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| author | Alan Modra <amodra@gmail.com> | 2022-03-18 16:33:51 +1030 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2022-03-18 17:24:13 +1030 |
| commit | 5fac3f02edacfca458f7eeaaaa33a87e26e0e332 (patch) | |
| tree | 3513b94e4a4228a4fdde01e4deaf74b54b971519 /gas/config | |
| parent | 9e2c3422948db83ec54ef54e53403cc4fb4c4190 (diff) | |
| download | gdb-5fac3f02edacfca458f7eeaaaa33a87e26e0e332.zip gdb-5fac3f02edacfca458f7eeaaaa33a87e26e0e332.tar.gz gdb-5fac3f02edacfca458f7eeaaaa33a87e26e0e332.tar.bz2 | |
PR28977 tc-i386.c internal error in parse_register
PR 28977
* config/tc-i386.c (parse_register): Handle X_op not O_register
as for a non-reg_section symbol. Simplify array bounds check.
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-i386.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c index 1cc14fe..8ef71b6 100644 --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -12952,17 +12952,18 @@ parse_register (char *reg_string, char **end_op) { const expressionS *e = symbol_get_value_expression (symbolP); - know (e->X_op == O_register); - know (e->X_add_number >= 0 - && (valueT) e->X_add_number < i386_regtab_size); - r = i386_regtab + e->X_add_number; - if (!check_register (r)) + if (e->X_op == O_register + && (valueT) e->X_add_number < i386_regtab_size) { - as_bad (_("register '%s%s' cannot be used here"), - register_prefix, r->reg_name); - r = &bad_reg; + r = i386_regtab + e->X_add_number; + if (!check_register (r)) + { + as_bad (_("register '%s%s' cannot be used here"), + register_prefix, r->reg_name); + r = &bad_reg; + } + *end_op = input_line_pointer; } - *end_op = input_line_pointer; } *input_line_pointer = c; input_line_pointer = save; |