diff options
Diffstat (limited to 'opcodes/s390-dis.c')
| -rw-r--r-- | opcodes/s390-dis.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/opcodes/s390-dis.c b/opcodes/s390-dis.c index e4e9cad..fe208ba 100644 --- a/opcodes/s390-dis.c +++ b/opcodes/s390-dis.c @@ -81,6 +81,10 @@ init_disasm (struct disassemble_info *info) } /* Extracts an operand value from an instruction. */ +/* We do not perform the shift operation for larl-type address + operands here since that would lead to an overflow of the 32 bit + integer value. Instead the shift operation is done when printing + the operand in print_insn_s390. */ static inline unsigned int s390_extract_operand (unsigned char *insn, const struct s390_operand *operand) @@ -111,10 +115,6 @@ s390_extract_operand (unsigned char *insn, const struct s390_operand *operand) && (val & (1U << (operand->bits - 1)))) val |= (-1U << (operand->bits - 1)) << 1; - /* Double value if the operand is pc relative. */ - if (operand->flags & S390_OPERAND_PCREL) - val <<= 1; - /* Length x in an instructions has real length x + 1. */ if (operand->flags & S390_OPERAND_LENGTH) val++; @@ -222,7 +222,8 @@ print_insn_s390 (bfd_vma memaddr, struct disassemble_info *info) else if (operand->flags & S390_OPERAND_CR) (*info->fprintf_func) (info->stream, "%%c%i", value); else if (operand->flags & S390_OPERAND_PCREL) - (*info->print_address_func) (memaddr + (int) value, info); + (*info->print_address_func) (memaddr + + (((long long)(int)value) << 1), info); else if (operand->flags & S390_OPERAND_SIGNED) (*info->fprintf_func) (info->stream, "%i", (int) value); else |