diff options
author | Jeff Law <law@redhat.com> | 2000-06-12 22:23:25 +0000 |
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committer | Jeff Law <law@redhat.com> | 2000-06-12 22:23:25 +0000 |
commit | 53d388d1483bc019a1eba34aedde4a0459ada20c (patch) | |
tree | 2b613b3fdf45391ff433a0d3fb5b9be4563f6dbf /opcodes | |
parent | 2c8f79c2da7024bc3e14ce786d9de79ffcafbebe (diff) | |
download | binutils-53d388d1483bc019a1eba34aedde4a0459ada20c.zip binutils-53d388d1483bc019a1eba34aedde4a0459ada20c.tar.gz binutils-53d388d1483bc019a1eba34aedde4a0459ada20c.tar.bz2 |
* h8300-dis.c: Fix formatting.
(bfd_h8_disassemble): Distinguish adds/subs, inc/dec.[wl]
correctly.
Diffstat (limited to 'opcodes')
-rw-r--r-- | opcodes/ChangeLog | 6 | ||||
-rw-r--r-- | opcodes/h8300-dis.c | 66 |
2 files changed, 40 insertions, 32 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index 78ea691..ffd2670 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,9 @@ +2000-06-12 Kazu Hirata <kazu@hxi.com> + + * h8300-dis.c: Fix formatting. + (bfd_h8_disassemble): Distinguish adds/subs, inc/dec.[wl] + correctly. + Fri Jun 9 21:49:02 2000 Denis Chertykov <denisc@overta.ru> * avr-dis.c (avr_operand): Bugfix for jmp/call address. diff --git a/opcodes/h8300-dis.c b/opcodes/h8300-dis.c index 7afdbc9..489aa8c 100644 --- a/opcodes/h8300-dis.c +++ b/opcodes/h8300-dis.c @@ -23,7 +23,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "dis-asm.h" #include "opintl.h" - /* Run through the opcodes and sort them into order to make them easy to disassemble. */ static void @@ -41,7 +40,7 @@ bfd_h8_disassemble_init () n1 = (int) p->data.nib[0]; else n1 = 0; - + if ((int) p->data.nib[1] < 16) n2 = (int) p->data.nib[1]; else @@ -50,16 +49,15 @@ bfd_h8_disassemble_init () /* Just make sure there are an even number of nibbles in it, and that the count is the same as the length. */ for (i = 0; p->data.nib[i] != E; i++) - /*EMPTY*/; - + ; + if (i & 1) abort (); - + p->length = i / 2; } } - unsigned int bfd_h8_disassemble (addr, info, mode) bfd_vma addr; @@ -109,9 +107,9 @@ bfd_h8_disassemble (addr, info, mode) info->memory_error_func (status, addr, info); return -1; } - + for (l = 2; status == 0 && l < 10; l += 2) - status = info->read_memory_func (addr + l, data+l, 2, info); + status = info->read_memory_func (addr + l, data + l, 2, info); /* Find the exact opcode/arg combo. */ while (q->name) @@ -120,14 +118,14 @@ bfd_h8_disassemble (addr, info, mode) unsigned int len = 0; nib = q->data.nib; - + while (1) { op_type looking_for = *nib; int thisnib = data[len >> 1]; - + thisnib = (len & 1) ? (thisnib & 0xf) : ((thisnib >> 4) & 0xf); - + if (looking_for < 16 && looking_for >= 0) { if (looking_for != thisnib) @@ -137,25 +135,28 @@ bfd_h8_disassemble (addr, info, mode) { if ((int) looking_for & (int) B31) { - if (! (((int) thisnib & 0x8) != 0)) + if (!(((int) thisnib & 0x8) != 0)) goto fail; - + looking_for = (op_type) ((int) looking_for & ~(int) B31); } - + if ((int) looking_for & (int) B30) { if (!(((int) thisnib & 0x8) == 0)) goto fail; - + looking_for = (op_type) ((int) looking_for & ~(int) B30); } if (looking_for & DBIT) { - if ((looking_for & 2) != (thisnib & 2)) + /* Exclude adds/subs by looking at bit 0 and 2, and + make sure the operand size, either w or l, + matches by looking at bit 1. */ + if ((looking_for & 7) != (thisnib & 7)) goto fail; - + abs = (thisnib & 0x8) ? 2 : 1; } else if (looking_for & (REG | IND | INC | DEC)) @@ -181,18 +182,18 @@ bfd_h8_disassemble (addr, info, mode) else if (looking_for & L_32) { int i = len >> 1; - + abs = (data[i] << 24) | (data[i + 1] << 16) | (data[i + 2] << 8) - | (data[i+ 3]); + | (data[i + 3]); plen = 32; } else if (looking_for & L_24) { int i = len >> 1; - + abs = (data[i] << 16) | (data[i + 1] << 8) | (data[i + 2]); plen = 24; } @@ -245,10 +246,10 @@ bfd_h8_disassemble (addr, info, mode) for (i = 0; i < q->length; i++) fprintf (stream, "%02x ", data[i]); - + for (; i < 6; i++) fprintf (stream, " "); - + fprintf (stream, "%s\t", q->name); /* Gross. Disgusting. */ @@ -282,7 +283,7 @@ bfd_h8_disassemble (addr, info, mode) while (*args != E) { int x = *args; - + if (hadone) fprintf (stream, ","); @@ -301,7 +302,7 @@ bfd_h8_disassemble (addr, info, mode) else if (x & REG) { int rn = (x & DST) ? rd : rs; - + switch (x & SIZE) { case L_8: @@ -351,20 +352,22 @@ bfd_h8_disassemble (addr, info, mode) { abs += 2; fprintf (stream, - ".%s%d (%x)", (short) abs > 0 ? "+" : "", + ".%s%d (%x)", + (short) abs > 0 ? "+" : "", (short) abs, addr + (short) abs + 2); } else { fprintf (stream, - ".%s%d (%x)", (char) abs > 0 ? "+" : "", + ".%s%d (%x)", + (char) abs > 0 ? "+" : "", (char) abs, addr + (char) abs + 2); } } else if (x & DISP) { fprintf (stream, "@(0x%x:%d,%s)", - abs,plen, pregnames[rdisp]); + abs, plen, pregnames[rdisp]); } else if (x & CCR) { @@ -377,23 +380,23 @@ bfd_h8_disassemble (addr, info, mode) else /* xgettext:c-format */ fprintf (stream, _("Hmmmm %x"), x); - + hadone = 1; args++; } } - + return q->length; } else /* xgettext:c-format */ fprintf (stream, _("Don't understand %x \n"), looking_for); } - + len++; nib++; } - + fail: q++; } @@ -402,7 +405,6 @@ bfd_h8_disassemble (addr, info, mode) fprintf (stream, "%02x %02x .word\tH'%x,H'%x", data[0], data[1], data[0], data[1]); - return 2; } |