Date: Tue, 20 Jan 1998 05:10:37 +1100 From: Bruce Evans <bde@zeta.org.au> To: current@freebsd.org Cc: dyson@freebsd.org Subject: gdb breakpoints broken Message-ID: <199801191810.FAA22505@godzilla.zeta.org.au>
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Recent vm changes seem to have broken breakpoints: --- Script started on Tue Jan 20 05:06:21 1998 ttyv0:bde@alphplex:/tmp> gdb /bin/cat GDB is free software and you are welcome to distribute copies of it under certain conditions; type "show copying" to see the conditions. There is absolutely no warranty for GDB; type "show warranty" for details. GDB 4.16 (i386-unknown-freebsd), Copyright 1996 Free Software Foundation, Inc...(no debugging symbols found)... (gdb) b *0x1020 Breakpoint 1 at 0x1020 (gdb) r Starting program: /bin/cat Cannot insert breakpoint 1: Error accessing memory address 0x1020: Bad address. (gdb) q The program is running. Quit anyway (and kill it)? (y or n) y ttyv0:bde@alphplex:/tmp> exit Script done on Tue Jan 20 05:06:37 1998 --- PT_WRITE_{D,I} fails. PT_READ_I works. Bruce
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