build: fix kernel build on different architectures

Userspace still fails to compile on non-x86!!!
This commit is contained in:
EnderIce2 2025-04-13 13:47:59 +00:00
parent 33eee9c628
commit 0735743f44
Signed by: enderice2
GPG Key ID: FEB6B8A8507BA62E
19 changed files with 618 additions and 43 deletions

251
.vscode/tasks.json vendored
View File

@ -6,6 +6,7 @@
"type": "shell",
"command": "make clean",
"isBackground": false,
"hide": false,
"group": {
"kind": "build",
"isDefault": false
@ -29,6 +30,7 @@
"type": "shell",
"command": "make build",
"isBackground": false,
"hide": false,
"group": {
"kind": "build",
"isDefault": false
@ -52,6 +54,7 @@
"type": "shell",
"command": "make qemu",
"isBackground": false,
"hide": false,
"dependsOn": [
"Build"
],
@ -78,6 +81,7 @@
"type": "shell",
"command": "make -C ../ build_bootloader",
"isBackground": false,
"hide": true,
"group": {
"kind": "build",
"isDefault": false
@ -100,6 +104,7 @@
"type": "shell",
"command": "make -C ../ build_kernel",
"isBackground": false,
"hide": true,
"dependsOn": [
"Build Bootloader"
],
@ -125,6 +130,7 @@
"type": "shell",
"command": "make -C ../ build_drivers",
"isBackground": false,
"hide": true,
"dependsOn": [
"Build Kernel"
],
@ -150,6 +156,7 @@
"type": "shell",
"command": "make -C ../ build_userspace",
"isBackground": false,
"hide": true,
"dependsOn": [
"Build Drivers"
],
@ -175,6 +182,7 @@
"type": "shell",
"command": "make -C ../ build_image",
"isBackground": false,
"hide": true,
"dependsOn": [
"Build Userspace"
],
@ -242,6 +250,249 @@
]
}
}
},
{
"label": "CI AMD64 Debug",
"type": "shell",
"command": "make __ci-amd64-debug",
"isBackground": false,
"hide": true,
"dependsOn": [
"Clean"
],
"group": {
"kind": "build",
"isDefault": false
},
"presentation": {
"reveal": "always",
"panel": "shared"
},
"options": {
"cwd": "${workspaceFolder}/../",
"shell": {
"executable": "bash",
"args": [
"-c"
]
}
}
},
{
"label": "CI AMD64 Release",
"type": "shell",
"command": "make __ci-amd64-release",
"isBackground": false,
"hide": true,
"dependsOn": [
"CI AMD64 Debug"
],
"group": {
"kind": "build",
"isDefault": false
},
"presentation": {
"reveal": "always",
"panel": "shared"
},
"options": {
"cwd": "${workspaceFolder}/../",
"shell": {
"executable": "bash",
"args": [
"-c"
]
}
}
},
{
"label": "CI i386 Debug",
"type": "shell",
"command": "make __ci-i386-debug",
"isBackground": false,
"hide": true,
"dependsOn": [
"CI AMD64 Release"
],
"group": {
"kind": "build",
"isDefault": false
},
"presentation": {
"reveal": "always",
"panel": "shared"
},
"options": {
"cwd": "${workspaceFolder}/../",
"shell": {
"executable": "bash",
"args": [
"-c"
]
}
}
},
{
"label": "CI i386 Release",
"type": "shell",
"command": "make __ci-i386-release",
"isBackground": false,
"hide": true,
"dependsOn": [
"CI i386 Debug"
],
"group": {
"kind": "build",
"isDefault": false
},
"presentation": {
"reveal": "always",
"panel": "shared"
},
"options": {
"cwd": "${workspaceFolder}/../",
"shell": {
"executable": "bash",
"args": [
"-c"
]
}
}
},
{
"label": "CI ARM Debug",
"type": "shell",
"command": "make __ci-arm-debug",
"isBackground": false,
"hide": true,
"dependsOn": [
"CI i386 Release"
],
"group": {
"kind": "build",
"isDefault": false
},
"presentation": {
"reveal": "always",
"panel": "shared"
},
"options": {
"cwd": "${workspaceFolder}/../",
"shell": {
"executable": "bash",
"args": [
"-c"
]
}
}
},
{
"label": "CI ARM Release",
"type": "shell",
"command": "make __ci-arm-release",
"isBackground": false,
"hide": true,
"dependsOn": [
"CI ARM Debug"
],
"group": {
"kind": "build",
"isDefault": false
},
"presentation": {
"reveal": "always",
"panel": "shared"
},
"options": {
"cwd": "${workspaceFolder}/../",
"shell": {
"executable": "bash",
"args": [
"-c"
]
}
}
},
{
"label": "CI AARCH64 Debug",
"type": "shell",
"command": "make __ci-aarch64-debug",
"isBackground": false,
"hide": true,
"dependsOn": [
"CI ARM Release"
],
"group": {
"kind": "build",
"isDefault": false
},
"presentation": {
"reveal": "always",
"panel": "shared"
},
"options": {
"cwd": "${workspaceFolder}/../",
"shell": {
"executable": "bash",
"args": [
"-c"
]
}
}
},
{
"label": "CI AARCH64 Release",
"type": "shell",
"command": "make __ci-aarch64-release",
"isBackground": false,
"hide": true,
"dependsOn": [
"CI AARCH64 Debug"
],
"group": {
"kind": "build",
"isDefault": false
},
"presentation": {
"reveal": "always",
"panel": "shared"
},
"options": {
"cwd": "${workspaceFolder}/../",
"shell": {
"executable": "bash",
"args": [
"-c"
]
}
}
},
{
"label": "Test CI Build",
"type": "shell",
"command": "make __ci-restore-config",
"isBackground": false,
"dependsOn": [
"CI AARCH64 Release",
"clean"
],
"group": {
"kind": "build",
"isDefault": false
},
"presentation": {
"reveal": "always",
"panel": "shared"
},
"options": {
"cwd": "${workspaceFolder}/../",
"shell": {
"executable": "bash",
"args": [
"-c"
]
}
}
}
]
}

