修改为gcc5.4.1版本

.vscode/launch.json

@@ -45,8 +45,8 @@
             "cwd": "${fileDirname}",
             "environment": [],
             "externalConsole": false,
-            // "miDebuggerPath": "/opt/homebrew/bin/arm-none-eabi-gdb",
-            "miDebuggerPath": "/Users/zhangzheng/gcc-arm-none-eabi-10.3-2021.10/bin/arm-none-eabi-gdb",
+            "miDebuggerPath": "/opt/homebrew/bin/arm-none-eabi-gdb",
+            // "miDebuggerPath": "/home/zhangzheng/mkrtos-tools/gcc/gcc-arm-none-eabi-5_4-2016q3/bin/arm-none-eabi-gdb",
             // "miDebuggerPath": "/home/zhangzheng/gcc-arm-none-eabi-5_4-2016q3/bin/arm-none-eabi-gdb",
             "miDebuggerServerAddress": "127.0.0.1:3333",
             "MIMode": "gdb",

mkrtos_configs/STM32F205_defconfig

@@ -4,7 +4,7 @@
 #
 CONFIG_KNL_INFO=y
 CONFIG_KNL_TEXT_ADDR=0x8000000
-CONFIG_KNL_TEXT_SIZE=0x100000
+CONFIG_KNL_TEXT_SIZE=0x800000
 CONFIG_KNL_DATA_ADDR=0x20000000
 CONFIG_KNL_DATA_SIZE=0x800000
 CONFIG_KNL_OFFSET=0x2000
@@ -109,5 +109,6 @@ CONFIG_RT_USING_PIN=y
 
 CONFIG_CPU_TYPE="stm32f2"
 CONFIG_RTT_DIR="./"
+CONFIG_FLOAT_TYPE="soft"
 CONFIG_ARCH="cortex-m3"
 CONFIG_BOARD_NAME="STM32F205"

mkrtos_img/CMakeLists.txt

@@ -27,6 +27,6 @@ add_dependencies(mkrtos_img_dump
     # app_dump
     shell_dump
     # fatfs_dump
-    # cpiofs_dump
+    cpiofs_dump
     # tcc_dump
 )

mkrtos_script/build_f2.sh

@@ -2,8 +2,10 @@
 
 # export TOOLCHAIN=/home/zhangzheng/mkrtos-tools/gcc/gcc-arm-none-eabi-5_4-2016q3/bin/
 # export TOOLCHAIN_LIB=/home/zhangzheng/mkrtos-tools/gcc/gcc-arm-none-eabi-5_4-2016q3/lib/gcc/arm-none-eabi/5.4.1/armv7-m/
-export TOOLCHAIN=/Users/zhangzheng/gcc-arm-none-eabi-10.3-2021.10/bin/
-export TOOLCHAIN_LIB=/Users/zhangzheng/gcc-arm-none-eabi-10.3-2021.10/lib/gcc/arm-none-eabi/10.3.1/thumb/v7-m/nofp
+# export TOOLCHAIN=/opt/homebrew/bin/
+# export TOOLCHAIN_LIB=/opt/homebrew/lib/gcc/arm-none-eabi/13.2.0/
+export TOOLCHAIN=/Users/zhangzheng/Downloads/gcc-arm-none-eabi-5_4-2016q3/bin/
+export TOOLCHAIN_LIB=/Users/zhangzheng/Downloads/gcc-arm-none-eabi-5_4-2016q3/lib/gcc/arm-none-eabi/5.4.1/armv7-m/
 export BOARD=STM32F205
 
 set -e

mkrtos_user/lib/CMakeLists.txt

@@ -13,10 +13,13 @@ add_subdirectory(modbus)
 add_subdirectory(stm32f1_bsp)
 add_subdirectory(libc_backend)
 add_subdirectory(mlibc)
+add_subdirectory(mlibc_shared)
+add_subdirectory(ldso_shared)
 add_subdirectory(cpio)
 add_subdirectory(util)
 add_subdirectory(mr)
 add_subdirectory(lwip)
 add_subdirectory(printf)
+add_subdirectory(so_lib)
 add_subdirectory(letter-shell/demo/mkrtos)
 # add_subdirectory(at_device)

