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Reworked version of Forth Source debugger (Mark Cave-Ayland)

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This patch implements the following Forth words:

   debug <xt> - Mark word for debugging
   debug-off  - Unmark all words for debugging
   resume     - Return from subordinate Forth interpreter

The source debugger also implements the following commands when it has
been activated:

   Up - Unmark current word for debugging, mark parent and continue
   Down - Mark next word for debugging
   Trace - Continue execution until end of word displaying
           debug information
   Rstack - Display contents of the Rstack
   Forth - Launch subordinate Forth interpreter

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

git-svn-id: svn://coreboot.org/openbios/trunk/openbios-devel@611 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Blue Swirl
2009-11-15 21:03:51 +00:00
parent d61aaf0df5
commit d6aac5ffe2
14 changed files with 616 additions and 29 deletions
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3
kernel/stack.c
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@@ -19,6 +19,9 @@ cell dstack[dstacksize];
int rstackcnt = 0;
cell rstack[rstacksize];
/* Rstack value saved before entering forth interpreter in debugger */
int dbgrstackcnt = 0;
#if defined(CONFIG_DEBUG_DSTACK) || defined(FCOMPILER)
void printdstack(void)
{