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* remote-udi.c (udi_insert/remove_breakpoint): Completely

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rewrite, only leave out the bugs.
This commit is contained in:
Stu Grossman 1992-04-24 21:39:01 +00:00
parent 57d32184c3
commit 54847287d9
2 changed files with 36 additions and 44 deletions
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3
gdb/ChangeLog
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@ -1,5 +1,8 @@
Fri Apr 24 07:41:19 1992 Stu Grossman (grossman at cygnus.com)
* remote-udi.c (udi_insert/remove_breakpoint): Completely
rewrite, only leave out the bugs.
* Makefile.in: Add 29k/UDI support. Improve depend.
* .Sanitize, alldeps.mak, configure.in, depend: Add 29k/UDI support.

77
gdb/remote-udi.c
View file

@ -125,8 +125,8 @@ typedef struct bkpt_entry_str
UDIBreakType Type;
unsigned int BreakId;
} bkpt_entry_t;
#define MAX_BKPT 40
bkpt_entry_t bkpt_table[MAX_BKPT];
#define BKPT_TABLE_SIZE 40
static bkpt_entry_t bkpt_table[BKPT_TABLE_SIZE];
extern char dfe_errmsg[]; /* error string */
/*********************************************************** SIGNAL SUPPORT */
@ -882,35 +882,30 @@ udi_insert_breakpoint (addr, contents_cache)
CORE_ADDR addr;
char *contents_cache;
{
int cnt = 0;
DENTER("udi_insert_breakpoint()");
int cnt;
UDIError err;
for (cnt = 0; cnt < BKPT_TABLE_SIZE; cnt++)
if (bkpt_table[cnt].Type == 0) /* Find first free slot */
break;
if(cnt >= BKPT_TABLE_SIZE)
error("Too many breakpoints set");
while( cnt < MAX_BKPT) /* find BKPT slot in table */
if( !(bkpt_table[cnt].Type) )
break;
else cnt++;
if(cnt >= MAX_BKPT)
{ error("Too many breakpoints set");
DEXIT("udi_insert_breakpoint() failure");
return 1; /* Failure */
}
bkpt_table[cnt].Addr.Offset = addr;
bkpt_table[cnt].Addr.Space = UDI29KIRAMSpace;
bkpt_table[cnt].PassCount = 1;
bkpt_table[cnt].Type = UDIBreakFlagExecute;
if( UDISetBreakpoint(bkpt_table[cnt].Addr,
bkpt_table[cnt].PassCount,
bkpt_table[cnt].Type,
&bkpt_table[cnt].BreakId) )
{ error("UDISetBreakpoint() failed in udi_insert_breakpoint");
bkpt_table[cnt].Type = 0;
DEXIT("udi_insert_breakpoint() failure");
return 1; /* Failure */
} else
{ DEXIT("udi_insert_breakpoint() success");
return 0; /* Success */
}
err = UDISetBreakpoint(bkpt_table[cnt].Addr,
bkpt_table[cnt].PassCount,
bkpt_table[cnt].Type,
&bkpt_table[cnt].BreakId);
if (err == 0) return 0; /* Success */
bkpt_table[cnt].Type = 0;
error("UDISetBreakpoint returned error code %d\n", err);
}
/**************************************************** UDI_REMOVE_BREAKPOINT */
@ -919,29 +914,23 @@ udi_remove_breakpoint (addr, contents_cache)
CORE_ADDR addr;
char *contents_cache;
{
int cnt = 0;
DENTER("udi_remove_breakpoint()");
int cnt;
UDIError err;
for (cnt = 0; cnt < BKPT_TABLE_SIZE; cnt++)
if (bkpt_table[cnt].Addr.Offset == addr) /* Find matching breakpoint */
break;
if(cnt >= BKPT_TABLE_SIZE)
error("Can't find breakpoint in table");
while( cnt < MAX_BKPT) /* find BKPT slot in table */
if(bkpt_table[cnt].Addr.Offset = addr ) break;
else cnt++;
if(cnt >= MAX_BKPT)
{ error("Can't find breakpoint in table");
DEXIT("udi_remove_breakpoint() failure");
return 1; /* Failure */
}
bkpt_table[cnt].Type = 0;
if ( !UDIClearBreakpoint(bkpt_table[cnt].BreakId)) {
DEXIT("udi_remove_breakpoint()");
return 0; /* Success */
} else {
DEXIT("udi_remove_breakpoint()");
error("UDIClearBreakpoint() failed in udi_remove_breakpoint");
return 1; /* Failure */
}
}
err = UDIClearBreakpoint(bkpt_table[cnt].BreakId);
if (err == 0) return 0; /* Success */
error("UDIClearBreakpoint returned error code %d\n", err);
}
/***************************************************************** UDI_KILL */
static void