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| author | Thiemo Seufer <ths@networkno.de> | 2001-12-04 14:05:54 +0000 |
|---|---|---|
| committer | Thiemo Seufer <ths@networkno.de> | 2001-12-04 14:05:54 +0000 |
| commit | 7496292d882a21b67db64b9969107586d6970002 (patch) | |
| tree | fff8b563c4c5c00cbc58a6f8480da2b312078c8e | |
| parent | 34ba82a8bb9bcac71a71f32bc31b700d8e70b670 (diff) | |
| download | gdb-7496292d882a21b67db64b9969107586d6970002.zip gdb-7496292d882a21b67db64b9969107586d6970002.tar.gz gdb-7496292d882a21b67db64b9969107586d6970002.tar.bz2 | |
* config/tc-mips.c (append_insn): Add jump address range overflow
check.
| -rw-r--r-- | gas/ChangeLog | 5 | ||||
| -rw-r--r-- | gas/config/tc-mips.c | 8 |
2 files changed, 13 insertions, 0 deletions
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 <seufer@csv.ica.uni-stuttgart.de> + * config/tc-mips.c (append_insn): Add jump address range overflow + check. + +2001-12-04 Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de> + * 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) |