From 314dbcbcd06e0a32f8a10b57a6113d7515505202 Mon Sep 17 00:00:00 2001
From: e5l <leonid.stashevsky@gmail.com>
Date: Mon, 18 Jul 2016 12:55:21 +0300
Subject: [PATCH] translator: llvm multifile build, static and dynamic malloc

---
 car_llvmkot/Makefile              |  19 +++++--
 car_llvmkot/kotlib/kotlin_main.ll |  78 ++++++++++++++++++++++++++
 car_llvmkot/kotlib/memory.ll      |  89 ++++++++++++++++++++++++++++++
 car_llvmkot/src/a.out             | Bin 8592 -> 0 bytes
 car_llvmkot/src/kotlin_main.ll    |  49 ----------------
 car_llvmkot/src/kotlin_main.s     |  49 ----------------
 car_llvmkot/src/main.c            |   2 +
 car_llvmkot/src/memory.h          |  10 ++++
 8 files changed, 193 insertions(+), 103 deletions(-)
 create mode 100644 car_llvmkot/kotlib/kotlin_main.ll
 create mode 100644 car_llvmkot/kotlib/memory.ll
 delete mode 100755 car_llvmkot/src/a.out
 delete mode 100644 car_llvmkot/src/kotlin_main.ll
 delete mode 100644 car_llvmkot/src/kotlin_main.s
 create mode 100644 car_llvmkot/src/memory.h

diff --git a/car_llvmkot/Makefile b/car_llvmkot/Makefile
index 1d1f7e3c000..ce21c035c5f 100644
--- a/car_llvmkot/Makefile
+++ b/car_llvmkot/Makefile
@@ -1,5 +1,6 @@
 BIN_DIR=$(PWD)/bin
 SRC_DIR=$(PWD)/src
+SRC_KOT=$(PWD)/kotlib
 LIB_DIR=$(SRC_DIR)/lib
 OS_ARCH=linux-arm
 
@@ -22,15 +23,17 @@ CAR_FMW_ELF=$(BIN_DIR)/car_fmw.elf
 CAR_FMW_BIN=$(BIN_DIR)/car_fmw.bin
 ST_DIR=$(SRC_DIR)/../../devloader/data/$(OS_ARCH)
 
-LIB_KOTLIN=$(BIN_DIR)/kotlib.o
+LIB_KOT=$(BIN_DIR)/kotlib.o
 
 CC=arm-none-eabi-gcc
 AS=arm-none-eabi-as
 LD=arm-none-eabi-ld
-LL=llc-3.6
 OBJ_COPY=arm-none-eabi-objcopy
 GDB=arm-none-eabi-gdb
 
+LL=llc-3.6
+LLINK=llvm-link-3.6
+
 USB_CONF_DIR=$(LIB_DIR)/usb_conf
 
 INCLUDES=-I$(LIB_CMSIS_DIR) \
@@ -47,15 +50,18 @@ CFLAGS=-g -nostdlib -ffreestanding -O0 \
        -mcpu=cortex-m3 -mfloat-abi=soft -mthumb \
        $(DEFINES)
 LLFLAGS=-march=thumb -mtriple=arm-none-eabi -mcpu=cortex-m3
+LLINK_FLAGS=-S
 ASMFLAGS=-g -mthumb
 
 LD_ALL_DEPS=$(LD) -r $(filter %.o,$^) -o $@
 CC_ALL_DEPS=$(CC) $(CFLAGS) -c $(INCLUDES) $(filter %.c,$^) -o $@
 AS_ALL_DEPS=$(AS) $(ASMFLAGS) $(filter %.s,$^) -o $@
 LL_ALL_DEPS=$(LL) $(LLFLAGS) $(filter %.ll, $^) -o $@
+LLINK_ALL_DEPS=$(LLINK) $(LLINK_FLAGS) $(filter %.ll,$^) > $@
 
 dirhs=$(wildcard $(1)/*.h)
 dircs=$(wildcard $(1)/*.c)
+dirls=$(wildcard $(1)/*.ll)
 dircs_to_prefxd_objs=\
 	$(patsubst $(1)/%.c,$(BIN_DIR)/$(2)%.o,$(call dircs,$1))
 
@@ -65,10 +71,11 @@ $(CAR_FMW_BIN): $(CAR_FMW_ELF) $(BIN_DIR)
 $(CAR_FMW_ELF): $(CAR_FMW_OBJ) $(LIB_STM32F4D_OBJ) \
 		$(LIB_CMSIS_OBJ) $(LIB_STDPERIPH_OBJ) \
 		$(LIB_USB_DEV_OBJ) $(LIB_USB_OTG_OBJ) \
-		$(LIB_USB_VCP_OBJ) $(LIB_KOTLIN)
+		$(LIB_USB_VCP_OBJ) $(LIB_KOT)
 	$(CC) $(CFLAGS) $^ -T $(SRC_DIR)/stm32_flash.ld -o $@
 
