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symbolic support for arrays and structs.

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This commit is contained in:
Kelvin Sherlock 2016-12-31 16:24:49 -05:00
parent 3ab6d3538e
commit e4b87634e9
1 changed files with 26 additions and 5 deletions
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31
dumpobj.cpp
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@ -546,9 +546,6 @@ bool dump_obj(const char *name, int fd)
uint32_t type = read_32(iter);
uint8_t klass = read_8(iter);
uint16_t size = read_16(iter);
uint16_t tag = 0;
if (type == T_STRUCT) tag = read_16(iter);
// tag, if it's a struct...
const char *opname = ".sym";
@ -556,14 +553,38 @@ bool dump_obj(const char *name, int fd)
if (version == 0) {
std::string svalue;
svalue = symbols[value].name;
printf("\t%s\t%s, %s, %d, %d, %d\n",
printf("\t%s\t%s, %s, %d, %d, %d",
opname, name.c_str(), svalue.c_str(), type, klass, size);
}
if (version == 1)
printf("\t%s\t%s, %d, %d, %d, %d\n",
printf("\t%s\t%s, %d, %d, %d, %d",
opname, name.c_str(), value, type, klass, size);
// it's a little more complicated than this, I believe...
/*
* type bits 1 ... 5 are T_xxxx
* then 3 bits of DT_xxx (repeatedly)
*
* eg, char ** = DT_PTR <<11 + DT_PTR << 8 + T_CHAR
*/
int t = type & 0x1f;
if ((t == T_STRUCT) || (t == T_UNION)) {
uint16_t tag = read_16(iter);
printf(", %d", tag);
}
// need to do it until t == 0 for
// multidimensional arrays.
for ( t = type >> 5; t; t >>= 3) {
if ((t & 0x07) == DT_ARY) {
uint16_t dim = read_16(iter);
printf(", %d", dim);
}
}
printf("\n");
break;
}