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User debugger support:

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* Generalized address checks. The debugger can now also read the commpage.
* Added new syscall _kern_get_thread_cpu_state() to get the CPU state of a
  not running thread. Introduced arch_get_thread_debug_cpu_state() for that
  purpose, which is only implemented for x86 ATM (uses the new
  i386_get_thread_user_iframe()).
* Don't allow a debugger to change a thread's "esp" anymore. That's the esp
  register in the kernel. "user_esp" can still be changed.
* Generally set RF (resume flag) in eflags in interrupt handlers, not only
  after a instruction breakpoint debug exception. This should prevent
  breakpoints from being triggered more than once (e.g. when the breakpoint is
  on an instruction that can cause a page fault). I still saw those with bdb
  in VMware, but that might be a VMware bug.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@31045 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold
2009-06-14 12:14:06 +00:00
parent 87df8902ac
commit 568ade58d0
10 changed files with 189 additions and 51 deletions
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headers/private/kernel/user_debugger.h
+2
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@@ -240,6 +240,8 @@ status_t _user_install_default_debugger(port_id debuggerPort);
port_id _user_install_team_debugger(team_id team, port_id debuggerPort);
status_t _user_remove_team_debugger(team_id team);
status_t _user_debug_thread(thread_id thread);
status_t _user_get_thread_cpu_state(thread_id thread,
struct debug_cpu_state *cpuState);
void _user_wait_for_debugger(void);
status_t _user_set_debugger_breakpoint(void *address, uint32 type,