Linux多文件驱动项目编译失败 Kernel 5.19+

[yinntian]

Xmake 版本

xmake v2.7.1+202209191332

操作系统版本和架构

Linux wl-kernel 6.0.0-rc5 #1 SMP PREEMPT_DYNAMIC Sat Sep 17 14:58:17 CST 2022 x86_64 x86_64 x86_64 GNU/Linux

描述问题

多文件编译错误
modpost 报错：文件未找到

期待的结果

编译通过

工程配置

xmake.lua

target("hello")
    add_rules("platform.linux.driver")
    set_values("linux.driver.linux-headers", "/home/luna/linux/kernel/linux-5.19.1")
    set_optimize("faster")
    add_files("src/*.c")
    set_license("GPL")

main.c

#include <linux/module.h>     /* Needed by all modules */
#include <linux/kernel.h>     /* Needed for KERN_INFO */
#include <linux/init.h>       /* Needed for the macros */

#include "greet.h"

static int __init module_load(void) {
    printk("Loading hello module...");
	greet();
    printk("hello module initialization");
    return 0;
}

static void __exit module_unload(void) {
    printk("Goodbye.");
}

module_init(module_load);
module_exit(module_unload);

///< The author -- visible when you use modinfo
MODULE_AUTHOR("Someones");

///< The description -- see modinfo
MODULE_DESCRIPTION("A simple Hello world LKM!");

///< The version of the module
MODULE_VERSION("0.1");

///< The license type -- this affects runtime behavior
MODULE_LICENSE("GPL");

greet.h

void greet(void);

greet.c

#include <linux/printk.h>
#include "greet.h"