 CAR_OBJ_PREFIX=car_
+
 $(CAR_FMW_OBJ): \
 		$(call dircs_to_prefxd_objs,$(SRC_DIR),$(CAR_OBJ_PREFIX))
 	$(LD_ALL_DEPS)
@@ -81,12 +88,14 @@ $(BIN_DIR):
 	mkdir -p $(BIN_DIR)
 
 
-$(LIB_KOTLIN): $(BIN_DIR)/kotlin_main.s
+$(LIB_KOT): $(BIN_DIR)/kotlib.s
 	$(AS_ALL_DEPS)
 
-$(BIN_DIR)/kotlin_main.s: $(SRC_DIR)/kotlin_main.ll
+$(BIN_DIR)/kotlib.s: $(BIN_DIR)/kotlib.ll
 	$(LL_ALL_DEPS)
 
+$(BIN_DIR)/kotlib.ll: $(call dirls,$(SRC_KOT))
+	$(LLINK_ALL_DEPS)
 
 flash: $(CAR_FMW_BIN)
 	$(ST_DIR)/st-flash write $(CAR_FMW_BIN) 0x8000000
diff --git a/car_llvmkot/kotlib/kotlin_main.ll b/car_llvmkot/kotlib/kotlin_main.ll
new file mode 100644
index 00000000000..666eaf2c981
--- /dev/null
+++ b/car_llvmkot/kotlib/kotlin_main.ll
@@ -0,0 +1,78 @@
+declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1)
+attributes #0 = { nounwind "stack-protector-buffer-size"="8" "target-cpu"="cortex-m3" "target-features"="+hwdiv,+strict-align" }
+@CAR_MODE_REMOTE_CONTROL = global i32 1, align 4
+@PROGRAM_DURATIOH_MS = global i32 3000, align 4
+@CAR_MODE_LAST = global i32 2, align 4
+@CAR_MODE_PROGRAMMED = global i32 0, align 4
+%class.MyClass = type { i32, i16, i8 }
+define void @MyClass(%class.MyClass*  %instance, i32  %i, i16  %j, i8  %k) #0
+{
+%instance.addr = alloca %class.MyClass, align 4
+%i.addr = alloca i32, align 4
+store i32 %i, i32* %i.addr, align 4
+%j.addr = alloca i16, align 2
+store i16 %j, i16* %j.addr, align 2
+%k.addr = alloca i8, align 1
+store i8 %k, i8* %k.addr, align 1
+%var1 = load i32* %i.addr, align 4
+%var2 = getelementptr inbounds %class.MyClass* %instance.addr, i32 0, i32 0
+store i32 %var1, i32* %var2, align 4
+%var3 = load i16* %j.addr, align 2
+%var4 = getelementptr inbounds %class.MyClass* %instance.addr, i32 0, i32 1
+store i16 %var3, i16* %var4, align 2
+%var5 = load i8* %k.addr, align 1
+%var6 = getelementptr inbounds %class.MyClass* %instance.addr, i32 0, i32 2
+store i8 %var5, i8* %var6, align 1
+%var7 = bitcast %class.MyClass* %instance to i8*
+%var8 = bitcast %class.MyClass* %instance.addr to i8*
+call void @llvm.memcpy.p0i8.p0i8.i64(i8* %var7, i8* %var8, i64 7, i32 4, i1 false)
+ret void 
+}
+declare void @wait(i32  %i) #0
+define void @engine_program() #0
+{
+call void @engine_init()
+br label %label.while.1
+label.while.1:
+%var9 = icmp slt i32 2, 3
+br i1 %var9, label %label.while.2, label %label.while.3
+label.while.2:
+call void @engine_forward()
+%var10 = load i32* @PROGRAM_DURATIOH_MS, align 4
+call void @wait(i32 %var10)
+call void @engine_stop()
+call void @engine_backward()
+%var11 = load i32* @PROGRAM_DURATIOH_MS, align 4
+call void @wait(i32 %var11)
+call void @engine_stop()
+call void @engine_turn_right()
+%var12 = load i32* @PROGRAM_DURATIOH_MS, align 4
+call void @wait(i32 %var12)
+call void @engine_stop()
+call void @engine_turn_right()
+%var13 = load i32* @PROGRAM_DURATIOH_MS, align 4
+call void @wait(i32 %var13)
+call void @engine_stop()
+br label %label.while.1
+label.while.3:
+ret void 
+}
+declare void @time_init() #0
+declare void @leds_init() #0
+declare void @engine_init() #0
+declare void @run_rc_car(void ()*  %i) #0
+declare void @engine_backward() #0
+define void @kotlin_main() #0
+{
+call void @time_init()
+call void @engine_program()
+ret void 
+}
+declare void @VCP_init() #0
+declare void @engine_stop() #0
