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Emit error for unaligned instructions.

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* config/tc-ia64.c (emit_one_bundle): Check and set insn_addr.
	* config/tc-ia64.h (md_frag_check): Define.
This commit is contained in:
Jim Wilson 2004-07-04 00:29:21 +00:00
parent 2405c5d661
commit 5a9ff93dab
3 changed files with 22 additions and 0 deletions
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5
gas/ChangeLog
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@ -1,3 +1,8 @@
2004-07-03 James E Wilson <wilson@specifixinc.com>
* config/tc-ia64.c (emit_one_bundle): Check and set insn_addr.
* config/tc-ia64.h (md_frag_check): Define.
2004-07-03 Aaron W. LaFramboise <aaron98wiridge9@aaronwl.com>
* config/obj-coff.c (obj_coff_weak): New .weak syntax for PE weak

9
gas/config/tc-ia64.c
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@ -6129,6 +6129,7 @@ emit_one_bundle ()
char mnemonic[16];
fixS *fix;
char *f;
int addr_mod;
first = (md.curr_slot + NUM_SLOTS - md.num_slots_in_use) % NUM_SLOTS;
know (first >= 0 & first < NUM_SLOTS);
@ -6160,6 +6161,14 @@ emit_one_bundle ()
f = frag_more (16);
/* Check to see if this bundle is at an offset that is a multiple of 16-bytes
from the start of the frag. */
addr_mod = frag_now_fix () & 15;
if (frag_now->has_code && frag_now->insn_addr != addr_mod)
as_bad (_("instruction address is not a multiple of 16"));
frag_now->insn_addr = addr_mod;
frag_now->has_code = 1;
/* now fill in slots with as many insns as possible: */
curr = first;
idesc = md.slot[curr].idesc;

8
gas/config/tc-ia64.h
View file

@ -158,6 +158,14 @@ extern void ia64_convert_frag (fragS *);
#define TC_FRAG_TYPE int
#define TC_FRAG_INIT(FRAGP) do {(FRAGP)->tc_frag_data = 0;}while (0)
/* Give an error if a frag containing code is not aligned to a 16 byte
boundary. */
#define md_frag_check(FRAGP) \
if ((FRAGP)->has_code \
&& (((FRAGP)->fr_address + (FRAGP)->insn_addr) & 15) != 0) \
as_bad_where ((FRAGP)->fr_file, (FRAGP)->fr_line, \
_("instruction address is not a multiple of 16"));
#define MAX_MEM_FOR_RS_ALIGN_CODE (15 + 16)
#define WORKING_DOT_WORD /* don't do broken word processing for now */