View File

@ -122,16 +122,10 @@ namespace KernelConsole
return;
ConsoleTerminal *term = CurrentTerminal.load();
ConsoleTerminal::Blinker *blinker = &term->Blink;
ConsoleTerminal::Blinker &blinker = term->Blink;
TerminalCell *cell = term->Term->GetCell(Renderer.Cursor.X + Renderer.Cursor.Y * term->Term->GetWinsize()->ws_row);
uint32_t bgColor = cell->attr.Bright ? TermBrightColors[cell->attr.Background] : TermColors[cell->attr.Background];
Renderer.Paint(Renderer.Cursor.X, Renderer.Cursor.Y,
term->Blink.Character,
Enable ? term->Blink.Color : bgColor,
bgColor);
Renderer.Paint(Renderer.Cursor.X, Renderer.Cursor.Y, blinker.Character, Enable ? blinker.Color : bgColor, bgColor);
}
void paint_blinker_thread()

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@ -363,11 +363,11 @@ namespace Driver
driverInfo.License = (const char *)(Drv.BaseAddress + (uintptr_t)driverInfo.License);
}
for (size_t h = 0; h < (sht_symtab.sh_size / sizeof(Elf64_Sym)); h++)
for (size_t h = 0; h < (sht_symtab.sh_size / sizeof(Elf_Sym)); h++)
{
Elf64_Sym symEntry{};
uintptr_t symOffset = sht_symtab.sh_offset + (h * sizeof(Elf64_Sym));
File->Read(&symEntry, sizeof(Elf64_Sym), symOffset);
Elf_Sym symEntry{};
uintptr_t symOffset = sht_symtab.sh_offset + (h * sizeof(Elf_Sym));
File->Read(&symEntry, sizeof(Elf_Sym), symOffset);
if (symEntry.st_name == 0)
continue;
@ -477,10 +477,10 @@ namespace Driver
{
AssertReturnError(relaSize != nullptr, -ENOEXEC);
Elf64_Rela *rela = (Elf64_Rela *)(Drv.BaseAddress + dyn->d_un.d_ptr);
for (size_t i = 0; i < (relaSize->d_un.d_val / sizeof(Elf64_Rela)); i++)
Elf_Rela *rela = (Elf_Rela *)(Drv.BaseAddress + dyn->d_un.d_ptr);
for (size_t i = 0; i < (relaSize->d_un.d_val / sizeof(Elf_Rela)); i++)
{
Elf64_Rela *r = &rela[i];
Elf_Rela *r = &rela[i];
uintptr_t *reloc = (uintptr_t *)(Drv.BaseAddress + r->r_offset);
uintptr_t relocTarget = 0;
@ -500,8 +500,7 @@ namespace Driver
}
default:
{
fixme("Unhandled relocation type: %#lx",
ELF64_R_TYPE(r->r_info));
fixme("Unhandled relocation type: %#lx", ELF_R_TYPE(r->r_info));
break;
}
}
@ -517,24 +516,24 @@ namespace Driver
{
AssertReturnError(pltrelSize != nullptr, -ENOEXEC);
std::vector<Elf64_Dyn> symtab = Execute::ELFGetDynamicTag(File, DT_SYMTAB);
Elf64_Sym *symbols = (Elf64_Sym *)((uintptr_t)Drv.BaseAddress + symtab[0].d_un.d_ptr);
