new disassembler code.

This commit is contained in:
Kelvin Sherlock 2016-12-25 00:04:17 -05:00
parent 500baaf717
commit 3a060e2c39
4 changed files with 595 additions and 27 deletions

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@ -2,7 +2,10 @@ CC=c++ -std=c++11 -g
CXX=c++ -std=c++11 -g
OBJS = dumpobj.o disasm.o
dumpobj : dumpobj.o disasm.o
dumpobj : dumpobj.o disasm.o disassembler.o
disassembler.o : disassembler.cpp disassembler.h
dumpobj.o : dumpobj.cpp disassembler.h
.PHONY:
clean

497
disassembler.cpp Normal file
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@ -0,0 +1,497 @@
#include "disassembler.h"
#include <stdio.h>
static constexpr const char opcodes[] =
"brkoracoporatsboraaslora"
"phporaaslphdtsboraaslora"
"bploraoraoratrboraaslora"
"clcorainctcstrboraaslora"
"jsrandjslandbitandroland"
"plpandrolpldbitandroland"
"bmiandandandbitandroland"
"secanddectscbitandroland"
"rtieorwdmeormvpeorlsreor"
"phaeorlsrphkjmpeorlsreor"
"bvceoreoreormvneorlsreor"
"clieorphytcdjmleorlsreor"
"rtsadcperadcstzadcroradc"
"plaadcrorrtljmpadcroradc"
"bvsadcadcadcstzadcroradc"
"seiadcplytdcjmpadcroradc"
"brastabrlstastystastxsta"
"deybittxaphbstystastxsta"
"bccstastastastystastxsta"
"tyastatxstxystzstastzsta"
"ldyldaldxldaldyldaldxlda"
"tayldataxplbldyldaldxlda"
"bcsldaldaldaldyldaldxlda"
"clvldatsxtyxldyldaldxlda"
"cpycmprepcmpcpycmpdeccmp"
"inycmpdexwaicpycmpdeccmp"
"bnecmpcmpcmppeicmpdeccmp"
"cldcmpphxstpjmlcmpdeccmp"
"cpxsbcsepsbccpxsbcincsbc"
"inxsbcnopxbacpxsbcincsbc"
"beqsbcsbcsbcpeasbcincsbc"
"sedsbcplxxcejsrsbcincsbc"
;
static constexpr const int mImplied = 0x0000;
static constexpr const int mImmediate = 0x1000;
static constexpr const int mAbsolute = 0x2000;
static constexpr const int mAbsoluteI = 0x3000;
static constexpr const int mAbsoluteIL = 0x4000;
static constexpr const int mAbsoluteLong = 0x5000;
static constexpr const int mDP = 0x6000;
static constexpr const int mDPI = 0x7000;
static constexpr const int mDPIL = 0x8000;
static constexpr const int mRelative = 0x9000;
static constexpr const int mBlockMove = 0xa000;
static constexpr const int m_S = 0x0100;
static constexpr const int m_X = 0x0200;
static constexpr const int m_Y = 0x0400;
static constexpr const int m_M = 0x0020;
static constexpr const int m_I = 0x0010;
static constexpr const int modes[] =
{
1 | mAbsolute, // 00 brk #imm
1 | mDPI | m_X, // 01 ora (dp,x)
1 | mAbsolute, // 02 cop #imm
1 | mDP | m_S, // 03 ora ,s
1 | mDP, // 04 tsb <dp
1 | mDP, // 05 ora <dp
1 | mDP, // 06 asl <dp
1 | mDPIL, // 07 ora [dp]
0 | mImplied, // 08 php
1 | mImmediate | m_M, // 09 ora #imm
0 | mImplied, // 0a asl a
0 | mImplied, // 0b phd
2 | mAbsolute, // 0c tsb |abs
2 | mAbsolute, // 0d ora |abs
2 | mAbsolute, // 0e asl |abs
3 | mAbsoluteLong, // 0f ora >abs
1 | mRelative, // 10 bpl
1 | mDPI | m_Y, // 11 ora (dp),y
