First cut at printing out ioctl names intelligently. Note that this doesn't
handle linux ioctls (yet?). This uses the mkioctl script from kdump, bless its little heart. Reviewed by: Mike Smith
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=31571
@ -1,8 +1,9 @@
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PROG= truss
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SRCS= main.c setup.c i386-fbsd.c i386-linux.c \
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syscalls.c linux_syscalls.h syscalls.h
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syscalls.c linux_syscalls.h syscalls.h ioctl.c
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CFLAGS+= -I${.CURDIR} -I.
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CLEANFILES+=i386l-syscalls.master syscalls.master linux_syscalls.h syscalls.h
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CLEANFILES+=i386l-syscalls.master syscalls.master linux_syscalls.h \
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syscalls.h ioctl.c
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.SUFFIXES: .master
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@ -20,4 +21,7 @@ syscalls.h: syscalls.master
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/bin/sh ${.CURDIR}/../../sys/kern/makesyscalls.sh syscalls.master \
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${.CURDIR}/i386.conf
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ioctl.c: ${.CURDIR}/../../usr.bin/kdump/mkioctls
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/bin/sh ${.CURDIR}/../../usr.bin/kdump/mkioctls > ioctl.c
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.include <bsd.prog.mk>
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@ -9,16 +9,17 @@
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* Ptr -- pointer to some specific structure. Just print as hex for now.
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* Quad -- a double-word value. e.g., lseek(int, offset_t, int)
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* Stat -- a pointer to a stat buffer. Currently unused.
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* Ioctl -- an ioctl command. Woefully limited.
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*
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* In addition, the pointer types (String, Ptr) may have OUT masked in --
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* this means that the data is set on *return* from the system call -- or
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* IN (meaning that the data is passed *into* the system call).
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*/
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/*
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* $Id$
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* $Id: syscall.h,v 1.1 1997/12/06 05:23:07 sef Exp $
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*/
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enum Argtype { None = 1, Hex, Octal, Int, String, Ptr, Stat, Quad };
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enum Argtype { None = 1, Hex, Octal, Int, String, Ptr, Stat, Ioctl, Quad };
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#define ARG_MASK 0xff
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#define OUT 0x100
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@ -3,7 +3,7 @@
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* arguments.
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*/
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/*
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* $Id$
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* $Id: syscalls.c,v 1.1 1997/12/06 05:23:10 sef Exp $
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*/
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#include <stdio.h>
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@ -39,6 +39,8 @@ struct syscall syscalls[] = {
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{ { Int, 0 }, { Ptr | OUT, 1 }}},
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{ "write", 1, 3,
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{ { Int, 0}, { Ptr | IN, 1 }, { Int, 2 }}},
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{ "ioctl", 1, 3,
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{ { Int, 0}, { Ioctl, 1 }, { Hex, 2 }}},
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{ "break", 1, 1, { { Hex, 0 }}},
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{ "exit", 0, 1, { { Hex, 0 }}},
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{ 0, 0, 0, { 0, 0 } },
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@ -168,6 +170,16 @@ print_arg(int fd, struct syscall_args *sc, unsigned long *args) {
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tmp = malloc(12);
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sprintf(tmp, "0x%x", args[sc->offset]);
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break;
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case Ioctl:
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{
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char *temp = ioctlname(args[sc->offset]);
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if (temp)
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tmp = strdup(temp);
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else {
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tmp = malloc(12);
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sprintf(tmp, "0x%x", args[sc->offset]);
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}
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}
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}
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return tmp;
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}
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