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/*
* See i386-fbsd.c for copyright and license terms.
*
* System call arguments come in several flavours:
* Hex -- values that should be printed in hex (addresses)
* Octal -- Same as above, but octal
* Int -- normal integer values (file descriptors, for example)
* String -- pointers to sensible data. Note that we treat read() and
* write() arguments as such, even though they may *not* be
* printable data.
* Ptr -- pointer to some specific structure. Just print as hex for now.
* Quad -- a double-word value. e.g., lseek(int, offset_t, int)
* Stat -- a pointer to a stat buffer. Currently unused.
* Ioctl -- an ioctl command. Woefully limited.
*
* In addition, the pointer types (String, Ptr) may have OUT masked in --
* this means that the data is set on *return* from the system call -- or
* IN (meaning that the data is passed *into* the system call).
*/
/*
* $FreeBSD$
*/
enum Argtype { None = 1, Hex, Octal, Int, String, Ptr, Stat, Ioctl, Quad,
Signal, Sockaddr };
#define ARG_MASK 0xff
#define OUT 0x100
#define IN /*0x20*/0
struct syscall_args {
enum Argtype type;
int offset;
};
struct syscall {
const char *name;
int ret_type; /* 0, 1, or 2 return values */
int nargs; /* actual number of meaningful arguments */
/* Hopefully, no syscalls with > 10 args */
struct syscall_args args[10];
};
struct syscall *get_syscall(const char*);
char *get_string(int, void*, int);
char *print_arg(int, struct syscall_args *, unsigned long*);
void print_syscall(FILE *, const char *, int, char **);
void print_syscall_ret(FILE *, const char *, int, char **, int, int);
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