mkrtos_user/lib/ldso_shared/CMakeLists.txt

@@ -0,0 +1,47 @@
+cmake_minimum_required(VERSION 3.13)
+
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wl,-e,_dlstart -w -D_XOPEN_SOURCE=700 ")
+set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -w -D_XOPEN_SOURCE=700 ")
+
+file(GLOB deps
+../mlibc/ldso/*.c
+)
+
+add_library(ld SHARED ${deps})
+target_link_libraries(
+    ld
+    PUBLIC
+    libc_be
+    muslc
+)
+set_target_properties(ld PROPERTIES LINK_FLAGS "-z max-page-size=0x8  -z common-page-size=0x8 \
+ -T ${CMAKE_CURRENT_LIST_DIR}/link.lds \
+-pie")
+target_include_directories(
+    ld
+    BEFORE
+    PUBLIC
+    # ${CMAKE_SOURCE_DIR}/user/libc/backend
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/sys_svr/inc
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/arch/arm/
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/arch/generic
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/obj/src/internal
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/src/include
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/src/internal
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/obj/include
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/include
+)
+
+add_custom_target(
+    ld_dump ALL
+    ${CMAKE_OBJDUMP} -s -S libld.so > ${CMAKE_SOURCE_DIR}/build/output/libld.S
+    COMMAND
+    ${CMAKE_STRIP} libld.so
+    COMMAND
+    ${CMAKE_SIZE} libld.so
+    COMMAND
+    cp libld.so ${CMAKE_SOURCE_DIR}/build/output/cpio/
+)
+add_dependencies(ld_dump ld)
+
+

mkrtos_user/lib/ldso_shared/link.lds

@@ -0,0 +1,121 @@
+ENTRY(_start_)
+PHDRS {
+    mk_text PT_LOAD;
+    mk_data PT_LOAD;
+}
+SECTIONS
+{
+    .text : {
+        . = ALIGN(4);
+        __text_start__ = .;
+        KEEP(*(.first))
+        *(.text)
+        *(.text.*)
+
+        KEEP(*(.init))
+        KEEP(*(.fini))
+
+        /* .ctors */
+        *crtbegin.o(.ctors)
+        *crtbegin?.o(.ctors)
+        *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
+        *(SORT(.ctors.*))
+        *(.ctors)
+
+        /* .dtors */
+        *crtbegin.o(.dtors)
+        *crtbegin?.o(.dtors)
+        *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
+        *(SORT(.dtors.*))
+        *(.dtors)
+
+        *(SORT(.rodata.*))
+        *(.rodata)
+
+        KEEP(*(.eh_frame*))
+
+        . = ALIGN(4);
+        __rel_start__ = .;
+        *(.rel.data .rel.data.* .rel.plt .rel.gnu.linkonce.d.*)
+        __rel_end__ = .;
+    } :mk_text
+
+    .permissions_table : {
+        . = ALIGN(4);
+        __permissions_table_start__ = .;
+        KEEP(*(.permissions_table))
+        __permissions_table_end__ = .;
+    } :mk_text
+    .rel.plt : {
+        . = ALIGN(4);
+        *(.rel.plt)
+    } :mk_text
+   
+    PROVIDE(__ram_size__ = __bss_end__ - __data_start__);
+    .data : {
+        . = ALIGN(4);
+        __data_start__ = .;
+        
+        . = ALIGN(4);
+        *(.data)
+        *(.data.*)
+    
+        *(vtable)
+        *(.data*)
+    
+        . = ALIGN(4);
+        /* preinit data */
+        PROVIDE_HIDDEN (__preinit_array_start = .);
+        KEEP(*(.preinit_array))
+        PROVIDE_HIDDEN (__preinit_array_end = .);
+    
+        . = ALIGN(4);
+        /* init data */
+        PROVIDE_HIDDEN (__init_array_start = .);
+        KEEP(*(SORT(.init_array.*)))
+        KEEP(*(.init_array))
+        PROVIDE_HIDDEN (__init_array_end = .);
+    
+        . = ALIGN(4);
+        /* finit data */
+        PROVIDE_HIDDEN (__fini_array_start = .);
+        KEEP(*(SORT(.fini_array.*)))
+        KEEP(*(.fini_array))
+        PROVIDE_HIDDEN (__fini_array_end = .);
+    
+        . = ALIGN(4);
+        /* All data end */
+        __data_end__ = .;
+    } :mk_data
+    .got : {
+        __got_start__ = .;
+        *(.got)
+        __got_end__ = .;
+    } :mk_data
+
+    PROVIDE(__heap_size__ = __heap_end__ - __heap_start__);
+    PROVIDE(__stack_size__ = __stack_end__ - __stack_start__);
+    .bss : {
+        . = ALIGN(4);
+        /* This is used by the startup in order to initialize the .bss secion */
+        __bss_start__ = .;
+        *(.bss)
+        *(COMMON)
+    
+        . = ALIGN(4);
+        __heap_start__ = .;
+        KEEP(*(.bss.heap))
+        __heap_end__ = .;
+    
+        . = ALIGN(4);
+        __stack_start__ = .;
+        KEEP(*(.bss.stack))
+        __stack_end__ = .;
+    
+        *(.bss.*)
+        /* This is used by the startup in order to initialize the .bss secion */
+        . = ALIGN(4);
+        __bss_end__ = .;
+    } :mk_data
+    _end = .;
+}