+declare void @user_brn_init(void ()*  %i) #0
+declare void @engine_forward() #0
+declare void @run_programmed_car(void ()*  %i) #0
+declare void @engine_turn_left() #0
+declare void @engine_turn_right() #0
+
diff --git a/car_llvmkot/kotlib/memory.ll b/car_llvmkot/kotlib/memory.ll
new file mode 100644
index 00000000000..10b202e0c64
--- /dev/null
+++ b/car_llvmkot/kotlib/memory.ll
@@ -0,0 +1,89 @@
+; ModuleID = 'memory.c'
+target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
+target triple = "thumbv7m-none--eabi"
+
+@static_area_ptr = global i32 0, align 4
+@dynamic_area_ptr = global i32 0, align 4
+@static_area = common global [1000 x i8] zeroinitializer, align 1
+@dynamic_area = common global [1000 x i8] zeroinitializer, align 1
+
+; Function Attrs: nounwind
+define void @init_dynamic_area() #0 {
+  store i32 0, i32* @dynamic_area_ptr, align 4
+  ret void
+}
+
+; Function Attrs: nounwind
+define i8* @malloc_static(i32 %size) #0 {
+  %1 = alloca i8*, align 4
+  %2 = alloca i32, align 4
+  %result = alloca i32, align 4
+  store i32 %size, i32* %2, align 4
+  %3 = load i32* %2, align 4
+  %4 = load i32* @static_area_ptr, align 4
+  %5 = add nsw i32 %3, %4
+  %6 = icmp sgt i32 %5, 1000
+  br i1 %6, label %7, label %8
+
+; <label>:7                                       ; preds = %0
+  store i8* null, i8** %1
+  br label %15
+
+; <label>:8                                       ; preds = %0
+  %9 = load i32* @static_area_ptr, align 4
+  store i32 %9, i32* %result, align 4
+  %10 = load i32* %2, align 4
+  %11 = load i32* @static_area_ptr, align 4
+  %12 = add nsw i32 %11, %10
+  store i32 %12, i32* @static_area_ptr, align 4
+  %13 = load i32* %result, align 4
+  %14 = inttoptr i32 %13 to i8*
+  store i8* %14, i8** %1
+  br label %15
+
+; <label>:15                                      ; preds = %8, %7
+  %16 = load i8** %1
+  ret i8* %16
+}
+
+; Function Attrs: nounwind
+define i8* @malloc_dynamic(i32 %size) #0 {
+  %1 = alloca i8*, align 4
+  %2 = alloca i32, align 4
+  %result = alloca i32, align 4
+  store i32 %size, i32* %2, align 4
+  %3 = load i32* %2, align 4
+  %4 = load i32* @dynamic_area_ptr, align 4
+  %5 = add nsw i32 %3, %4
+  %6 = icmp sgt i32 %5, 1000
+  br i1 %6, label %7, label %8
+
+; <label>:7                                       ; preds = %0
+  store i8* null, i8** %1
+  br label %15
+
+; <label>:8                                       ; preds = %0
+  %9 = load i32* @dynamic_area_ptr, align 4
+  store i32 %9, i32* %result, align 4
+  %10 = load i32* %2, align 4
+  %11 = load i32* @dynamic_area_ptr, align 4
+  %12 = add nsw i32 %11, %10
+  store i32 %12, i32* @dynamic_area_ptr, align 4
+  %13 = load i32* %result, align 4
+  %14 = inttoptr i32 %13 to i8*
+  store i8* %14, i8** %1
+  br label %15
+
+; <label>:15                                      ; preds = %8, %7
+  %16 = load i8** %1
+  ret i8* %16
+}
+
+attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+
+!llvm.module.flags = !{!0, !1}
+!llvm.ident = !{!2}
+
+!0 = !{i32 1, !"wchar_size", i32 4}
+!1 = !{i32 1, !"min_enum_size", i32 4}
+!2 = !{!"Ubuntu clang version 3.6.2-3ubuntu2 (tags/RELEASE_362/final) (based on LLVM 3.6.2)"}
diff --git a/car_llvmkot/src/a.out b/car_llvmkot/src/a.out
deleted file mode 100755
index 6e352e1cb28876a2d2c236b8ad6fb6e2423a3994..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

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diff --git a/car_llvmkot/src/kotlin_main.ll b/car_llvmkot/src/kotlin_main.ll
deleted file mode 100644
index eeb7eb22010..00000000000
--- a/car_llvmkot/src/kotlin_main.ll
+++ /dev/null
@@ -1,49 +0,0 @@
-declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1)
-attributes #0 = { nounwind "stack-protector-buffer-size"="8" "target-cpu"="cortex-m3" "target-features"="+hwdiv,+strict-align" }
-@CAR_MODE_REMOTE_CONTROL = global i32 1, align 4
-@CAR_MODE_LAST = global i32 2, align 4
-@CAR_MODE_PROGRAMMED = global i32 0, align 4
-declare i32 @get_mode() #0
-declare void @start_current_mode() #0
-declare void @time_init() #0
-declare void @leds_init() #0
-declare void @engine_init() #0
-declare void @run_rc_car(void ()*  %i) #0
-declare void @engine_backward() #0
-define i32 @kotlin_main() #0
-{
-%managed.i.1 = alloca i32, align 4
-store i32 0, i32* %managed.i.1, align 4
-%managed.mode.1 = alloca i32, align 4
-store i32 0, i32* %managed.mode.1, align 4
-br label %label.while.1
-label.while.1:
-%var1 = icmp slt i32 2, 3
-br i1 %var1, label %label.while.2, label %label.while.3
-label.while.2:
-%var2 = load i32* %managed.mode.1, align 4
-%var3 = load i32* @CAR_MODE_PROGRAMMED, align 4
-%var4 = icmp eq i32 %var2, %var3
-br i1 %var4, label %label.if.4, label %label.if.5
-label.if.4:
-call void @run_programmed_car(void ()* @stop_current_mode)
-br label %label.if.6
-label.if.5:
-%var5 = load i32* %managed.i.1, align 4
-store i32 1, i32* %managed.i.1, align 4
-br label %label.if.6
-label.if.6:
-br label %label.while.1
-label.while.3:
-ret i32 0
-}
-declare void @stop_current_mode() #0
-declare void @VCP_init() #0
-declare void @engine_stop() #0
-declare void @user_brn_init(void ()*  %i) #0
-declare void @set_mode(i32  %mode) #0
-declare void @engine_forward() #0
-declare void @run_programmed_car(void ()*  %i) #0
-declare void @engine_turn_left() #0
-declare void @engine_turn_right() #0
-
diff --git a/car_llvmkot/src/kotlin_main.s b/car_llvmkot/src/kotlin_main.s
deleted file mode 100644
index 6b94fe133b2..00000000000
--- a/car_llvmkot/src/kotlin_main.s
+++ /dev/null
@@ -1,49 +0,0 @@
-	.text
-	.file	"src/kotlin_main.ll"
-	.globl	test
-	.align	16, 0x90
-	.type	test,@function
-test:                                   # @test
-# BB#0:
-	leal	1(%rdi), %eax
-	movl	%edi, -4(%rsp)
-	retq
-.Lfunc_end0:
-	.size	test, .Lfunc_end0-test
-
-	.globl	kotlin_main
-	.align	16, 0x90
-	.type	kotlin_main,@function
-kotlin_main:                            # @kotlin_main
-# BB#0:
-	pushq	%rbp
-	movq	%rsp, %rbp
-	subq	$16, %rsp
-	movl	$0, -4(%rbp)
-	xorl	%edi, %edi
-	callq	test
-	movl	%eax, -8(%rbp)
-	jmp	.LBB1_1
-	.align	16, 0x90
-.LBB1_2:                                # %label.while.2
-                                        #   in Loop: Header=BB1_1 Depth=1
-	movl	-4(%rbp), %edi
-	callq	test
-	movq	%rsp, %rcx
-	leaq	-16(%rcx), %rsp
-	movl	%eax, -16(%rcx)
-.LBB1_1:                                # %label.while.1
-                                        # =>This Inner Loop Header: Depth=1
-	movl	%eax, -4(%rbp)
-	cmpl	$100, -4(%rbp)
-	jne	.LBB1_2
-# BB#3:                                 # %label.while.3
-	xorl	%eax, %eax
-	movq	%rbp, %rsp
-	popq	%rbp
-	retq
-.Lfunc_end1:
-	.size	kotlin_main, .Lfunc_end1-kotlin_main
-
-
-	.section	".note.GNU-stack","",@progbits
diff --git a/car_llvmkot/src/main.c b/car_llvmkot/src/main.c
index 33f5b13891a..c4366186c46 100644
--- a/car_llvmkot/src/main.c
+++ b/car_llvmkot/src/main.c
@@ -1,6 +1,8 @@
 #include <stddef.h>
 #include <stdbool.h>
 
+#include "memory.h"
+
 #include "car_leds.h"
 #include "car_engine.h"
 #include "time.h"
diff --git a/car_llvmkot/src/memory.h b/car_llvmkot/src/memory.h
new file mode 100644
index 00000000000..20c52941030
--- /dev/null
+++ b/car_llvmkot/src/memory.h
@@ -0,0 +1,10 @@
+#pragma once
+
+#define STATIC_AREA_SIZE 1000
+#define DYNAMIC_AREA_SIZE 1000
+
+void init_dynamic_area();
+void* malloc_static(int size);
+void* malloc_dynamic(int size);
+
+