std::vector<Elf_Dyn> symtab = Execute::ELFGetDynamicTag(File, DT_SYMTAB);
Elf_Sym *symbols = (Elf_Sym *)((uintptr_t)Drv.BaseAddress + symtab[0].d_un.d_ptr);
std::vector<Elf64_Dyn> StrTab = Execute::ELFGetDynamicTag(File, DT_STRTAB);
std::vector<Elf_Dyn> StrTab = Execute::ELFGetDynamicTag(File, DT_STRTAB);
char *dynStr = (char *)((uintptr_t)Drv.BaseAddress + StrTab[0].d_un.d_ptr);
Elf64_Rela *rela = (Elf64_Rela *)(Drv.BaseAddress + dyn->d_un.d_ptr);
for (size_t i = 0; i < (pltrelSize->d_un.d_val / sizeof(Elf64_Rela)); i++)
Elf_Rela *rela = (Elf_Rela *)(Drv.BaseAddress + dyn->d_un.d_ptr);
for (size_t i = 0; i < (pltrelSize->d_un.d_val / sizeof(Elf_Rela)); i++)
{
Elf64_Rela *r = &rela[i];
Elf_Rela *r = &rela[i];
uintptr_t *reloc = (uintptr_t *)(Drv.BaseAddress + r->r_offset);
switch (ELF64_R_TYPE(r->r_info))
switch (ELF_R_TYPE(r->r_info))
{
case R_X86_64_JUMP_SLOT:
{
Elf64_Xword symIndex = ELF64_R_SYM(r->r_info);
Elf64_Sym *sym = symbols + symIndex;
Elf_Xword symIndex = ELF_R_SYM(r->r_info);
Elf_Sym *sym = symbols + symIndex;
const char *symName = dynStr + sym->st_name;
debug("Resolving symbol %s", symName);
@ -544,8 +543,7 @@ namespace Driver
}
default:
{
fixme("Unhandled relocation type: %#lx",
ELF64_R_TYPE(r->r_info));
fixme("Unhandled relocation type: %#lx", ELF_R_TYPE(r->r_info));
break;
}
}

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@ -1,4 +1,4 @@
const char *trusted_drivers[] = {
"ae08d2e120c8370278ca9e17085a6b9e2f4a470ab6cec824c77ab1f8706c7144f5d4e1c9820914ed4fc7a4fd22de4b18bfed7c3b5d9c1e604e82280d7d45a5c7",
"66ff6a13e27cfee4b37e153fbdeeabb2de44f2a6a4d7f929f0b48d05a08b44c8c543f15c6cee05b5392166088f5ba260db5a64476d150ce81b295e4aa5a85d32",
};
const __SIZE_TYPE__ trusted_drivers_count = sizeof(trusted_drivers) / sizeof(trusted_drivers[0]);

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@ -65,9 +65,9 @@ namespace Execute
uintptr_t *relPtr = (uintptr_t *)(((uintptr_t)BaseImage + target->sh_offset) + rel->r_offset);
uintptr_t value = 0;
if (ELF64_R_SYM(rel->r_info) != SHN_UNDEF)
if (ELF_R_SYM(rel->r_info) != SHN_UNDEF)
{
value = ELFGetSymbolValue(((Elf_Ehdr *)BaseImage), section->sh_link, ELF64_R_SYM(rel->r_info));
value = ELFGetSymbolValue(((Elf_Ehdr *)BaseImage), section->sh_link, ELF_R_SYM(rel->r_info));
if (value == (uintptr_t)-1)
return;
}