mkrtos_user/lib/letter-shell/demo/mkrtos/shell_fs_ext.c

@@ -16,6 +16,7 @@ int ls(int argc, char *agrv[])
     DIR *dir;
     struct dirent *ptr;
     int i;
+
     if (argc < 2)
     {
         return -1;
@@ -26,6 +27,7 @@ int ls(int argc, char *agrv[])
     {
         return 0;
     }
+
     while ((ptr = readdir(dir)) != NULL)
     {
         printf("%s \n", ptr->d_name);

mkrtos_user/lib/mlibc/ldso/dynlink.c

@@ -1168,7 +1168,11 @@ static void *dl_mmap(size_t n)
 	p = (void *)be_mmap2(0, n, prot, flags, -1, 0);
 #endif
 #else
+#ifdef NO_LITTLE_MODE
 	p = (void *)__syscall(SYS_mmap, 0, n, prot, flags, -1, 0);
+#else
+	p = (void *)be_mmap2(0, n, prot, flags, -1, 0);
+#endif
 #endif
 	return (unsigned long)p > -4096UL ? 0 : p;
 }

mkrtos_user/lib/mlibc/src/fenv/arm/fenv.c

@@ -1,3 +0,0 @@
-#if !__ARM_PCS_VFP
-#include "../fenv.c"
-#endif

mkrtos_user/lib/mlibc/src/fenv/fenv.c

@@ -1,38 +0,0 @@
-#include <fenv.h>
-
-/* Dummy functions for archs lacking fenv implementation */
-
-int feclearexcept(int mask)
-{
-	return 0;
-}
-
-int feraiseexcept(int mask)
-{
-	return 0;
-}
-
-int fetestexcept(int mask)
-{
-	return 0;
-}
-
-int fegetround(void)
-{
-	return FE_TONEAREST;
-}
-
-int __fesetround(int r)
-{
-	return 0;
-}
-
-int fegetenv(fenv_t *envp)
-{
-	return 0;
-}
-
-int fesetenv(const fenv_t *envp)
-{
-	return 0;
-}

mkrtos_user/lib/mlibc/src/fenv/fesetround.c

@@ -3,7 +3,7 @@
 
 /* __fesetround wrapper for arch independent argument check */
 
-hidden int __fesetround(int);
+weak hidden int __fesetround(int);
 
 int fesetround(int r)
 {

mkrtos_user/lib/mlibc/src/fenv/fetestexcept.c

@@ -0,0 +1,34 @@
+
+
+void fetestexcept(void)
+{
+
+}
+void feraiseexcept(void)
+{
+
+}
+void __a_gettp_cp15(void)
+{
+
+}
+void fegetround(void)
+{
+
+}
+void fesetenv(void)
+{
+
+}
+void fegetenv(void)
+{
+
+}
+void feclearexcept(void)
+{
+
+}
+void __a_cas_dummy(void)
+{
+    
+}

mkrtos_user/lib/mlibc/src/ldso/arm/dlsym.s

@@ -1,8 +0,0 @@
-.syntax unified
-.text
-.global dlsym
-.hidden __dlsym
-.type dlsym,%function
-dlsym:
-	mov r2,lr
-	b __dlsym

mkrtos_user/lib/mlibc/src/ldso/arm/dlsym_time64.S

@@ -1,3 +0,0 @@
-#define __dlsym __dlsym_redir_time64
-#define dlsym __dlsym_time64
-#include "dlsym.s"

mkrtos_user/lib/mlibc/src/ldso/tlsdesc.c

@@ -1,9 +0,0 @@
-#include <stddef.h>
-#include <dynlink.h>
-
-ptrdiff_t __tlsdesc_static()
-{
-	return 0;
-}
-
-weak_alias(__tlsdesc_static, __tlsdesc_dynamic);

mkrtos_user/lib/mlibc/src/math/arm/fabs.c

@@ -10,6 +10,6 @@ double fabs(double x)
 
