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fixed lookupSymbol()

This commit is contained in:
Steven Hugg 2018-11-29 20:36:08 -05:00
parent 1d1512453d
commit dfbb5e0f47
2 changed files with 19 additions and 21 deletions
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21
src/baseplatform.ts
View File

@ -1,5 +1,5 @@
import { RAM, RasterVideo, dumpRAM, lookupSymbol } from "./emu";
import { RAM, RasterVideo, dumpRAM } from "./emu";
import { hex, printFlags, invertMap } from "./util";
import { CodeAnalyzer } from "./analysis";
import { disassemble6502 } from "./cpu/disasm6502";
@ -932,7 +932,7 @@ export function dumpStackToString(platform:Platform, mem:Uint8Array|number[], st
var opcode = read(addr + jsrofs); // might be out of bounds
if (opcode == jsrop) { // JSR
s += "\n$" + hex(sp) + ": ";
s += hex(addr,4) + " " + lookupSymbol(addr);
s += hex(addr,4) + " " + lookupSymbol(platform, addr);
sp++;
nraw = 0;
} else {
@ -944,3 +944,20 @@ export function dumpStackToString(platform:Platform, mem:Uint8Array|number[], st
}
return s+"\n";
}
export function lookupSymbol(platform:Platform, addr:number) {
var start = addr;
var foundsym;
var addr2symbol = platform.debugSymbols && platform.debugSymbols.addr2symbol;
while (addr2symbol && addr >= 0) {
var sym = addr2symbol[addr];
if (sym && sym.startsWith('_')) { // return first C symbol we find
return addr2symbol[addr] + " + " + (start-addr);
} else if (sym && !foundsym) { // cache first non-C symbol found
foundsym = sym;
}
addr--;
}
return foundsym || "";
}

19
src/emu.ts
View File

@ -445,22 +445,3 @@ export function newAddressDecoder(table : AddressDecoderEntry[], options?:Addres
return new (AddressDecoder as any)(table, options);
}
// STACK DUMP
var addr2symbol = {}; // address to symbol name map (TODO: import)
export function lookupSymbol(addr) {
var start = addr;
var foundsym;
while (addr2symbol && addr >= 0) {
var sym = addr2symbol[addr];
if (sym && sym.startsWith('_')) { // return first C symbol we find
return addr2symbol[addr] + " + " + (start-addr);
} else if (sym && !foundsym) { // cache first non-C symbol found
foundsym = sym;
}
addr--;
}
return foundsym || "";
}