1 | mDPI, // 12 ora (dp)
1 | mDPI | m_S | m_Y, // 13 ora ,s,y
1 | mDP, // 14 trb <dp
1 | mDP | m_X, // 15 ora <dp,x
1 | mDP | m_X, // 16 asl <dp,x
1 | mDPIL | m_Y, // 17 ora [dp],y
0 | mImplied, // 18 clc
2 | mAbsolute | m_Y, // 19 ora |abs,y
0 | mImplied, // 1a inc a
0 | mImplied, // 1b tcs
2 | mAbsolute, // 1c trb |abs
2 | mAbsolute | m_X, // 1d ora |abs,x
2 | mAbsolute | m_X, // 1e asl |abs,x
3 | mAbsoluteLong | m_X, // 1f ora >abs,x
2 | mAbsolute, // 20 jsr |abs
1 | mDPI | m_X, // 21 and (dp,x)
3 | mAbsoluteLong, // 22 jsl >abs
1 | mDP | m_S, // 23 and ,s
1 | mDP, // 24 bit <dp
1 | mDP, // 25 and <dp
1 | mDP, // 26 rol <dp
1 | mDPIL, // 27 and [dp]
0 | mImplied, // 28 plp
1 | mImmediate | m_M, // 29 and #imm
0 | mImplied, // 2a rol a
0 | mImplied, // 2b pld
2 | mAbsolute, // 2c bit |abs
2 | mAbsolute, // 2d and |abs
2 | mAbsolute, // 2e rol |abs
3 | mAbsoluteLong, // 2f and >abs
1 | mRelative, // 30 bmi
1 | mDPI | m_Y, // 31 and (dp),y
1 | mDPI, // 32 and (dp)
1 | mDPI | m_S | m_Y, // 33 and ,s,y
1 | mDP | m_X, // 34 bit dp,x
1 | mDP | m_X, // 35 and dp,x
1 | mDP | m_X, // 36 rol <dp,x
1 | mDPIL | m_Y, // 37 and [dp],y
0 | mImplied, // 38 sec
2 | mAbsolute | m_Y, // 39 and |abs,y
0 | mImplied, // 3a dec a
0 | mImplied, // 3b tsc
2 | mAbsolute | m_X, // 3c bits |abs,x
2 | mAbsolute | m_X, // 3d and |abs,x
2 | mAbsolute | m_X, // 3e rol |abs,x
3 | mAbsoluteLong | m_X, // 3f and >abs,x
0 | mImplied, // 40 rti
1 | mDPI | m_X, // 41 eor (dp,x)
1 | mAbsolute, // 42 wdm #imm
1 | mDP | m_S, // 43 eor ,s
2 | mBlockMove, // 44 mvp x,x
1 | mDP, // 45 eor dp
1 | mDP, // 46 lsr dp
1 | mDPIL | m_Y, // 47 eor [dp],y
0 | mImplied, // 48 pha
1 | mImmediate | m_M, // 49 eor #imm
0 | mImplied, // 4a lsr a
0 | mImplied, // 4b phk
2 | mAbsolute, // 4c jmp |abs
2 | mAbsolute, // 4d eor |abs
2 | mAbsolute, // 4e lsr |abs
3 | mAbsoluteLong, // 4f eor >abs
1 | mRelative, // 50 bvc
1 | mDPI | m_Y, // 51 eor (dp),y
1 | mDPI, // 52 eor (dp)
1 | mDPI | m_S | m_Y, // 53 eor ,s,y
2 | mBlockMove, // 54 mvn x,x
1 | mDP | m_X, // 55 eor dp,x
1 | mDP | m_X, // 56 lsr dp,x
1 | mDPIL | m_Y, // 57 eor [dp],y
0 | mImplied, // 58 cli
2 | mAbsolute | m_Y, // 59 eor |abs,y
0 | mImplied, // 5a phy
0 | mImplied, // 5b tcd
3 | mAbsoluteLong, // 5c jml >abs
2 | mAbsolute | m_X, // 5d eor |abs,x
2 | mAbsolute | m_X, // 5e lsr |abs,x
3 | mAbsoluteLong | m_X, // 5f eor >abs,x
0 | mImplied, // 60 rts
1 | mDPI | m_X, // 61 adc (dp,x)
2 | mRelative, // 62 per |abs
1 | mDP | m_S, // 63 adc ,s
1 | mDP, // 64 stz <dp
1 | mDP, // 65 adc <dp
1 | mDP, // 66 ror <dp
1 | mDPIL, // 67 adc [dp]
0 | mImplied, // 68 pla
1 | mImmediate | m_M, // 69 adc #imm
0 | mImplied, // 6a ror a
0 | mImplied, // 6b rtl
2 | mAbsoluteI, // 6c jmp (abs)
2 | mAbsolute, // 6d adc |abs
2 | mAbsolute, // 6e ror |abs
