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Made N_TXTADDR() work for kernels (assume that a ZMAGIC file with an

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out of bounds a_entry is a kernel and use the usual kludge to find
the text address).  If gdb had used this, it would have been able
to find the kernel text address properly.  Unfortunately, it uses
its own a.out macros, so this is mainly an example for gdb to copy.
This commit is contained in:
bde 1997-12-19 20:44:48 +00:00
parent d102d16ab7
commit 8f84818ada
1 changed files with 6 additions and 2 deletions
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8
sys/sys/imgact_aout.h
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@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* from: @(#)exec.h 8.1 (Berkeley) 6/11/93
* $Id$
* $Id: imgact_aout.h,v 1.7 1997/02/22 09:45:18 peter Exp $
*/
#ifndef _IMGACT_AOUT_H_
@ -73,9 +73,13 @@
/* Address of the bottom of the text segment. */
/*
* This can not be done right. Abuse a_entry in some cases to handle kernels.
*/
#define N_TXTADDR(ex) \
((N_GETMAGIC(ex) == OMAGIC || N_GETMAGIC(ex) == NMAGIC || \
N_GETMAGIC(ex) == ZMAGIC) ? 0 : __LDPGSZ)
N_GETMAGIC(ex) == ZMAGIC) ? \
((ex).a_entry < (ex).a_text ? 0 : (ex).a_entry & ~__LDPGSZ) : __LDPGSZ)
/* Address of the bottom of the data segment. */
#define N_DATADDR(ex) \