Date: Wed, 1 Sep 1999 23:10:01 -0700 (PDT) From: Kip Macy <kip@lyris.com> To: Richard Cownie <tich@ma.ikos.com> Cc: freebsd-current@freebsd.org, gdb@sourceware.cygnus.com, tich@par28.ma.ikos.com Subject: Re: gdb-4.17 in FreeBSD 4.0-CURRENT Message-ID: <Pine.SOL.4.05.9909012306460.28347-100000@luna> In-Reply-To: <99082010412803.11889@par28.ma.ikos.com>
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I tried doing the same on FreeBSD 3.2-STABLE but when I run it it complains that it is unable to find dynamic linker breakpoint function and then it stops with a SIGTRAP. Any ideas what might be wrong? Thanks. -Kip On Fri, 20 Aug 1999, Richard Cownie wrote: > I managed to build gdb-4.17 in FreeBSD 4.0, here's how to do it: > > 1) gdb-4.17/configure --host=i386-unknown-freebsdelf4.0 > Have to specify the host explicitly, otherwise it doesn't realize > it needs to use ELF. > > 2) in gdb-4.17/Makefile, add "-DSVR4_SHARED_LIBS" to definition of CFLAGS > > 3) in gdb-4.17/gdb/solib.c, add #include "elf/common.h" > (after #include "elf/external.h") > > 4) in gdb-4.17/gdb/infptrace.c, add #define U_REGS_OFFSET 0x1fa8 > I figured out this number the hard way by searching all the valid PT_READ_U > addresses and comparing the results with PT_GETREGS - found locations > where eip and esp values matched up. Doubtless there's a better way to > get the right value. > > Then it should all build (and perhaps work). The same hacks probably apply > to gdb-4.18 and gdb-current (but so far gdb-4.17 is the most useful version > I've seen for debugging C++). > > Richard Cownie (tich@ma.ikos.com) > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-current" in the body of the message > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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