3 | mAbsoluteLong, // 6f adc >abs
1 | mRelative, // 70 bvs
1 | mDPI | m_Y, // 71 adc (dp),y
1 | mDPI, // 72 adc (dp)
1 | mDPI | m_S | m_Y, // 73 adc ,s,y
1 | mDP | m_X, // 74 stz dp,x
1 | mDP | m_X, // 75 adc dp,x
1 | mDP | m_X, // 76 ror dp,x
1 | mDPIL | m_Y, // 77 adc [dp],y
0 | mImplied, // 78 sei
2 | mAbsolute | m_Y, // 79 adc |abs,y
0 | mImplied, // 7a ply
0 | mImplied, // 7b tdc
2 | mAbsoluteI | m_X, // 7c jmp (abs,x)
2 | mAbsolute | m_X, // 7d adc |abs,x
2 | mAbsolute | m_X, // 7e ror |abs,x
3 | mAbsoluteLong | m_X, // 7f adc >abs,x
1 | mRelative, // 80 bra
1 | mDPI | m_X, // 81 sta (dp,x)
2 | mRelative, // 82 brl |abs
1 | mDP | m_S, // 83 sta ,s
1 | mDP, // 84 sty <dp
1 | mDP, // 85 sta <dp
1 | mDP, // 86 stx <dp
1 | mDPIL, // 87 sta [dp]
0 | mImplied, // 88 dey
1 | mImmediate | m_M, // 89 bit #imm
0 | mImplied, // 8a txa
0 | mImplied, // 8b phb
2 | mAbsolute, // 8c sty |abs
2 | mAbsolute, // 8d sta |abs
2 | mAbsolute, // 8e stx |abs
3 | mAbsoluteLong, // 8f sta >abs
1 | mRelative, // 90 bcc
1 | mDPI | m_Y, // 91 sta (dp),y
1 | mDPI, // 92 sta (dp)
1 | mDPI | m_S | m_Y, // 93 sta ,s,y
1 | mDP | m_X, // 94 sty dp,x
1 | mDP | m_X, // 95 sta dp,x
1 | mDP | m_Y, // 96 stx dp,y
1 | mDPIL | m_Y, // 97 sta [dp],y
0 | mImplied, // 98 tya
2 | mAbsolute | m_Y, // 99 sta |abs,y
0 | mImplied, // 9a txs
0 | mImplied, // 9b txy
2 | mAbsolute, // 9c stz |abs
2 | mAbsolute | m_X, // 9d sta |abs,x
2 | mAbsolute | m_X, // 9e stz |abs,x
3 | mAbsoluteLong | m_X, // 9f sta >abs,x
1 | mImmediate | m_I, // a0 ldy #imm
1 | mDPI | m_X, // a1 lda (dp,x)
1 | mImmediate | m_I, // a2 ldx #imm
1 | mDP | m_S, // a3 lda ,s
1 | mDP, // a4 ldy <dp
1 | mDP, // a5 lda <dp
1 | mDP, // a6 ldx <dp
1 | mDPIL, // a7 lda [dp]
0 | mImplied, // a8 tay
1 | mImmediate | m_M, // a9 lda #imm
0 | mImplied, // aa tax
0 | mImplied, // ab plb
2 | mAbsolute, // ac ldy |abs
2 | mAbsolute, // ad lda |abs
2 | mAbsolute, // ae ldx |abs
3 | mAbsoluteLong, // af lda >abs
1 | mRelative, // b0 bcs
1 | mDPI | m_Y, // b1 lda (dp),y
1 | mDPI, // b2 lda (dp)
1 | mDPI | m_S | m_Y, // b3 lda ,s,y
1 | mDP | m_X, // b4 ldy <dp,x
1 | mDP | m_X, // b5 lda <dp,x
1 | mDP | m_Y, // b6 ldx <dp,y
1 | mDPIL | m_Y, // b7 lda [dp],y
0 | mImplied, // b8 clv
2 | mAbsolute | m_Y, // b9 lda |abs,y
0 | mImplied, // ba tsx
0 | mImplied, // bb tyx
2 | mAbsolute | m_X, // bc ldy |abs,x
2 | mAbsolute | m_X, // bd lda |abs,x
2 | mAbsolute | m_Y, // be ldx |abs,y
3 | mAbsoluteLong | m_X, // bf lda >abs,x
1 | mImmediate | m_I, // c0 cpy #imm
1 | mDPI | m_X, // c1 cmp (dp,x)
1 | mImmediate, // c2 rep #
1 | mDP | m_S, // c3 cmp ,s
1 | mDP, // c4 cpy <dp
1 | mDP, // c5 cmp <dp
1 | mDP, // c6 dec <dp
1 | mDPIL, // c7 cmp [dp]
0 | mImplied, // c8 iny
1 | mImmediate | m_M, // c9 cmp #imm
0 | mImplied, // ca dex
0 | mImplied, // cb WAI
2 | mAbsolute, // cc cpy |abs