 #else
 
-#include "../fabs.c"
+#include "../fabs.cx"
 
 #endif

mkrtos_user/lib/mlibc/src/math/arm/fabsf.c

@@ -10,6 +10,6 @@ float fabsf(float x)
 
 #else
 
-#include "../fabsf.c"
+#include "../fabsf.cx"
 
 #endif

mkrtos_user/lib/mlibc/src/math/arm/fma.c

@@ -10,6 +10,6 @@ double fma(double x, double y, double z)
 
 #else
 
-#include "../fma.c"
+#include "../fma.cx"
 
 #endif

mkrtos_user/lib/mlibc/src/math/arm/fmaf.c

@@ -10,6 +10,6 @@ float fmaf(float x, float y, float z)
 
 #else
 
-#include "../fmaf.c"
+#include "../fmaf.cx"
 
 #endif

mkrtos_user/lib/mlibc/src/math/arm/sqrt.c

@@ -10,6 +10,6 @@ double sqrt(double x)
 
 #else
 
-#include "../sqrt.c"
+#include "../sqrt.cx"
 
 #endif

mkrtos_user/lib/mlibc/src/math/arm/sqrtf.c

@@ -10,6 +10,6 @@ float sqrtf(float x)
 
 #else
 
-#include "../sqrtf.c"
+#include "../sqrtf.cx"
 
 #endif

mkrtos_user/lib/mlibc/src/process/arm/vfork.s

@@ -1,10 +0,0 @@
-.syntax unified
-.global vfork
-.type vfork,%function
-vfork:
-	mov ip, r7
-	mov r7, 190
-	svc 0
-	mov r7, ip
-	.hidden __syscall_ret
-	b __syscall_ret

mkrtos_user/lib/mlibc/src/signal/arm/restore.s

@@ -1,15 +0,0 @@
-.syntax unified
-
-.global __restore
-.hidden __restore
-.type __restore,%function
-__restore:
-	mov r7,#119
-	swi 0x0
-
-.global __restore_rt
-.hidden __restore_rt
-.type __restore_rt,%function
-__restore_rt:
-	mov r7,#173
-	swi 0x0

mkrtos_user/lib/mlibc/src/thread/arm/__unmapself.s

@@ -1,9 +0,0 @@
-.syntax unified
-.text
-.global __unmapself
-.type   __unmapself,%function
-__unmapself:
-	mov r7,#91
-	svc 0
-	mov r7,#1
-	svc 0

