kern: Remove support for (broken) stacktrace

kernel/GNUmakefile

@@ -19,9 +19,6 @@ CC := cc
 # User controllable archiver command.
 AR := ar
 
-# User controllable objdump command.
-OBJDUMP := objdump
-
 # User controllable V command.
 V := v
 
@@ -151,9 +148,6 @@ cc-runtime-x86_64/cc-runtime.a: GNUmakefile cc-runtime/*
 bin/$(OUTPUT): GNUmakefile linker.ld obj/blob.c.o $(OBJ) cc-runtime-x86_64/cc-runtime.a
 	mkdir -p "$$(dirname $@)"
 	$(CC) $(CFLAGS) $(LDFLAGS) obj/blob.c.o $(OBJ) cc-runtime-x86_64/cc-runtime.a -o $@
-	./gensyms.sh $(OBJDUMP) $@ > obj/symbol_table.c
-	$(CC) $(CFLAGS) $(CPPFLAGS) -c obj/symbol_table.c -o obj/symbol_table.c.o
-	$(CC) $(CFLAGS) $(LDFLAGS) obj/blob.c.o $(OBJ) cc-runtime-x86_64/cc-runtime.a -o $@
 
 obj/blob.c.o: GNUmakefile $(VFILES)
 	mkdir -p "$$(dirname $@)"

kernel/main.v

@@ -37,6 +37,8 @@ import socket
 import time
 import limine
 
+#include <symbols.h>
+
 @[_linker_section: '.requests']
 @[cinit]
 __global (

kernel/modules/klock/klock.v

@@ -5,7 +5,6 @@
 module klock
 
 import katomic
-import trace
 
 pub struct Lock {
 pub mut:
@@ -18,7 +17,7 @@ fn C.__builtin_return_address(int) voidptr
 pub fn (mut l Lock) acquire() {
 	caller := u64(C.__builtin_return_address(0))
 
-	for i := u64(0); i < u64(50000000); i++ {
+	for {
 		if l.test_and_acquire() == true {
 			l.caller = caller
 			return
@@ -28,13 +27,6 @@ pub fn (mut l Lock) acquire() {
 			; ; ; memory
 		}
 	}
-
-	C.printf_panic(c'Lock address:   0x%llx\n', voidptr(l))
-	mut offset, mut symbol := trace.address(caller) or { return }
-	C.printf_panic(c'Current caller: 0x%llx  <%s+0x%llx>\n', caller, symbol.name, offset)
-	offset, symbol = trace.address(l.caller) or { return }
-	C.printf_panic(c'Last caller:    0x%llx  <%s+0x%llx>\n', l.caller, symbol.name, offset)
-	panic('Deadlock detected')
 }
 
 pub fn (mut l Lock) release() {

kernel/modules/lib/panic.v

@@ -4,7 +4,6 @@
 
 module lib
 
-import trace
 import x86.apic
 import x86.cpu.local as cpulocal
 import x86.cpu
@@ -46,12 +45,6 @@ pub fn kpanic(gpr_state &cpulocal.GPRState, message charptr) {
 			gpr_state.r13, gpr_state.r14, gpr_state.r15)
 	}
 
-	C.printf_panic(c'Stacktrace:\n')
-	trace.stacktrace(0)
-	if gpr_state != unsafe { nil } && gpr_state.cs == 0x28 {
-		trace.stacktrace(gpr_state.rbp)
-	}
-
 	for {
 		asm volatile amd64 {
 			hlt

kernel/modules/x86/cpu/local/local.v

@@ -5,7 +5,6 @@
 module local
 
 import x86.cpu
-import trace
 
 @[packed]
 pub struct TSS {
@@ -76,9 +75,7 @@ __global (
 pub fn current() &Local {
 	ints := cpu.interrupt_state()
 	if ints != false {
-		print('Attempted to get current CPU struct without disabling ints\n')
-		trace.stacktrace(0)
-		panic('')
+		panic('Attempted to get current CPU struct without disabling ints')
 	}
 
 	mut cpu_number := u64(0)