2 | mAbsolute, // cd cmp |abs
2 | mAbsolute, // ce dec |abs
3 | mAbsoluteLong, // cf cmp >abs
1 | mRelative, // d0 bne
1 | mDPI | m_Y, // d1 cmp (dp),y
1 | mDPI, // d2 cmp (dp)
1 | mDPI | m_S | m_Y, // d3 cmp ,s,y
1 | mDPI, // d4 pei (dp)
1 | mDP | m_X, // d5 cmp dp,x
1 | mDP | m_X, // d6 dec dp,x
1 | mDPIL | m_Y, // d7 cmp [dp],y
0 | mImplied, // d8 cld
2 | mAbsolute | m_Y, // d9 cmp |abs,y
0 | mImplied, // da phx
0 | mImplied, // db stp
2 | mAbsoluteIL, // dc jml [abs]
2 | mAbsolute | m_X, // dd cmp |abs,x
2 | mAbsolute | m_X, // de dec |abs,x
3 | mAbsoluteLong | m_X, // df cmp >abs,x
1 | mImmediate | m_I, // e0 cpx #imm
1 | mDPI | m_X, // e1 sbc (dp,x)
1 | mImmediate, // e2 sep #imm
1 | mDP | m_S, // e3 sbc ,s
1 | mDP, // e4 cpx <dp
1 | mDP, // e5 sbc <dp
1 | mDP, // e6 inc <dp
1 | mDPIL, // e7 sbc [dp]
0 | mImplied, // e8 inx
1 | mImmediate| m_M, // e9 sbc #imm
0 | mImplied, // ea nop
0 | mImplied, // eb xba
2 | mAbsolute, // ec cpx |abs
2 | mAbsolute, // ed abc |abs
2 | mAbsolute, // ee inc |abs
3 | mAbsoluteLong, // ef sbc >abs
1 | mRelative, // f0 beq
1 | mDPI | m_Y, // f1 sbc (dp),y
1 | mDPI, // f2 sbc (dp)
1 | mDPI | m_S | m_Y, // f3 sbc ,s,y
2 | mAbsolute, // f4 pea |abs
1 | mDP | m_X, // f5 sbc dp,x
1 | mDP | m_X, // f6 inc dp,x
1 | mDPIL | m_Y, // f7 sbc [dp],y
0 | mImplied, // f8 sed
2 | mAbsolute | m_Y, // f9 sbc |abs,y
0 | mImplied, // fa plx
0 | mImplied, // fb xce
2 | mAbsoluteI, // fc jsr (abs)
2 | mAbsolute | m_X, // fd sbc |abs,x
2 | mAbsolute | m_X, // fe inc |abs,x
3 | mAbsoluteLong | m_X, // ff sbc >abs,x
};
void disassembler::reset() {
_arg = 0;
_st = 0;
}
void disassembler::dump() {
printf("\tbyte\t");
for (unsigned i = 0; i < _st; ++i) {
if (i > 0) printf(", ");
printf("$%02x", _bytes[i]);
}
printf("\n");
_pc += _st;
reset();
}
void disassembler::dump(const std::string &expr, unsigned size) {
if (_st) dump();
switch(size) {
case 1: printf("\tbyte\t"); break;
case 2: printf("\tword\t"); break;
case 3: printf("\tda\t"); break;
case 4: printf("\tlong\t"); break;
default: printf("\t%d bytes\t", size);
}
printf("%s\n", expr.c_str());
_pc += _size;
reset();
}
void disassembler::process(const std::string &expr, unsigned size) {
if (_st != 1 || size != _size) {
dump(expr, size);
return;
}
print(expr);
}
void disassembler::flush() {
if (_st) dump();
}
void disassembler::process(uint8_t byte) {
_bytes[_st++] = byte;
if (_st == 1) {
_op = byte;
_mode = modes[_op];
_size = _mode & 0x0f;
if (_mode & _flags & m_I) _size++;
if (_mode & _flags & m_M) _size++;
if (!_size) {
print();
}
return;
}
unsigned shift = (_st - 2) * 8;
_arg = _arg + (byte << shift);
if (_st <= _size) return;
switch(_op) {
case 0xc2: // REP
_flags |= (_arg & 0x30);
break;
break;
case 0xe2: // SEP
_flags &= ~(_arg & 0x30);
break;
}
// all done... now print it.