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@ -327,6 +327,7 @@ enum DynamicArrayTags
#define ELF32_ST_BIND(info) ((info) >> 4)
#define ELF32_ST_TYPE(info) ((info) & 0xf)
#define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf))
#define ELF64_ST_BIND(info) ((info) >> 4)
#define ELF64_ST_TYPE(info) ((info) & 0xf)
#define ELF64_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf))
@ -956,7 +957,7 @@ typedef struct
char pr_psargs[ELF_PRARGSZ];
} Elf64_Prpsinfo;
#if defined(__amd64__) || defined(__aarch64__)
#ifdef __LP64__
typedef Elf64_Addr Elf_Addr;
typedef Elf64_Half Elf_Half;
typedef Elf64_Off Elf_Off;
@ -973,7 +974,16 @@ typedef Elf64_Rela Elf_Rela;
typedef Elf64_Nhdr Elf_Nhdr;
typedef Elf64_Prstatus Elf_Prstatus;
typedef Elf64_Prpsinfo Elf_Prpsinfo;
#elif defined(__i386__) || defined(__arm__)
typedef Elf64_Xword Elf_Xword;
#define ELF_ST_BIND(info) ELF64_ST_BIND(info)
#define ELF_ST_TYPE(info) ELF64_ST_TYPE(info)
#define ELF_ST_INFO(bind, type) ELF64_ST_INFO(bind, type)
#define ELF_ST_VISIBILITY(o) ELF64_ST_VISIBILITY(o)
#define ELF_R_SYM(i) ELF64_R_SYM(i)
#define ELF_R_TYPE(i) ELF64_R_TYPE(i)
#define ELF_R_INFO(s, t) ELF64_R_INFO(s, t)
#else
typedef Elf32_Addr Elf_Addr;
typedef Elf32_Half Elf_Half;
typedef Elf32_Off Elf_Off;
@ -990,6 +1000,15 @@ typedef Elf32_Rela Elf_Rela;
typedef Elf32_Nhdr Elf_Nhdr;
typedef Elf32_Prstatus Elf_Prstatus;
typedef Elf32_Prpsinfo Elf_Prpsinfo;
typedef Elf32_Word Elf_Xword;
#define ELF_ST_BIND(info) ELF32_ST_BIND(info)
#define ELF_ST_TYPE(info) ELF32_ST_TYPE(info)
#define ELF_ST_INFO(bind, type) ELF32_ST_INFO(bind, type)
#define ELF_ST_VISIBILITY(o) ELF32_ST_VISIBILITY(o)
#define ELF_R_SYM(i) ELF32_R_SYM(i)
#define ELF_R_TYPE(i) ELF32_R_TYPE(i)
#define ELF_R_INFO(s, t) ELF32_R_INFO(s, t)
#endif
#endif // !__FENNIX_KERNEL_ELF_H__

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@ -46,7 +46,9 @@ namespace vfs
if (FileSystemRoots->Children[Index] == nullptr)
FileSystemRoots->Children[Index] = Root;
else
{
debug("Root %ld already exists", Index);
}
}
bool Virtual::SetRootAt(Inode *Root, size_t Index)

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@ -42,6 +42,18 @@ namespace Subsystem::Linux
FileNode *mnt = fs->ForceCreate(linux, "mnt", 0755);
FileNode *opt = fs->ForceCreate(linux, "opt", 0755);
FileNode *proc = fs->ForceCreate(linux, "proc", 0755);
UNUSED(bin);
UNUSED(boot);
UNUSED(dev);
UNUSED(etc);
UNUSED(home);
UNUSED(lib);
UNUSED(lib64);
UNUSED(media);
UNUSED(mnt);
UNUSED(opt);
UNUSED(proc);
}
}
}

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@ -36,6 +36,12 @@ namespace Subsystem::Windows
FileNode *programFilesX86 = fs->ForceCreate(windows, "Program Files (x86)", 0755);
FileNode *programData = fs->ForceCreate(windows, "ProgramData", 0755);
FileNode *users = fs->ForceCreate(windows, "Users", 0755);
UNUSED(windows);
UNUSED(programFiles);
UNUSED(programFilesX86);
UNUSED(programData);
UNUSED(users);
}
}
}

