From 7496292d882a21b67db64b9969107586d6970002 Mon Sep 17 00:00:00 2001 From: Thiemo Seufer Date: Tue, 4 Dec 2001 14:05:54 +0000 Subject: * config/tc-mips.c (append_insn): Add jump address range overflow check. --- gas/ChangeLog | 5 +++++ gas/config/tc-mips.c | 8 ++++++++ 2 files changed, 13 insertions(+) (limited to 'gas') diff --git a/gas/ChangeLog b/gas/ChangeLog index 9783288..9e75358 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,5 +1,10 @@ 2001-12-04 Thiemo Seufer + * config/tc-mips.c (append_insn): Add jump address range overflow + check. + +2001-12-04 Thiemo Seufer + * config/tc-mips.c (md_parse_option): Fix comment. Allow -mabi option for ELF only. (show): Document -mabi option. diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c index 92d99c8..40f98df 100644 --- a/gas/config/tc-mips.c +++ b/gas/config/tc-mips.c @@ -1974,6 +1974,10 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) if ((address_expr->X_add_number & 3) != 0) as_bad (_("jump to misaligned address (0x%lx)"), (unsigned long) address_expr->X_add_number); + if (address_expr->X_add_number & ~0xfffffff + || address_expr->X_add_number > 0x7fffffc) + as_bad (_("jump address range overflow (0x%lx)"), + (unsigned long) address_expr->X_add_number); ip->insn_opcode |= (address_expr->X_add_number >> 2) & 0x3ffffff; break; @@ -1981,6 +1985,10 @@ append_insn (place, ip, address_expr, reloc_type, unmatched_hi) if ((address_expr->X_add_number & 3) != 0) as_bad (_("jump to misaligned address (0x%lx)"), (unsigned long) address_expr->X_add_number); + if (address_expr->X_add_number & ~0xfffffff + || address_expr->X_add_number > 0x7fffffc) + as_bad (_("jump address range overflow (0x%lx)"), + (unsigned long) address_expr->X_add_number); ip->insn_opcode |= (((address_expr->X_add_number & 0x7c0000) << 3) | ((address_expr->X_add_number & 0xf800000) >> 7) -- cgit v1.1