Cleanup of ptrace / ptregs.h

From: Pavel Machek (pavel@suse.cz)
Date: Thu May 03 2001 - 14:51:01 EST


Hi!

Magic constant like 17 is always bad... This gets rid of it.

Please apply,
                                                                Pavel
Index: arch/i386/kernel/ptrace.c
===================================================================
RCS file: /home/cvs/Repository/linux/arch/i386/kernel/ptrace.c,v
retrieving revision 1.1.1.2
diff -u -u -r1.1.1.2 ptrace.c
--- arch/i386/kernel/ptrace.c 2001/04/19 20:02:44 1.1.1.2
+++ arch/i386/kernel/ptrace.c 2001/05/03 18:50:15
@@ -229,7 +229,7 @@
                         break;
 
                 tmp = 0; /* Default return condition */
- if(addr < 17*sizeof(long))
+ if(addr < FRAME_SIZE*sizeof(long))
                         tmp = getreg(child, addr);
                 if(addr >= (long) &dummy->u_debugreg[0] &&
                    addr <= (long) &dummy->u_debugreg[7]){
@@ -256,7 +256,7 @@
                     addr > sizeof(struct user) - 3)
                         break;
 
- if (addr < 17*sizeof(long)) {
+ if (addr < FRAME_SIZE*sizeof(long)) {
                         ret = putreg(child, addr, data);
                         break;
                 }
@@ -369,11 +369,11 @@
         }
 
         case PTRACE_GETREGS: { /* Get all gp regs from the child. */
- if (!access_ok(VERIFY_WRITE, (unsigned *)data, 17*sizeof(long))) {
+ if (!access_ok(VERIFY_WRITE, (unsigned *)data, FRAME_SIZE*sizeof(long))) {
                         ret = -EIO;
                         break;
                 }
- for ( i = 0; i < 17*sizeof(long); i += sizeof(long) ) {
+ for ( i = 0; i < FRAME_SIZE*sizeof(long); i += sizeof(long) ) {
                         __put_user(getreg(child, i),(unsigned long *) data);
                         data += sizeof(long);
                 }
@@ -383,11 +383,11 @@
 
         case PTRACE_SETREGS: { /* Set all gp regs in the child. */
                 unsigned long tmp;
- if (!access_ok(VERIFY_READ, (unsigned *)data, 17*sizeof(long))) {
+ if (!access_ok(VERIFY_READ, (unsigned *)data, FRAME_SIZE*sizeof(long))) {
                         ret = -EIO;
                         break;
                 }
- for ( i = 0; i < 17*sizeof(long); i += sizeof(long) ) {
+ for ( i = 0; i < FRAME_SIZE*sizeof(long); i += sizeof(long) ) {
                         __get_user(tmp, (unsigned long *) data);
                         putreg(child, i, tmp);
                         data += sizeof(long);
Index: include/asm-i386/ptrace.h
===================================================================
RCS file: /home/cvs/Repository/linux/include/asm-i386/ptrace.h,v
retrieving revision 1.1.1.2
diff -u -u -r1.1.1.2 ptrace.h
--- include/asm-i386/ptrace.h 2001/04/19 20:00:50 1.1.1.2
+++ include/asm-i386/ptrace.h 2001/05/03 18:50:15
@@ -18,7 +18,7 @@
 #define EFL 14
 #define UESP 15
 #define SS 16
-
+#define FRAME_SIZE 17
 
 /* this struct defines the way the registers are stored on the
    stack during a system call. */

-- 
I'm pavel@ucw.cz. "In my country we have almost anarchy and I don't care."
Panos Katsaloulis describing me w.r.t. patents at discuss@linmodems.org
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This archive was generated by hypermail 2b29 : Mon May 07 2001 - 21:00:18 EST