diff options
| author | Alan Modra <amodra@gmail.com> | 1999-11-16 12:27:25 +0000 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 1999-11-16 12:27:25 +0000 |
| commit | 2daf4fd8960262b76e597427e2e230b3fe6470b3 (patch) | |
| tree | 2f5bce813d07e3da98ed893331afea4d8ddcfa6c /gas | |
| parent | 92a66162a2507f0707996b707f22f27d62055bf8 (diff) | |
| download | gdb-2daf4fd8960262b76e597427e2e230b3fe6470b3.zip gdb-2daf4fd8960262b76e597427e2e230b3fe6470b3.tar.gz gdb-2daf4fd8960262b76e597427e2e230b3fe6470b3.tar.bz2 | |
* config/tc-i386.c (i386_immediate): Disallow O_big immediates.
(i386_displacement): Disallow O_big displacements.
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/ChangeLog | 5 | ||||
| -rw-r--r-- | gas/config/tc-i386.c | 17 |
2 files changed, 19 insertions, 3 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 0121ecc..6b99838 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,8 @@ +1999-11-16 Alan Modra <alan@spri.levels.unisa.edu.au> + + * config/tc-i386.c (i386_immediate): Disallow O_big immediates. + (i386_displacement): Disallow O_big displacements. + Mon Nov 15 20:12:43 1999 Donald Lindsay <dlindsay@cygnus.com> * config/tc-arm.c (do_mia,do_mar,do_mra,do_pld,do_ldrl,do_co_reg): Small diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c index 1d8f07c..5219113 100644 --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -2558,7 +2558,7 @@ i386_immediate (imm_start) input_line_pointer = save_input_line_pointer; - if (exp->X_op == O_absent) + if (exp->X_op == O_absent || exp->X_op == O_big) { /* missing or bad expr becomes absolute 0 */ as_bad (_("Missing or invalid immediate expression `%s' taken as 0"), @@ -2567,9 +2567,9 @@ i386_immediate (imm_start) exp->X_add_number = 0; exp->X_add_symbol = (symbolS *) 0; exp->X_op_symbol = (symbolS *) 0; - i.types[this_operand] |= Imm; } - else if (exp->X_op == O_constant) + + if (exp->X_op == O_constant) { int bigimm = Imm32; if (flag_16bit_code ^ (i.prefix[DATA_PREFIX] != 0)) @@ -2808,6 +2808,17 @@ i386_displacement (disp_start, disp_end) RESTORE_END_STRING (disp_end); input_line_pointer = save_input_line_pointer; + if (exp->X_op == O_absent || exp->X_op == O_big) + { + /* missing or bad expr becomes absolute 0 */ + as_bad (_("Missing or invalid displacement expression `%s' taken as 0"), + disp_start); + exp->X_op = O_constant; + exp->X_add_number = 0; + exp->X_add_symbol = (symbolS *) 0; + exp->X_op_symbol = (symbolS *) 0; + } + if (exp->X_op == O_constant) { if (fits_in_signed_byte (exp->X_add_number)) |