mkrtos_user/lib/mlibc/src/thread/arm/atomics.s

@@ -1,25 +1,22 @@
-@ .syntax unified
-@ .text
-
-@ .global __a_barrier_dummy
-@ .hidden __a_barrier_dummy
-@ .type __a_barrier_dummy,%function
-@ __a_barrier_dummy:
-@ 	bx lr
-
-@ .global __a_barrier_oldkuser
-@ .hidden __a_barrier_oldkuser
-@ .type __a_barrier_oldkuser,%function
-@ __a_barrier_oldkuser:
-@ 	push {r0,r1,r2,r3,ip,lr}
-@ 	mov r1,r0
-@ 	mov r2,sp
-@ 	ldr ip,=0xffff0fc0
-@ 	bl 1f
-@ 	pop {r0,r1,r2,r3,ip,lr}
-@ 	bx lr
-@ 1:	bx ip
-
+.syntax unified
+.text
+.global __a_barrier_dummy
+.hidden __a_barrier_dummy
+.type __a_barrier_dummy,%function
+__a_barrier_dummy:
+	bx lr
+.global __a_barrier_oldkuser
+.hidden __a_barrier_oldkuser
+.type __a_barrier_oldkuser,%function
+__a_barrier_oldkuser:
+	push {r0,r1,r2,r3,ip,lr}
+	mov r1,r0
+	mov r2,sp
+	ldr ip,=0xffff0fc0
+	bl 1f
+	pop {r0,r1,r2,r3,ip,lr}
+	bx lr
+1:	bx ip
 @ .global __a_barrier_v6
 @ .hidden __a_barrier_v6
 @ .type __a_barrier_v6,%function
@@ -27,7 +24,6 @@
 @ 	.arch armv6t2
 @ 	mcr p15,0,r0,c7,c10,5
 @ 	bx lr
-
 @ .global __a_barrier_v7
 @ .hidden __a_barrier_v7
 @ .type __a_barrier_v7,%function
@@ -35,7 +31,6 @@
 @ 	.arch armv7-a
 @ 	dmb ish
 @ 	bx lr
-
 @ .global __a_cas_dummy
 @ .hidden __a_cas_dummy
 @ .type __a_cas_dummy,%function
@@ -45,7 +40,6 @@
 @ 	subs r0,r3,r0
 @ 	streq r1,[r2]
 @ 	bx lr
-
 @ .global __a_cas_v6
 @ .hidden __a_cas_v6
 @ .type __a_cas_v6,%function
@@ -60,7 +54,6 @@
 @ 	beq 1b
 @ 	mcr p15,0,r0,c7,c10,5
 @ 	bx lr
-
 @ .global __a_cas_v7
 @ .hidden __a_cas_v7
 @ .type __a_cas_v7,%function
@@ -75,32 +68,26 @@
 @ 	beq 1b
 @ 	dmb ish
 @ 	bx lr
-
 @ .global __a_gettp_cp15
 @ .hidden __a_gettp_cp15
 @ .type __a_gettp_cp15,%function
 @ __a_gettp_cp15:
 @ 	mrc p15,0,r0,c13,c0,3
 @ 	bx lr
-
-@ /* Tag this file with minimum ISA level so as not to affect linking. */
-@ .object_arch armv4t
-@ .eabi_attribute 6,2
-
-@ .data
-@ .align 2
-
-@ .global __a_barrier_ptr
-@ .hidden __a_barrier_ptr
-@ __a_barrier_ptr:
-@ 	.word __a_barrier_dummy
-
-@ .global __a_cas_ptr
-@ .hidden __a_cas_ptr
-@ __a_cas_ptr:
-@ 	.word __a_cas_dummy
-
-@ .global __a_gettp_ptr
-@ .hidden __a_gettp_ptr
-@ __a_gettp_ptr:
-@ 	.word __a_gettp_cp15
+/* Tag this file with minimum ISA level so as not to affect linking. */
+.object_arch armv4t
+.eabi_attribute 6,2
+.data
+.align 2
+.global __a_barrier_ptr
+.hidden __a_barrier_ptr
+__a_barrier_ptr:
+	.word __a_barrier_dummy
+.global __a_cas_ptr
+.hidden __a_cas_ptr
+__a_cas_ptr:
+	.word __a_cas_dummy
+.global __a_gettp_ptr
+.hidden __a_gettp_ptr
+__a_gettp_ptr:
+	.word __a_gettp_cp15

