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Return back (modified) dbg_is_end_instr_bpoint method in cpu.cc

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This commit is contained in:
Stanislav Shwartsman 2006-04-29 16:14:47 +00:00
parent dc8652b958
commit 199c987ee3
2 changed files with 34 additions and 9 deletions
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38
bochs/cpu/cpu.cc
View File

@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: cpu.cc,v 1.148 2006-04-29 09:27:49 sshwarts Exp $
// $Id: cpu.cc,v 1.149 2006-04-29 16:14:45 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
@ -466,15 +466,19 @@ debugger_check:
}
#endif
BX_CPU_THIS_PTR guard_found.icount++;
// convenient point to see if user typed Ctrl-C
if (bx_guard.interrupt_requested &&
(bx_guard.guard_for & BX_DBG_GUARD_CTRL_C))
{
BX_CPU_THIS_PTR guard_found.guard_found = BX_DBG_GUARD_CTRL_C;
// check for icount or control-C. If found, set guard reg and return.
bx_address debug_eip = BX_CPU_THIS_PTR prev_eip;
if (dbg_is_end_instr_bpoint(
BX_CPU_THIS_PTR sregs[BX_SEG_REG_CS].selector.value,
debug_eip,
BX_CPU_THIS_PTR get_segment_base(BX_SEG_REG_CS) + debug_eip,
BX_CPU_THIS_PTR sregs[BX_SEG_REG_CS].cache.u.segment.d_b,
Is64BitMode()))
{
return;
}
}
#endif // #if BX_DEBUGGER
#if BX_GDBSTUB
@ -993,6 +997,26 @@ bx_bool BX_CPU_C::dbg_is_begin_instr_bpoint(Bit16u cs, bx_address eip, bx_addres
return(0); // not on a breakpoint
}
bx_bool BX_CPU_C::dbg_is_end_instr_bpoint(Bit16u cs, bx_address eip, bx_address laddr, bx_bool is_32, bx_bool is_64)
{
//fprintf (stderr, "end_instr_bp: checking for icount or ^C\n");
BX_CPU_THIS_PTR guard_found.icount++;
BX_CPU_THIS_PTR guard_found.cs = cs;
BX_CPU_THIS_PTR guard_found.eip = eip;
BX_CPU_THIS_PTR guard_found.laddr = laddr;
BX_CPU_THIS_PTR guard_found.is_32bit_code = is_32;
// convenient point to see if user typed Ctrl-C
if (bx_guard.interrupt_requested &&
(bx_guard.guard_for & BX_DBG_GUARD_CTRL_C))
{
BX_CPU_THIS_PTR guard_found.guard_found = BX_DBG_GUARD_CTRL_C;
return(1);
}
return(0); // no breakpoint
}
void BX_CPU_C::dbg_take_irq(void)
{
// NOTE: similar code in ::cpu_loop()

3
bochs/cpu/cpu.h
View File

@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: cpu.h,v 1.284 2006-04-29 09:27:49 sshwarts Exp $
// $Id: cpu.h,v 1.285 2006-04-29 16:14:47 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
@ -2656,6 +2656,7 @@ public: // for now...
BX_SMF bx_bool dbg_get_sreg(bx_dbg_sreg_t *sreg, unsigned sreg_no);
BX_SMF unsigned dbg_query_pending(void);
BX_SMF bx_bool dbg_is_begin_instr_bpoint(Bit16u cs, bx_address eip, bx_address laddr, bx_bool is_32, bx_bool is_64);
BX_SMF bx_bool dbg_is_end_instr_bpoint(Bit16u cs, bx_address eip, bx_address laddr, bx_bool is_32, bx_bool is_64);
#endif
#if BX_DEBUGGER || BX_DISASM || BX_INSTRUMENTATION || BX_GDBSTUB
BX_SMF void dbg_xlate_linear2phy(bx_address linear, Bit32u *phy, bx_bool *valid);