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@ -168,53 +168,82 @@ __ci-build-set-debug:
ci-setup:
$(MAKE) --quiet -C tools ci
ci-build:
# Prepare
$(MAKE) prepare
$(MAKE) mkdir_rootfs
$(MAKE) --quiet -C tools do_limine
# amd64
__ci-amd64-debug:
$(MAKE) __ci-build-set-debug
sed -i 's/.*OSARCH = .*/OSARCH = amd64/' ./config.mk && cat config.mk | grep OSARCH
$(MAKE) build
mv Fennix.iso Fennix-amd64-debug.iso
$(MAKE) clean
__ci-amd64-release:
$(MAKE) __ci-build-set-release
sed -i 's/.*OSARCH = .*/OSARCH = amd64/' ./config.mk && cat config.mk | grep OSARCH
$(MAKE) build
mv Fennix.iso Fennix-amd64-release.iso
$(MAKE) clean
# i386
__ci-i386-debug:
$(MAKE) __ci-build-set-debug
sed -i 's/.*OSARCH = .*/OSARCH = i386/' ./config.mk && cat config.mk | grep OSARCH
$(MAKE) build
mv Fennix.iso Fennix-i386-debug.iso
$(MAKE) clean
__ci-i386-release:
$(MAKE) __ci-build-set-release
sed -i 's/.*OSARCH = .*/OSARCH = i386/' ./config.mk && cat config.mk | grep OSARCH
$(MAKE) build
mv Fennix.iso Fennix-i386-release.iso
$(MAKE) clean
# ARM
__ci-arm-debug:
$(MAKE) __ci-build-set-debug
sed -i 's/.*OSARCH = .*/OSARCH = arm/' ./config.mk && cat config.mk | grep OSARCH
$(MAKE) build
mv Fennix.iso Fennix-arm-debug.iso
$(MAKE) clean
__ci-arm-release:
$(MAKE) __ci-build-set-release
sed -i 's/.*OSARCH = .*/OSARCH = arm/' ./config.mk && cat config.mk | grep OSARCH
$(MAKE) build
mv Fennix.iso Fennix-arm-release.iso
$(MAKE) clean
# AArch64
__ci-aarch64-debug:
$(MAKE) __ci-build-set-debug
sed -i 's/.*OSARCH = .*/OSARCH = aarch64/' ./config.mk && cat config.mk | grep OSARCH
$(MAKE) build
mv Fennix.iso Fennix-aarch64-debug.iso
$(MAKE) clean
__ci-aarch64-release:
$(MAKE) __ci-build-set-release
sed -i 's/.*OSARCH = .*/OSARCH = aarch64/' ./config.mk && cat config.mk | grep OSARCH
$(MAKE) build
mv Fennix.iso Fennix-aarch64-release.iso
$(MAKE) clean
# Restore original config
__ci-restore-config:
$(MAKE) __ci-build-set-debug
sed -i 's/.*OSARCH = .*/OSARCH = amd64/' ./config.mk && cat config.mk | grep OSARCH
ci-build:
# Prepare
$(MAKE) prepare
$(MAKE) mkdir_rootfs
$(MAKE) --quiet -C tools do_limine
$(MAKE) clean
$(MAKE) __ci-amd64-debug
$(MAKE) __ci-amd64-release
$(MAKE) __ci-i386-debug
$(MAKE) __ci-i386-release
$(MAKE) __ci-arm-debug
$(MAKE) __ci-arm-release
$(MAKE) __ci-aarch64-debug
$(MAKE) __ci-aarch64-release
$(MAKE) __ci-restore-config
# Move all files to artifacts directory
mkdir -p artifacts
$(MAKE) changelog