mkrtos_user/lib/mlibc_shared/CMakeLists.txt

@@ -0,0 +1,58 @@
+cmake_minimum_required(VERSION 3.13)
+
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wl,-e,_dlstart -w -D_XOPEN_SOURCE=700 ")
+set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -w -D_XOPEN_SOURCE=700 ")
+
+file(GLOB_RECURSE deps
+../mlibc/src/*.C
+../mlibc/src/*.c
+../mlibc/src/*.S
+../mlibc/src/*.s 
+# ../mlibc/crt/*.c
+# ../mlibc/crt/*.C
+# ../mlibc/crt/*.S
+# ../mlibc/crt/*.s
+../mlibc/ldso/*.c
+)
+# list(REMOVE_ITEM deps ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/crt/start_init.S)
+# list(REMOVE_ITEM deps ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/crt/start.S)
+# list(REMOVE_ITEM deps ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/crt/start_tiny.S)
+# list(REMOVE_ITEM deps ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/ldso/dlstart.c)
+# list(REMOVE_ITEM deps ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/ldso/dynlink.c)
+# list(REMOVE_ITEM deps ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/crt/rcrt1.c)
+# list(REMOVE_ITEM deps ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/src/fcntl/posix_fadvise.c)
+# list(REMOVE_ITEM deps ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/src/math/fabs.c)
+# list(REMOVE_ITEM deps ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/src/math/fabsf.c)
+# list(REMOVE_ITEM deps ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/src/math/fabsf.c)
+# list(REMOVE_ITEM deps ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/src/math/fma.c)
+# list(REMOVE_ITEM deps ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/src/math/fmaf.c)
+# list(REMOVE_ITEM deps ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/src/math/sqrt.c)
+# list(REMOVE_ITEM deps ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/src/math/sqrtf.c)
+# list(REMOVE_ITEM deps ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/src/ldso/arm/dlsym.s)
+
+# add_library(start_init ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/crt/start_init.S)
+# add_library(start ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/crt/start.S)
+# add_library(start_tiny ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/crt/start_tiny.S)
+add_library(c SHARED ${deps})
+target_link_libraries(
+    c
+    PUBLIC
+    libc_be
+    sys_svr
+    ${GCC_LIB_PATH}/libgcc.a
+)
+set_target_properties(c PROPERTIES LINK_FLAGS "-pie ")
+target_include_directories(
+    c
+    BEFORE
+    PUBLIC
+    # ${CMAKE_SOURCE_DIR}/user/libc/backend
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/sys_svr/inc
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/arch/arm/
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/arch/generic
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/obj/src/internal
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/src/include
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/src/internal
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/obj/include
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/include
+)

mkrtos_user/lib/so_lib/CMakeLists.txt

@@ -0,0 +1,39 @@
+cmake_minimum_required(VERSION 3.13)
+
+
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --shared " )
+set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} ")
+
+file(GLOB_RECURSE deps  *.c *.S)
+add_library(
+    so_list
+    SHARED
+    ${deps}
+)
+target_include_directories(
+    so_list
+    PUBLIC
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/so_list/inc
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/sys/inc
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/cpio
+
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/arch/arm/
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/arch/generic
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/obj/src/internal
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/src/include
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/src/internal
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/obj/include
+    ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/mlibc/include
+)
+target_link_libraries(
+    so_list
+    PUBLIC
+    sys
+    muslc
+    cpio
+)
+set_target_properties(so_list PROPERTIES LINK_FLAGS "-pie ")
+add_dependencies(so_list sys)
+add_dependencies(so_list muslc)
+
+

mkrtos_user/lib/so_lib/src/test.c

@@ -0,0 +1,7 @@
+
+int a = 1234;
+
+int i(int b)
+{
+    return a;
+}

mkrtos_user/lib/sys_util/src/u_app_loader.c

@@ -104,7 +104,22 @@ static void *app_stack_push_array(obj_handler_t task_obj, umword_t **stack, uint
 
     return *stack;
 }
+#include <elf.h>
+typedef struct exec_app_info {
+    mword_t data_size;
+    mword_t entry;
+    mword_t stack_offset;
+} exec_app_info_t;
+int app_elf_load(void *data)
+{
+    Elf32_Ehdr *ehdr = data;
 
+    if (!(ehdr->e_ident[0] == 'E' && ehdr->e_ident[1] == 'L' && ehdr->e_ident[2] == 'F')) {
+        return -1;
+    }
+
+    return 0;
+}
 /**
  * @brief 加载并执行一个app
  *

mkrtos_user/server/hello/CMakeLists.txt

@@ -2,9 +2,7 @@ cmake_minimum_required(VERSION 3.13)
 
 file(GLOB_RECURSE deps *.c *.S)
 
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DUSE_STDPERIPH_DRIVER=1 \
-")
-
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DUSE_STDPERIPH_DRIVER=1 ")
 
 add_executable(hello.elf
     ${deps}
@@ -12,12 +10,17 @@ add_executable(hello.elf
 target_link_libraries(hello.elf
     PUBLIC
     start_tiny
-    printf
-    muslc
+    # printf
     sys
     sys_util
     sys_svr
     ${GCC_LIB_PATH}/libgcc.a
+
+)
+target_link_libraries(hello.elf
+    PUBLIC
+    -Bdynamic
+    c
 )
 target_include_directories(
     hello.elf
@@ -40,12 +43,9 @@ target_include_directories(
 
