forked from Ports/goldeneye-pc-port
James Dansereau
73820a0c24
First real human WS6 playthrough. Each crash is a subsystem the 21-level
boot sweep never exercises.
- D135 (propobj.c) bgTestHitOnObj: unported N64 GBI parser — raw 8-byte-Gfx
byte/word indices desync on the PC 16-byte Gfx stream, walk off the DL.
Ported #ifdef PORT to gdl->words.w0/.w1 shifts (mirrors pd_port bg.c:3635).
Sub-fix: objHit:9717 div-by-0 — texnum recovery not portable, force -1.
- D137 (gunfire.c) gunDrawSight: s32 sp54 holds a Gfx*; 4-byte slot splices
adjacent stack into the pointer -> wild DL write on right-mouse aim.
#ifdef PORT: Gfx *sp54.
- D138 (snd.c) sndCreatePostEvent: parked audio never drains evtq->allocList,
per-objTick positional-sound posts stall the main thread ("1 room from the
end" freeze). #ifdef PORT no-op until audio lands (D77).
- D139 (cleanup_objects.c) cleanupObjects: read the propDef type via
(u8)obj[0] — correct only big-endian (type = low byte of the header word).
On LE that's extrascale -> walk never hits PROPDEF_END -> runs off the blob
-> frees garbage -> stage-unload crash. #ifdef PORT uses pdef->type.
UNVERIFIED (fast teardown test hit D140 first).
Open: D140 pause-menu watch-model NULL matrix; D118c aim-mode mouse-down
-> crouch. New harness tools_pc/repro_gdb.sh + build-pc/d136_cmds.txt.
-level_09 unregressed (91.65%). Docs: PCPortResearch §F D135-D140,
PORT-LEARNINGS §B/§C, HANDOFF M-23 + M-24 next-task.
48 lines
1.6 KiB
Bash
48 lines
1.6 KiB
Bash
#!/bin/bash
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# Repro harness: launch a level under gdb-attach, dump a full backtrace on the
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# first access violation (0xc0000005 / SIGSEGV). Human plays; close nothing --
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# gdb prints the trace and detaches when it faults.
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#
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# Usage: ./tools_pc/repro_gdb.sh <XX> e.g. ./tools_pc/repro_gdb.sh 34
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set -e
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cd "$(dirname "$0")/.."
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export PATH="/c/msys64/mingw64/bin:$PATH"
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LEVEL="${1:?usage: repro_gdb.sh <XX>}"
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STAMP=$(date +%H%M%S)
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LOG="build-pc/repro_L${LEVEL}_${STAMP}.log"
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GDBLOG="build-pc/repro_L${LEVEL}_${STAMP}.gdb.txt"
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export GE_PCDUMP="1-99999:30" # rolling frame dump -> ppm/ (last few = pre-crash)
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cat > "build-pc/repro_cmds_${STAMP}.txt" <<'EOF'
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set pagination off
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set width 0
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set confirm off
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handle SIGSEGV stop print nopass
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continue
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echo \n\n=================== FAULT CAUGHT ===================\n
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bt
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echo \n--- frame 0 ---\n
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frame 0
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info args
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info locals
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echo \n--- full backtrace ---\n
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bt full
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echo \n--- registers ---\n
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info registers rax rbx rcx rdx rsi rdi rbp rsp r8 r9 r10 r11
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echo \n===================================================\n
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detach
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quit
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EOF
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echo "== launching -level_${LEVEL} (nohup); play a firefight to trigger the crash =="
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nohup ./build-pc/ge007.x86_64.exe "-level_${LEVEL}" > "$LOG" 2>&1 &
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BASHPID=$!
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sleep 6
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# winpid = 4th column of ps -p <bashpid>
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WINPID=$(ps -p "$BASHPID" | awk 'NR==2{print $4}')
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echo "== bash pid=$BASHPID winpid=$WINPID attaching gdb =="
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echo "== game log: $LOG"
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echo "== gdb log: $GDBLOG"
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gdb -batch -x "build-pc/repro_cmds_${STAMP}.txt" -p "$WINPID" 2>&1 | tee "$GDBLOG"
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echo "== done. crash log: ge007.crash.log ; pre-crash frames: ppm/ =="
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