print();
}
void disassembler::print_prefix() {
switch(_mode & 0xf000) {
case mImmediate: printf("\t#"); break;
case mDP: printf("\t<"); break;
case mDPI: printf("\t(<"); break;
case mDPIL: printf("\t[<"); break;
case mRelative:
case mBlockMove:
printf("\t"); break;
// cop, brk are treated as absolute.
case mAbsolute:
if (_size == 1) printf("\t");
else printf("\t|");
break;
case mAbsoluteLong: printf("\t>"); break;
case mAbsoluteI: printf("\t("); break;
}
}
void disassembler::print_suffix() {
switch(_mode & 0x0f00) {
case m_X: printf(",x"); break;
case m_Y: if (!(_mode & (mDPI|mDPIL))) printf(",y"); break;
case m_S:
case m_S | m_Y:
printf(",s"); break;
}
switch(_mode & 0xf000) {
case mAbsoluteI:
case mDPI:
printf(")"); break;
case mAbsoluteIL:
case mDPIL:
printf("]"); break;
}
// (xxx,s),y
// (xxx),y
// [xxx],y
switch(_mode & 0x0f00) {
case m_Y: if (_mode & (mDPI|mDPIL)) printf(",y"); break;
case m_S | m_Y:
printf(",y"); break;
}
}
void disassembler::print() {
printf("\t%.3s", &opcodes[_op * 3]);
print_prefix();
// todo -- relative, block mode.
switch (_size) {
case 0: break;
case 1: printf("$%02x", _arg); break;
case 2: printf("$%04x", _arg); break;
case 3: printf("$%06x", _arg); break;
}
print_suffix();
// also print bytes?
printf("\n");
_pc += _size + 1;
reset();
}
void disassembler::print(const std::string &expr) {
printf("\t%.3s", &opcodes[_op * 3]);
print_prefix();
// todo -- relative, block mode.
printf("%s", expr.c_str());
print_suffix();
// also print bytes?
printf("\n");
_pc += _size + 1;
reset();
}

62
disassembler.h Normal file
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@ -0,0 +1,62 @@
#ifndef __disassembler_h__
#define __disassembler_h__
#include <stdint.h>
#include <string>
class disassembler {
public:
disassembler() = default;
void process(uint8_t byte);
void process(const std::string &expr, unsigned size);
template<class Iter>
void process(Iter begin, Iter end) { while (begin != end) process(*begin++); }
template<class T>
void process(const T &t) { process(std::begin(t), std::end(t)); }
bool m() const { return _flags & 0x20; }
bool x() const { return _flags & 0x10; }
uint32_t pc() const { return _pc; }
void set_m(bool x) {
if (x) _flags |= 0x20;
else _flags &= 0x20;
}
void set_x(bool x) {
if (x) _flags |= 0x10;
else _flags &= 0x10;
}
void set_pc(uint32_t pc) { pc = _pc; }
void flush();
private:
void reset();
void dump();
void dump(const std::string &expr, unsigned size);
void print();
void print(const std::string &expr);
void print_prefix();
void print_suffix();
unsigned _st = 0;
uint8_t _op = 0;
unsigned _size = 0;
unsigned _mode = 0;
uint8_t _bytes[4];
unsigned _flags = 0x30;
unsigned _pc = 0;
unsigned _arg = 0;
};
#endif

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@ -11,6 +11,7 @@
#include <vector>
#include "obj816.h"
#include "disassembler.h"
enum class endian {
little = __ORDER_LITTLE_ENDIAN__,
@ -20,9 +21,9 @@ enum class endian {
extern unsigned init_flags(bool longM, bool longX);
void dump(const std::vector<uint8_t> &data, unsigned &pc);
extern void disasm(const std::vector<uint8_t> &data, unsigned &flags, unsigned &pc);
