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Debugger: Support more ways to specify breakpoint locations

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- `break function` sets a breakpoint to the entry of `function`, which
  is either a global function or a local function in current page.
- `break number` sets a breakpoint to the specified line in current
  file.
This commit is contained in:
kichikuou
2021-07-24 17:47:26 +09:00
parent d82175c9f5
commit 541cd22e56
3 changed files with 37 additions and 3 deletions
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src/debugger.c
+20 -3
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@@ -94,7 +94,24 @@ static boolean parse_address(const char *str, int *page, int *addr) {
return true;
}
// TODO: accept function names.
*page = sl_getPage();
// <linenum>
char *endptr;
line_no = strtol(str, &endptr, 0);
if (!*endptr) {
*addr = dsym_line2addr(symbols, sl_getPage(), line_no);
if (*addr < 0) {
printf("No line %d in current file.\n", line_no);
return false;
}
return true;
}
// <funcname>
if (dsym_func2addr(symbols, str, page, addr))
return true;
return false;
}
@@ -210,7 +227,7 @@ int dbg_handle_breakpoint(int page, int addr) {
if (bp->no != INTERNAL_BREAKPOINT_NO) {
bp->ignore_next = true;
printf("Breakpoint %d, %d:0x%x\n", bp->no, page, addr);
printf("Breakpoint %d, %s\n", bp->no, format_address(page, addr, false));
}
dbg_trapped = true;
return -1;
@@ -251,7 +268,7 @@ static void cmd_break(void) {
}
Breakpoint *bp = set_breakpoint(page, addr, false);
if (bp)
printf("Breakpoint %d at %s\n", bp->no, arg);
printf("Breakpoint %d at %s\n", bp->no, format_address(bp->page, bp->addr, false));
}
static void cmd_delete(void) {