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@ -0,0 +1,34 @@
cmake_minimum_required(VERSION 3.10)
project(FennixRuntime_${TARGET_OS}_${TARGET_ARCH})
find_program(COMPILER_PATH NAMES $ENV{CC} gcc REQUIRED)
set(LIB_OUTPUT_DIR "${CMAKE_INSTALL_PREFIX}/lib")
file(MAKE_DIRECTORY ${LIB_OUTPUT_DIR})
add_custom_target(copy_crt_files ALL
COMMAND ${COMPILER_PATH} -print-file-name=libgcc.a | xargs cp -t ${LIB_OUTPUT_DIR}
COMMAND ${COMPILER_PATH} -print-file-name=crtbegin.o | xargs cp -t ${LIB_OUTPUT_DIR}
COMMAND ${COMPILER_PATH} -print-file-name=crtend.o | xargs cp -t ${LIB_OUTPUT_DIR}
COMMAND ${COMPILER_PATH} -print-file-name=crti.o | xargs cp -t ${LIB_OUTPUT_DIR}
COMMAND ${COMPILER_PATH} -print-file-name=crtn.o | xargs cp -t ${LIB_OUTPUT_DIR}
COMMENT "Copying CRT files"
)
file(GLOB CRT_SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/*.c")
set(OBJECT_FILES "")
foreach(source ${CRT_SOURCES})
get_filename_component(name ${source} NAME_WE)
set(obj "${CMAKE_BINARY_DIR}/${name}.o")
add_custom_command(
OUTPUT ${obj}
COMMAND ${COMPILER_PATH} -c ${source} -o ${obj}
DEPENDS ${source}
)
list(APPEND OBJECT_FILES ${obj})
endforeach()
if(OBJECT_FILES)
add_custom_target(crt_objects ALL DEPENDS ${OBJECT_FILES})
install(FILES ${OBJECT_FILES} DESTINATION lib)
endif()

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@ -0,0 +1 @@
#include "crt1.c"

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@ -0,0 +1,53 @@
/*
This file is part of Fennix C Library.
Fennix C Library is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix C Library. If not, see <https://www.gnu.org/licenses/>.
*/
__attribute__((naked, used, no_stack_protector, section(".text"))) void _start()
{
#warning "crt1.c: _start() is not implemented yet"
}
/* These are declared in GNU ld */
enum
{
NT_FNX_ABI_TAG = 1,
NT_FNX_VERSION = 2,
NT_FNX_BUILD_ID = 3,
NT_FNX_ARCH = 4
};
typedef struct Elf_Nhdr
{
__UINT32_TYPE__ n_namesz;
__UINT32_TYPE__ n_descsz;
__UINT32_TYPE__ n_type;
char n_name[];
} __attribute__((packed)) Elf_Nhdr;
const struct
{
Elf_Nhdr header;
char name[4];
__UINT32_TYPE__ desc[4];
} __abi_tag __attribute__((used, aligned(4), section(".note.ABI-tag"))) = {
.header = {
.n_namesz = 4, /* "FNX" + '\0' */
.n_descsz = sizeof(__UINT32_TYPE__) * 4, /* Description Size */
.n_type = NT_FNX_ABI_TAG, /* Type */
},
.name = "FNX",
.desc = {0, 0, 0, 0},
};

View File

@ -0,0 +1,34 @@
cmake_minimum_required(VERSION 3.10)
project(FennixRuntime_${TARGET_OS}_${TARGET_ARCH})
find_program(COMPILER_PATH NAMES $ENV{CC} gcc REQUIRED)
set(LIB_OUTPUT_DIR "${CMAKE_INSTALL_PREFIX}/lib")
file(MAKE_DIRECTORY ${LIB_OUTPUT_DIR})
add_custom_target(copy_crt_files ALL
COMMAND ${COMPILER_PATH} -print-file-name=libgcc.a | xargs cp -t ${LIB_OUTPUT_DIR}
COMMAND ${COMPILER_PATH} -print-file-name=crtbegin.o | xargs cp -t ${LIB_OUTPUT_DIR}
COMMAND ${COMPILER_PATH} -print-file-name=crtend.o | xargs cp -t ${LIB_OUTPUT_DIR}
COMMAND ${COMPILER_PATH} -print-file-name=crti.o | xargs cp -t ${LIB_OUTPUT_DIR}
COMMAND ${COMPILER_PATH} -print-file-name=crtn.o | xargs cp -t ${LIB_OUTPUT_DIR}
COMMENT "Copying CRT files"
)
file(GLOB CRT_SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/*.c")
set(OBJECT_FILES "")
foreach(source ${CRT_SOURCES})
get_filename_component(name ${source} NAME_WE)
set(obj "${CMAKE_BINARY_DIR}/${name}.o")
add_custom_command(
OUTPUT ${obj}
COMMAND ${COMPILER_PATH} -c ${source} -o ${obj}
DEPENDS ${source}
)
list(APPEND OBJECT_FILES ${obj})
endforeach()
if(OBJECT_FILES)
add_custom_target(crt_objects ALL DEPENDS ${OBJECT_FILES})
install(FILES ${OBJECT_FILES} DESTINATION lib)
endif()

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#include "crt1.c"