     ${CMAKE_SOURCE_DIR}/mkrtos_user/lib/printf/src/printf
 )
-add_dependencies(hello.elf
-muslc
-printf
-)
 set_target_properties(hello.elf PROPERTIES LINK_FLAGS
-"-T ${CMAKE_CURRENT_LIST_DIR}/link.lds -pie --gc-section -no-dynamic-linker "
+"-z max-page-size=0x8 -z common-page-size=0x8 \
+ -T ${CMAKE_CURRENT_LIST_DIR}/link.lds -pie --gc-section -no-dynamic-linker "
 #--no-warn-rwx-segments
 )
 add_custom_target(
@@ -55,6 +55,8 @@ add_custom_target(
     COMMAND
     ${CMAKE_READELF} -a hello.elf > ${CMAKE_SOURCE_DIR}/build/output/hello.txt
     COMMAND
+    ${CMAKE_STRIP} hello.elf
+    COMMAND
     ${CMAKE_OBJCOPY} -O binary -S hello.elf hello.bin
     COMMAND
     ${CMAKE_SIZE} hello.elf
@@ -67,10 +69,10 @@ add_custom_target(
 )
 
 add_dependencies(hello_dump hello.elf)
-add_dependencies(hello_dump sys)
-add_dependencies(hello_dump sys_util)
-add_dependencies(hello_dump mr)
-add_dependencies(hello_dump sys_svr)
-add_dependencies(hello_dump start)
-add_dependencies(hello_dump muslc)
+add_dependencies(hello.elf sys)
+add_dependencies(hello.elf sys_util)
+add_dependencies(hello.elf mr)
+add_dependencies(hello.elf sys_svr)
+add_dependencies(hello.elf start)
+add_dependencies(hello.elf c)
  

mkrtos_user/server/hello/link.lds

@@ -1,5 +1,8 @@
 ENTRY(_start_)
-
+PHDRS {
+    mk_text PT_LOAD;
+    mk_data PT_LOAD;
+}
 SECTIONS
 {
     .text : {
@@ -33,32 +36,26 @@ SECTIONS
 
         . = ALIGN(4);
         __rel_start__ = .;
-        *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*)
+        *(.rel.data .rel.data.* .rel.plt .rel.gnu.linkonce.d.*)
         __rel_end__ = .;
-    }
-    .ARM.exidx : {
-        . = ALIGN(4);
-        __exdix_start = .;
-        *(.ARM.exidx* .gnu.linkonce.armexidx.*)
-        /* This is used by the startup in order to initialize the .data secion */
-        __exdix_end = .;
-    }
+    } :mk_text
 
     .permissions_table : {
         . = ALIGN(4);
         __permissions_table_start__ = .;
         KEEP(*(.permissions_table))
         __permissions_table_end__ = .;
-    }
-
-
+    } :mk_text
+    .rel.plt : {
+        . = ALIGN(4);
+        *(.rel.plt)
+    } :mk_text
+   
     PROVIDE(__ram_size__ = __bss_end__ - __data_start__);
     .data : {
         . = ALIGN(4);
         __data_start__ = .;
-        __got_start__ = .;
-        *(.got)
-        __got_end__ = .;
+        
         . = ALIGN(4);
         *(.data)
         *(.data.*)
@@ -89,7 +86,12 @@ SECTIONS
         . = ALIGN(4);
         /* All data end */
         __data_end__ = .;
-    }
+    } :mk_data
+    .got : {
+        __got_start__ = .;
+        *(.got)
+        __got_end__ = .;
+    } :mk_data
 
     PROVIDE(__heap_size__ = __heap_end__ - __heap_start__);
     PROVIDE(__stack_size__ = __stack_end__ - __stack_start__);
@@ -114,6 +116,6 @@ SECTIONS
         /* This is used by the startup in order to initialize the .bss secion */
         . = ALIGN(4);
         __bss_end__ = .;
-    }
+    } :mk_data
     _end = .;
 }

