC_MAX_STRSZ   (32 * 1024)

Functions
static uint64_t	proc_rdtsc (void)
static int	wait_status_encode_exit (int exit_code)
static int	wait_status_encode_stop (int stop_signal)
static int	ptrace_copy_from_tracee (struct thread *target, uint64_t va, void *kbuf, size_t len)
static int	ptrace_ensure_writable (struct thread *target, uint64_t page_va)
static int	ptrace_copy_to_tracee (struct thread *target, uint64_t va, const void *kbuf, size_t len)
static void	ptrace_set_tf (struct thread *target, int on)
static struct thread *	ptrace_find_target (uint32_t tracer_tid, uint32_t pid)
int64_t	syscall_dispatch_proc (uint64_t nr, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t arg4, uint64_t arg5, uint64_t arg6)

Variables
uint64_t	miniOS_tsc_hz

Macro Definition Documentation

EXEC_MAX_ARGS

#define EXEC_MAX_ARGS   64

EXEC_MAX_ENVS

#define EXEC_MAX_ENVS   128

EXEC_MAX_STRSZ

#define EXEC_MAX_STRSZ   (32 * 1024)

MINI_OS_DEBUG_SYSCALL_PROC

#define MINI_OS_DEBUG_SYSCALL_PROC   0

PTRACE_CONT

#define PTRACE_CONT   7

PTRACE_GETREGS

#define PTRACE_GETREGS   12

PTRACE_KILL

#define PTRACE_KILL   8

PTRACE_PEEKDATA

#define PTRACE_PEEKDATA   2

PTRACE_PEEKTEXT

#define PTRACE_PEEKTEXT   1

PTRACE_POKEDATA

#define PTRACE_POKEDATA   5

PTRACE_POKETEXT

#define PTRACE_POKETEXT   4

PTRACE_SETREGS

#define PTRACE_SETREGS   13

PTRACE_SINGLESTEP

#define PTRACE_SINGLESTEP   9

PTRACE_SYSCALL

#define PTRACE_SYSCALL   24

PTRACE_TRACEME

#define PTRACE_TRACEME   0

SYSCALL_PROC_DEBUG_PRINT

#define SYSCALL_PROC_DEBUG_PRINT

(

...

)

Value:

do { } while (0)

Function Documentation

proc_rdtsc()

uint64_t proc_rdtsc ( void )

inlinestatic

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ptrace_copy_from_tracee()

int ptrace_copy_from_tracee ( struct thread * target, uint64_t va, void * kbuf, size_t len )

static

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ptrace_copy_to_tracee()

int ptrace_copy_to_tracee ( struct thread * target, uint64_t va, const void * kbuf, size_t len )

static

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ptrace_ensure_writable()

int ptrace_ensure_writable ( struct thread * target, uint64_t page_va )

static

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ptrace_find_target()

struct thread * ptrace_find_target ( uint32_t tracer_tid, uint32_t pid )

static

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ptrace_set_tf()

void ptrace_set_tf ( struct thread * target, int on )

static

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syscall_dispatch_proc()

int64_t syscall_dispatch_proc	(	uint64_t	nr,
		uint64_t	arg1,
		uint64_t	arg2,
		uint64_t	arg3,
		uint64_t	arg4,
		uint64_t	arg5,
		uint64_t	arg6 )

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wait_status_encode_exit()

int wait_status_encode_exit ( int exit_code )

inlinestatic

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wait_status_encode_stop()

int wait_status_encode_stop ( int stop_signal )

inlinestatic

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Variable Documentation

miniOS_tsc_hz

uint64_t miniOS_tsc_hz

extern