X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=doc%2Fdebug.texi;h=961888f297be48973b9af5d56ff28af3fcef23f1;hb=c0cd5f5c14152621ad5226d90d5ab1a2f48d5d9e;hp=f93eeda3ad0251375e96f8ac02b31ad06bd0aa60;hpb=1d50ca8650fb96c13add16ef5659cc7aa6d4ab4b;p=pintos-anon

diff --git a/doc/debug.texi b/doc/debug.texi
index f93eeda..961888f 100644
--- a/doc/debug.texi
+++ b/doc/debug.texi
@@ -198,7 +198,7 @@ tree used for this example, line 405 of @file{filesys/file.c} is the
 assertion
 
 @example
-ASSERT (file_ofs >= )0;
+ASSERT (file_ofs >= 0);
 @end example
 
 @noindent
@@ -221,9 +221,8 @@ panicked, you can re-run @command{backtrace} on the user program, like
 so: (typing the command on a single line, of course):
 
 @example
-~/cs140/pintos/src/utils/backtrace grow-too-big 0xc0106eff 0xc01102fb
-0xc010dc22 0xc010cf67 0xc0102319 0xc010325a 0x804812c 0x8048a96
-0x8048ac8
+backtrace grow-too-big 0xc0106eff 0xc01102fb 0xc010dc22 0xc010cf67
+0xc0102319 0xc010325a 0x804812c 0x8048a96 0x8048ac8
 @end example
 
 The results look like this:
@@ -240,13 +239,24 @@ The results look like this:
 0x8048ac8: _start (../../src/lib/user/entry.c:9)
 @end example
 
+Here's an extra tip for anyone who read this far: @command{backtrace}
+is smart enough to strip the @code{Call stack:} header and @samp{.}
+trailer from the command line if you include them.  This can save you
+a little bit of trouble in cutting and pasting.  Thus, the following
+command prints the same output as the first one we used:
+
+@example
+backtrace kernel.o Call stack: 0xc0106eff 0xc01102fb 0xc010dc22
+0xc010cf67 0xc0102319 0xc010325a 0x804812c 0x8048a96 0x8048ac8.
+@end example
+
 @node i386-elf-gdb
 @section @command{i386-elf-gdb}
 
 You can run the Pintos kernel under the supervision of the
 @command{i386-elf-gdb} debugger.@footnote{If you're using an
 80@var{x}86 system for development, it's probably just called
-@command{addr2line}.}  There are two steps in the process.  First,
+@command{gdb}.}  There are two steps in the process.  First,
 start Pintos with the @option{--gdb} option, e.g.@: @command{pintos
 --gdb run}.  Second, in a second terminal, invoke @command{gdb} on
 @file{kernel.o}: