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Merge remote-tracking branch 'Userspace/master'

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EnderIce2
2024-11-20 05:02:06 +02:00
parent c43e8d7b03 961ddd0bd8
commit ad09129401
104 changed files with 11117 additions and 1 deletions
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41
Userspace/libc/runtime/Makefile Normal file
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# Config file
include ../../../Makefile.conf
CC = ../../../$(COMPILER_PATH)/$(COMPILER_ARCH)gcc
AS = ../../../$(COMPILER_PATH)/$(COMPILER_ARCH)as
NASM = /usr/bin/nasm
C_SOURCES = $(shell find ./ -type f -name '*.c')
S_SOURCES = $(shell find ./ -type f -name '*.S')
ASM_SOURCES = $(shell find ./ -type f -name '*.asm')
OBJ = ${C_SOURCES:.c=.o} ${ASM_SOURCES:.asm=.o} ${S_SOURCES:.S=.o}
ifeq ($(OSARCH), amd64)
ASM_ARCH := elf64
else ifeq ($(OSARCH), i386)
ASM_ARCH := elf32
endif
CRTBEGIN_PATH = $(shell $(CC) -print-file-name=crtbegin.o)
CRTEND_PATH = $(shell $(CC) -print-file-name=crtend.o)
CRTI_PATH = $(shell $(CC) -print-file-name=crti.o)
CRTN_PATH = $(shell $(CC) -print-file-name=crtn.o)
build: $(OBJ)
mv $^ ../../out/lib/
cp $(CRTBEGIN_PATH) $(CRTEND_PATH) $(CRTI_PATH) $(CRTN_PATH) ../../out/lib/
%.o: %.c
$(info Compiling $<)
$(CC) -nostdlib -mno-red-zone -std=c17 -c $< -o $@
%.o: %.asm
$(info Compiling $<)
$(NASM) $< -f $(ASM_ARCH) -o $@
%.o: %.S
$(info Compiling $<)
$(AS) -c $< -o $@
clean:

21
Userspace/libc/runtime/crt0.c Normal file
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// https://wiki.osdev.org/Creating_a_C_Library
#define asm __asm__ __volatile__
__attribute__((naked, used, no_stack_protector, section(".text"))) void _start()
{
asm("movq $0, %rbp\n");
asm("pushq %rbp\n");
asm("pushq %rbp\n");
asm("movq %rsp, %rbp\n");
asm("pushq %rcx\n"
"pushq %rdx\n"
"pushq %rsi\n"
"pushq %rdi\n");
asm("call __libc_init\n");
asm("popq %rdi\n"
"popq %rsi\n"
"popq %rdx\n"
"popq %rcx\n");
asm("call main\n");
asm("movl %eax, %edi\n");
asm("call _exit\n");
}

21
Userspace/libc/runtime/crt1.c Normal file
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// https://wiki.osdev.org/Creating_a_C_Library
#define asm __asm__ __volatile__
__attribute__((naked, used, no_stack_protector, section(".text"))) void _start()
{
asm("movq $0, %rbp\n");
asm("pushq %rbp\n");
asm("pushq %rbp\n");
asm("movq %rsp, %rbp\n");
asm("pushq %rcx\n"
"pushq %rdx\n"
"pushq %rsi\n"
"pushq %rdi\n");
asm("call __libc_init\n");
asm("popq %rdi\n"
"popq %rsi\n"
"popq %rdx\n"
"popq %rcx\n");
asm("call main\n");
asm("movl %eax, %edi\n");
asm("call _exit\n");
}