mkrtos_user/server/hello/src/main.c

@@ -1,22 +1,34 @@
 
-#include <printf.h>
 #include <unistd.h>
+#include <stdio.h>
 int main(int argc, char *args[])
 {
-    mk_printf("print test0.\n");
-    mk_printf("print test1.\n");
-    mk_printf("print test2.\n");
+    printf("print test0.\n");
+    printf("print test1.\n");
+    printf("print test2.\n");
+    printf("print test2.\n");
+    printf("print test2.\n");
+    printf("print test2.\n");
+    printf("print test2.\n");
+    printf("print test2.\n");
+    printf("print test2.\n");
+    printf("print test2.\n");
+    printf("print test2.\n");
+    printf("print test2.\n");
+    printf("print test2.\n");
+    printf("print test2.\n");
+    printf("print test2.\n");
     float a = 1.1;
     float b = 1.2;
     float c;
-
+    // fprintf(stdout, "123");
     while (1)
     {
-        c = a + b;
-        // mk_printf("%c %d %f\n", 'a', 1234, 1.1);
+        // c = a + b;
+        printf("%c %d %f\n", 'a', 1234, 1.1);
         // mk_printf("%c %d %lf\n", 'a', 1234, a * b);
-        mk_printf("%c %d %d\n", 'a', 1234, (int)1.1);
-        mk_printf("%c %d %d\n", 'a', 1234, (int)(a * b));
+        // mk_printf("%c %d %d\n", 'a', 1234, (int)1.1);
+        // mk_printf("%c %d %d\n", 'a', 1234, (int)(a * b));
         sleep(1);
     }
     return 0;

mkrtos_user/server/init/src/heap_stack.c

@@ -8,8 +8,8 @@
  * @copyright Copyright (c) 2023
  *
  */
-#define HEAP_SIZE 1024
-#define STACK_SIZE (1024 + 256)
+#define HEAP_SIZE 2048
+#define STACK_SIZE (1024 + 512)
 
 #if defined(__CC_ARM)
 #define HEAP_ATTR SECTION("HEAP") __attribute__((zero_init))

setting.cmake

@@ -28,7 +28,7 @@ message(=======${CONFIG_CPU_TYPE})
 # -mfloat-abi=soft  -u _printf_float   -lc -lrdimon
 #-mfpu=fpv5-sp-d16
 set(CMAKE_C_FLAGS "-mcpu=${CONFIG_ARCH} -O0 -g3 -mfloat-abi=${CONFIG_FLOAT_TYPE}  -mthumb -mno-thumb-interwork -D=MKRTOS \
--std=gnu11 -ffunction-sections -fdata-sections -fno-builtin -u _printf_float \
+-std=gnu11 -ffunction-sections -fdata-sections -fno-builtin -u=_printf_float \
 -nostartfiles -nodefaultlibs -nostdlib -nostdinc -Xlinker  \
 -fno-stack-protector -Wl,--gc-sections \
 -include ${CMAKE_SOURCE_DIR}/build/autoconf.h \
@@ -36,13 +36,13 @@ set(CMAKE_C_FLAGS "-mcpu=${CONFIG_ARCH} -O0 -g3 -mfloat-abi=${CONFIG_FLOAT_TYPE}
 
 set(CMAKE_CXX_FLAGS "-mcpu=${CONFIG_ARCH} -O2 -g3 -mfloat-abi=${CONFIG_FLOAT_TYPE} -mthumb -mno-thumb-interwork -D=MKRTOS -std=c++11 \
 -fmessage-length=0 -Xlinker --print-map -Wall -W -fno-stack-protector -g \ 
- -u _printf_float \
+ -u=_printf_float \
 -ffunction-sections -fdata-sections -fno-builtin -nostartfiles -nodefaultlibs -nostdlib -nostdinc -Xlinker \
 -include ${CMAKE_SOURCE_DIR}/build/autoconf.h \
 " CACHE STRING "" FORCE)
 
 set(CMAKE_ASM_FLAGS "-mcpu=${CONFIG_ARCH} -O2 -g3 -mfloat-abi=${CONFIG_FLOAT_TYPE} -mthumb -mno-thumb-interwork -D=MKRTOS \
--u _printf_float -std=gnu11 -ffunction-sections -fdata-sections -fno-builtin \
+-u=_printf_float -std=gnu11 -ffunction-sections -fdata-sections -fno-builtin \
 -nostartfiles -nodefaultlibs -nostdlib -nostdinc -Xlinker  -fno-stack-protector \
 -include ${CMAKE_SOURCE_DIR}/build/autoconf.h \
 " CACHE STRING "" FORCE)