//extern unsigned init_flags(bool longM, bool longX);
//void dump(const std::vector<uint8_t> &data, unsigned &pc);
//extern void disasm(const std::vector<uint8_t> &data, unsigned &flags, unsigned &pc);
@ -181,8 +182,8 @@ void dump_obj(const char *name, int fd)
uint8_t op = REC_END;
uint32_t pc = 0;
unsigned flags = init_flags(true, true);
disassembler d;
auto iter = data.begin();
while (iter != data.end()) {
@ -190,11 +191,8 @@ void dump_obj(const char *name, int fd)
op = read_8(iter);
if (op == 0) break;
if (op < 0xf0) {
std::vector<uint8_t> tmp(iter, iter + op);
d.process(iter, iter + op);
iter += op;
//printf("DATA: %02x\n", op);
disasm(tmp, flags, pc);
continue;
}
@ -206,8 +204,9 @@ void dump_obj(const char *name, int fd)
uint8_t op = 0;
bytes = read_8(iter);
printf("EXPR: %02x : ", bytes);
pc += bytes;
std::string tmp;
char buffer[32];
for(;;) {
op = read_8(iter);
@ -217,34 +216,35 @@ void dump_obj(const char *name, int fd)
uint8_t section = read_8(iter);
uint32_t offset = read_32(iter);
if (section < sizeof(sections) / sizeof(sections[0]))
printf("%s+%04x ", sections[section], offset);
snprintf(buffer, sizeof(buffer), "%s+%04x ", sections[section], offset);
else
printf("section %02x+%04x ", section, offset);
snprintf(buffer, sizeof(buffer), "section %02x+%04x ", section, offset);
}
tmp.append(buffer);
break;
case OP_VAL:
printf("%04x ", read_32(iter));
snprintf(buffer, sizeof(buffer), "$%04x ", read_32(iter));
tmp.append(buffer);
break;
case OP_SYM:
printf("symbol %02x ", read_16(iter));
snprintf(buffer, sizeof(buffer), "symbol %02x ", read_16(iter));
tmp.append(buffer);
break;
case OP_SHR: printf(">> "); break;
case OP_SHL: printf("<< "); break;
case OP_ADD: printf("+ "); break;
case OP_SUB: printf("- "); break;
case OP_SHR: tmp.append(">> "); break;
case OP_SHL: tmp.append("<< "); break;
case OP_ADD: tmp.append("+ "); break;
case OP_SUB: tmp.append("- "); break;
default:
printf("\n");
errx(EX_DATAERR, "%s: unknown expression opcode %02x", name, op);
}
}
printf("\n");
d.process(tmp, bytes);
}
break;
case REC_DEBUG:
{
static const char *debugs[] = {
"D_C_FILE",
"D_C_LINE",
@ -264,6 +264,7 @@ void dump_obj(const char *name, int fd)
"D_LONGI_OFF",
};
d.flush();
uint16_t size = read_16(iter);
//printf("\t;DEBUG\n");
@ -271,19 +272,19 @@ void dump_obj(const char *name, int fd)
uint8_t op = read_8(iter);
switch(op) {
case D_LONGA_ON:
flags |= 0x20;
d.set_m(true);
printf("\tlonga\ton\n");
break;
case D_LONGA_OFF:
flags &= ~0x20;
d.set_m(false);
printf("\tlonga\toff\n");
break;
case D_LONGI_ON:
flags |= 0x10;
d.set_x(true);
printf("\tlongi\ton\n");
break;
case D_LONGI_OFF:
flags &= ~0x10;
d.set_x(false);
printf("\tlongi\toff\n");
break;
case D_C_FILE: {
@ -316,11 +317,15 @@ void dump_obj(const char *name, int fd)
break;
case REC_SECT: {
d.flush();
uint8_t section = read_8(iter);
printf("\t.sect\t%d\n", section);
break;
}
case REC_ORG: {
d.flush();
uint32_t org = read_32(iter);
printf("\t.org\t$%04x\n", org);
break;
@ -330,6 +335,7 @@ void dump_obj(const char *name, int fd)
case REC_RELEXP:
case REC_LINE:
default:
d.flush();
errx(EX_DATAERR, "%s: unknown opcode %02x", name, op);
}
}