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[PATCH] Implement fcnv in objdump
- From: Matthew Wilcox <willy at debian dot org>
- To: binutils at sources dot redhat dot com, parisc-linux at parisc-linux dot org
- Date: Mon, 24 Feb 2003 13:07:53 +0000
- Subject: [PATCH] Implement fcnv in objdump
2003-02-24 Matthew Wilcox <willy at debian dot org>
* hppa-dis.c (print_insn_hppa): Implement fcnv instruction modifiers.
Index: opcodes/hppa-dis.c
===================================================================
RCS file: /cvs/src/src/opcodes/hppa-dis.c,v
retrieving revision 1.41
diff -u -p -r1.41 hppa-dis.c
--- opcodes/hppa-dis.c 31 Dec 2001 23:44:08 -0000 1.41
+++ opcodes/hppa-dis.c 24 Feb 2003 12:59:06 -0000
@@ -123,6 +123,8 @@ static const char *const short_bytes_com
"", ",b,m", ",e", ",e,m"
};
static const char *const float_format_names[] = {",sgl", ",dbl", "", ",quad"};
+static const char *const fcnv_fixed_names[] = {",w", ",dw", "", ",qw"};
+static const char *const fcnv_ufixed_names[] = {",uw", ",udw", "", ",uqw"};
static const char *const float_comp_names[] =
{
",false?", ",false", ",?", ",!<=>", ",=", ",=t", ",?=", ",!<>",
@@ -397,7 +399,7 @@ print_insn_hppa (memaddr, info)
#endif
(*info->fprintf_func) (info->stream, "%s", opcode->name);
- if (!strchr ("cfCY?-+nHNZFIuv", opcode->args[0]))
+ if (!strchr ("cfCY?-+nHNZFIuv{", opcode->args[0]))
(*info->fprintf_func) (info->stream, " ");
for (s = opcode->args; *s != '\0'; ++s)
{
@@ -1131,11 +1136,33 @@ print_insn_hppa (memaddr, info)
break;
}
- /* ?!? FIXME */
case '_':
+ break; /* Dealt with by '{' */
+
case '{':
- fputs_filtered ("Disassembler botch.\n", info);
- break;
+ {
+ int sub = GET_FIELD (insn, 14, 16);
+ int df = GET_FIELD (insn, 17, 18);
+ int sf = GET_FIELD (insn, 19, 20);
+ const char * const * source = float_format_names;
+ const char * const * dest = float_format_names;
+ char *t = "";
+ if (sub == 4)
+ {
+ fputs_filtered (",UND ", info);
+ break;
+ }
+ if ((sub & 3) == 3)
+ t = ",t";
+ if ((sub & 3) == 1)
+ source = (sub & 4) ? fcnv_ufixed_names : fcnv_fixed_names;
+ if (sub & 2)
+ dest = (sub & 4) ? fcnv_ufixed_names : fcnv_fixed_names;
+
+ (*info->fprintf_func) (info->stream, "%s%s%s ",
+ t, source[sf], dest[df]);
+ break;
+ }
case 'm':
{
--
"It's not Hollywood. War is real, war is primarily not about defeat or
victory, it is about death. I've seen thousands and thousands of dead bodies.
Do you think I want to have an academic debate on this subject?" -- Robert Fisk