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- added and use gdb-stub

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git-svn-id: http://moon:8086/svn/mips@87 a8ebac50-d88d-4704-bea3-6648445a41b3
This commit is contained in:
jens
2017-01-16 19:25:08 +00:00
parent 07d42195cf
commit b23ccf5a8c
4 changed files with 56 additions and 55 deletions
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src/libsys/mips_dbg.c
+9 -18
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@@ -42,10 +42,9 @@ enum
STATE_NUM_ENTRIES
};
static int g_state;
static int g_state = STATE_INIT;
static char *g_state_names[STATE_NUM_ENTRIES] = {"Init", "Run", "Single step", "Precedure step"};
typedef struct _sbp_t
{
uint32_t *pAddr;
@@ -285,7 +284,7 @@ void singlestep(struct xcptcontext * xcp, uint32_t *pAddr_curr, uint32_t is_bran
}
void dbg_handler(struct xcptcontext * xcp)
int dbg_handler(struct xcptcontext * xcp)
{
uint32_t bp_addr, bp_index = 0, branch_addr, reg, result, bp_type;
@@ -302,8 +301,13 @@ void dbg_handler(struct xcptcontext * xcp)
pAddr_prev = pAddr_curr - 1;
pAddr_next = pAddr_curr + 1;
if (g_state = STATE_INIT)
{
memset(&xcp_last, 0, sizeof(EXCEPTION_CONTEXT));
}
dbg_puts_d("\n");dbg_puts_d(g_state_names[g_state]);dbg_puts_d("\n");
if (IsBreak(*pAddr_curr))
{
bp_type = BreakGetType(*pAddr_curr);
@@ -582,19 +586,6 @@ void dbg_handler(struct xcptcontext * xcp)
} while (!leave_isr);
memcpy(&xcp_last, xcp, sizeof(EXCEPTION_CONTEXT));
}
int debug_break(struct xcptcontext * xcp)
{
dbg_handler(xcp);
return 0;
}
void dbg_init(void)
{
memset(&xcp_last, 0, sizeof(EXCEPTION_CONTEXT));
g_state = STATE_INIT;
xcpt_register(EXC_BP, debug_break);
}