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/*
This file is part of Fennix C Library.
Fennix C Library is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix C Library. If not, see <https://www.gnu.org/licenses/>.
*/
__attribute__((naked, used, no_stack_protector, section(".text"))) void _start()
{
#warning "crt1.c: _start() is not implemented yet"
}
/* These are declared in GNU ld */
enum
{
NT_FNX_ABI_TAG = 1,
NT_FNX_VERSION = 2,
NT_FNX_BUILD_ID = 3,
NT_FNX_ARCH = 4
};
typedef struct Elf_Nhdr
{
__UINT32_TYPE__ n_namesz;
__UINT32_TYPE__ n_descsz;
__UINT32_TYPE__ n_type;
char n_name[];
} __attribute__((packed)) Elf_Nhdr;
const struct
{
Elf_Nhdr header;
char name[4];
__UINT32_TYPE__ desc[4];
} __abi_tag __attribute__((used, aligned(4), section(".note.ABI-tag"))) = {
.header = {
.n_namesz = 4, /* "FNX" + '\0' */
.n_descsz = sizeof(__UINT32_TYPE__) * 4, /* Description Size */
.n_type = NT_FNX_ABI_TAG, /* Type */
},
.name = "FNX",
.desc = {0, 0, 0, 0},
};

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cmake_minimum_required(VERSION 3.10)
project(FennixRuntime_${TARGET_OS}_${TARGET_ARCH})
find_program(COMPILER_PATH NAMES $ENV{CC} gcc REQUIRED)
set(LIB_OUTPUT_DIR "${CMAKE_INSTALL_PREFIX}/lib")
file(MAKE_DIRECTORY ${LIB_OUTPUT_DIR})
add_custom_target(copy_crt_files ALL
COMMAND ${COMPILER_PATH} -print-file-name=libgcc.a | xargs cp -t ${LIB_OUTPUT_DIR}
COMMAND ${COMPILER_PATH} -print-file-name=crtbegin.o | xargs cp -t ${LIB_OUTPUT_DIR}
COMMAND ${COMPILER_PATH} -print-file-name=crtend.o | xargs cp -t ${LIB_OUTPUT_DIR}
COMMAND ${COMPILER_PATH} -print-file-name=crti.o | xargs cp -t ${LIB_OUTPUT_DIR}
COMMAND ${COMPILER_PATH} -print-file-name=crtn.o | xargs cp -t ${LIB_OUTPUT_DIR}
COMMENT "Copying CRT files"
)
file(GLOB CRT_SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/*.c")
set(OBJECT_FILES "")
foreach(source ${CRT_SOURCES})
get_filename_component(name ${source} NAME_WE)
set(obj "${CMAKE_BINARY_DIR}/${name}.o")
add_custom_command(
OUTPUT ${obj}
COMMAND ${COMPILER_PATH} -c ${source} -o ${obj}
DEPENDS ${source}
)
list(APPEND OBJECT_FILES ${obj})
endforeach()
if(OBJECT_FILES)
add_custom_target(crt_objects ALL DEPENDS ${OBJECT_FILES})
install(FILES ${OBJECT_FILES} DESTINATION lib)
endif()

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#include "crt1.c"

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/*
This file is part of Fennix C Library.
Fennix C Library is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix C Library. If not, see <https://www.gnu.org/licenses/>.
*/
__attribute__((naked, used, no_stack_protector, section(".text"))) void _start()
{
#warning "crt1.c: _start() is not implemented yet"
}
/* These are declared in GNU ld */
enum
{
NT_FNX_ABI_TAG = 1,
NT_FNX_VERSION = 2,
NT_FNX_BUILD_ID = 3,
NT_FNX_ARCH = 4
};
typedef struct Elf_Nhdr
{
__UINT32_TYPE__ n_namesz;
__UINT32_TYPE__ n_descsz;
__UINT32_TYPE__ n_type;
char n_name[];
} __attribute__((packed)) Elf_Nhdr;
const struct
{
Elf_Nhdr header;
char name[4];
__UINT32_TYPE__ desc[4];
} __abi_tag __attribute__((used, aligned(4), section(".note.ABI-tag"))) = {
.header = {
.n_namesz = 4, /* "FNX" + '\0' */
.n_descsz = sizeof(__UINT32_TYPE__) * 4, /* Description Size */
.n_type = NT_FNX_ABI_TAG, /* Type */
},
.name = "FNX",
.desc = {0, 0, 0, 0},
};