void greet() {
    printk(KERN_INFO "greet(): howdy!\n");
}

附加信息和错误日志

luna@wl-dev22:~/linux/test$ xmake -vD
[ 20%]: cache compiling.release src/main.c
/usr/bin/gcc -c -O2 -DKBUILD_MODNAME=\"hello\" -I/home/luna/linux/kernel/linux-5.19.1/arch/x86/include -I/home/luna/linux/kernel/linux-5.19.1/arch/x86/include/generated -I/home/luna/linux/kernel/linux-5.19.1/include -I/home/luna/linux/kernel/linux-5.19.1/arch/x86/include/uapi -I/home/luna/linux/kernel/linux-5.19.1/arch/x86/include/generated/uapi -I/home/luna/linux/kernel/linux-5.19.1/include/uapi -I/home/luna/linux/kernel/linux-5.19.1/include/generated/uapi -include /home/luna/linux/kernel/linux-5.19.1/include/linux/compiler-version.h -include /home/luna/linux/kernel/linux-5.19.1/include/linux/kconfig.h -include /home/luna/linux/kernel/linux-5.19.1/include/linux/compiler_types.h -D__KERNEL__ -fmacro-prefix-map=./= -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Wno-format-security -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -fcf-protection=branch -fno-jump-tables -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mindirect-branch-cs-prefix -mfunction-return=thunk-extern -mharden-sls=all -fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation -Wno-format-overflow -Wno-address-of-packed-member -fno-allow-store-data-races -fno-reorder-blocks -fno-ipa-cp-clone -fno-partial-inlining -Wframe-larger-than=2048 -fstack-protector-strong -Werror -Wimplicit-fallthrough=5 -Wno-main -Wno-unused-but-set-variable -Wno-unused-const-variable -fno-stack-clash-protection -fzero-call-used-regs=used-gpr -mrecord-mcount -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -falign-functions=64 -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -Wcast-function-type -Wno-stringop-truncation -Wno-stringop-overflow -Wno-restrict -Wno-maybe-uninitialized -Wno-alloc-size-larger-than -fno-strict-overflow -fno-stack-check -fconserve-stack -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wno-packed-not-aligned -fsanitize=kernel-address -fasan-shadow-offset=0xdffffc0000000000 -fsanitize=bounds -fsanitize=shift -fsanitize=integer-divide-by-zero -fsanitize=bool -fsanitize=enum -fsanitize-coverage=trace-pc -fsanitize-coverage=trace-cmp -DMODULE -Wno-error -DCONFIG_X86_X32_ABI -DKBUILD_BASENAME=\"main\" -o build/.objs/hello/linux/x86_64/release/src/main.c.o src/main.c
[ 20%]: cache compiling.release src/greet.c
/usr/bin/gcc -c -O2 -DKBUILD_MODNAME=\"hello\" -I/home/luna/linux/kernel/linux-5.19.1/arch/x86/include -I/home/luna/linux/kernel/linux-5.19.1/arch/x86/include/generated -I/home/luna/linux/kernel/linux-5.19.1/include -I/home/luna/linux/kernel/linux-5.19.1/arch/x86/include/uapi -I/home/luna/linux/kernel/linux-5.19.1/arch/x86/include/generated/uapi -I/home/luna/linux/kernel/linux-5.19.1/include/uapi -I/home/luna/linux/kernel/linux-5.19.1/include/generated/uapi -include /home/luna/linux/kernel/linux-5.19.1/include/linux/compiler-version.h -include /home/luna/linux/kernel/linux-5.19.1/include/linux/kconfig.h -include /home/luna/linux/kernel/linux-5.19.1/include/linux/compiler_types.h -D__KERNEL__ -fmacro-prefix-map=./= -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Wno-format-security -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -fcf-protection=branch -fno-jump-tables -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mindirect-branch-cs-prefix -mfunction-return=thunk-extern -mharden-sls=all -fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation -Wno-format-overflow -Wno-address-of-packed-member -fno-allow-store-data-races -fno-reorder-blocks -fno-ipa-cp-clone -fno-partial-inlining -Wframe-larger-than=2048 -fstack-protector-strong -Werror -Wimplicit-fallthrough=5 -Wno-main -Wno-unused-but-set-variable -Wno-unused-const-variable -fno-stack-clash-protection -fzero-call-used-regs=used-gpr -mrecord-mcount -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -falign-functions=64 -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -Wcast-function-type -Wno-stringop-truncation -Wno-stringop-overflow -Wno-restrict -Wno-maybe-uninitialized -Wno-alloc-size-larger-than -fno-strict-overflow -fno-stack-check -fconserve-stack -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wno-packed-not-aligned -fsanitize=kernel-address -fasan-shadow-offset=0xdffffc0000000000 -fsanitize=bounds -fsanitize=shift -fsanitize=integer-divide-by-zero -fsanitize=bool -fsanitize=enum -fsanitize-coverage=trace-pc -fsanitize-coverage=trace-cmp -DMODULE -Wno-error -DCONFIG_X86_X32_ABI -DKBUILD_BASENAME=\"greet\" -o build/.objs/hello/linux/x86_64/release/src/greet.c.o src/greet.c
[ 60%]: linking.release build/linux/x86_64/release/hello.ko
/usr/bin/ld -m elf_x86_64 -r -o build/.objs/hello/linux/x86_64/release/build/linux/x86_64/release/hello.ko.o build/.objs/hello/linux/x86_64/release/src/main.c.o build/.objs/hello/linux/x86_64/release/src/greet.c.o
/home/luna/linux/kernel/linux-5.19.1/scripts/mod/modpost -m -a -o build/.objs/hello/linux/x86_64/release/build/linux/x86_64/release/Module.symvers -e -N -w -T -
build/.objs/hello/linux/x86_64/release/src/main.c.o build/.objs/hello/linux/x86_64/release/src/.greet.c.o.cmd: No such file or directory
error: @programdir/modules/private/async/runjobs.lua:256: @programdir/core/sandbox/modules/os.lua:372: execv(/home/luna/linux/kernel/linux-5.19.1/scripts/mod/modpost -m -a -o build/.objs/hello/linux/x86_64/release/build/linux/x86_64/release/Module.symvers -e -N -w -T -) failed(1)
stack traceback:
    [C]: in function 'error'
    [@programdir/core/base/os.lua:890]:
    [@programdir/core/sandbox/modules/os.lua:372]:
    [@programdir/core/sandbox/modules/os.lua:285]: in function 'vrunv'
    [@programdir/rules/platform/linux/driver/driver_modules.lua:278]: in function 'callback'
    [@programdir/modules/core/project/depend.lua:193]: in function 'on_changed'
    [@programdir/rules/platform/linux/driver/driver_modules.lua:229]: in function 'link'
    [@programdir/rules/platform/linux/driver/xmake.lua:31]: in function 'on_link'
    [@programdir/actions/build/kinds/binary.lua:88]:
    [@programdir/actions/build/kinds/binary.lua:129]: in function '_link_target'
    [@programdir/actions/build/kinds/binary.lua:157]: in function 'jobfunc'
    [@programdir/modules/private/async/runjobs.lua:232]:

stack traceback:
        [C]: in function 'error'
        @programdir/core/base/os.lua:890: in function 'os.raiselevel'
        (...tail calls...)
        @programdir/modules/private/async/runjobs.lua:256: in field 'catch'
        @programdir/core/sandbox/modules/try.lua:123: in global 'try'
        @programdir/modules/private/async/runjobs.lua:218: in upvalue 'cotask'
        @programdir/core/base/scheduler.lua:388: in function <@programdir/core/base/scheduler.lua:385>

[yinntian]

Linux社区在Kernel 5.19-rc1中更改了<module>.mod文件结构

5.19+

/home/luna/linux/test/src/main.o
/home/luna/linux/test/src/greet.o

5.19-

/home/luna/linux/test/src/main.o /home/luna/linux/test/src/greet.o

对应提交：
torvalds/linux@9413e76
torvalds/linux@22f26f2

[waruqi]

既然已经修了，这里我先关了