diff options
Diffstat (limited to 'gdb/ax-general.c')
| -rw-r--r-- | gdb/ax-general.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/gdb/ax-general.c b/gdb/ax-general.c index 4f1ea20..6ea6f14 100644 --- a/gdb/ax-general.c +++ b/gdb/ax-general.c @@ -330,6 +330,30 @@ ax_tsv (struct agent_expr *x, enum agent_op op, int num) x->buf[x->len + 2] = (num) & 0xff; x->len += 3; } + +/* Append a string to the expression. Note that the string is going + into the bytecodes directly, not on the stack. As a precaution, + include both length as prefix, and terminate with a NUL. (The NUL + is counted in the length.) */ + +void +ax_string (struct agent_expr *x, char *str, int slen) +{ + int i; + + /* Make sure the string length is reasonable. */ + if (slen < 0 || slen > 0xffff) + internal_error (__FILE__, __LINE__, + _("ax-general.c (ax_string): string " + "length is %d, out of allowed range"), slen); + + grow_expr (x, 2 + slen + 1); + x->buf[x->len++] = ((slen + 1) >> 8) & 0xff; + x->buf[x->len++] = (slen + 1) & 0xff; + for (i = 0; i < slen; ++i) + x->buf[x->len++] = str[i]; + x->buf[x->len++] = '\0'; +} @@ -391,6 +415,19 @@ ax_print (struct ui_file *f, struct agent_expr *x) print_longest (f, 'd', 0, read_const (x, i + 1, aop_map[op].op_size)); } + /* Handle the complicated printf arguments specially. */ + else if (op == aop_printf) + { + int slen, nargs; + + i++; + nargs = x->buf[i++]; + slen = x->buf[i++]; + slen = slen * 256 + x->buf[i++]; + fprintf_filtered (f, _(" \"%s\", %d args"), + &(x->buf[i]), nargs); + i += slen - 1; + } fprintf_filtered (f, "\n"); i += 1 + aop_map[op].op_size; |