add c++ support for the bsp of stm32

3 files changed, 24 insertions, 1 deletions

diff --git a/bsp/stm32/stm32f767-atk-apollo/SConstruct b/bsp/stm32/stm32f767-atk-apollo/SConstruct
index dd77b5c1d3..ca0f33d692 100644
--- a/bsp/stm32/stm32f767-atk-apollo/SConstruct
+++ b/bsp/stm32/stm32f767-atk-apollo/SConstruct
@@ -21,6 +21,7 @@ env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
     CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
     AR = rtconfig.AR, ARFLAGS = '-rc',
+    CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
     LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
 env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
 
diff --git a/bsp/stm32/stm32f767-atk-apollo/board/linker_scripts/link.lds b/bsp/stm32/stm32f767-atk-apollo/board/linker_scripts/link.lds
index c6fe92740e..50169db320 100644
--- a/bsp/stm32/stm32f767-atk-apollo/board/linker_scripts/link.lds
+++ b/bsp/stm32/stm32f767-atk-apollo/board/linker_scripts/link.lds
@@ -47,6 +47,14 @@ SECTIONS
         __rt_init_end = .;
 
         . = ALIGN(4);
+
+        PROVIDE(__ctors_start__ = .);
+        KEEP (*(SORT(.init_array.*)))
+        KEEP (*(.init_array))
+        PROVIDE(__ctors_end__ = .);
+
+        . = ALIGN(4);
+
         _etext = .;
     } > ROM = 0
 
@@ -73,6 +81,11 @@ SECTIONS
         *(.data.*)
         *(.gnu.linkonce.d*)
 
+        PROVIDE(__dtors_start__ = .);
+        KEEP(*(SORT(.dtors.*)))
+        KEEP(*(.dtors))
+        PROVIDE(__dtors_end__ = .);
+
         . = ALIGN(4);
         /* This is used by the startup in order to initialize the .data secion */
         _edata = . ;
diff --git a/bsp/stm32/stm32f767-atk-apollo/rtconfig.py b/bsp/stm32/stm32f767-atk-apollo/rtconfig.py
index 11cbdba8c4..251d8168e7 100644
--- a/bsp/stm32/stm32f767-atk-apollo/rtconfig.py
+++ b/bsp/stm32/stm32f767-atk-apollo/rtconfig.py
@@ -44,7 +44,7 @@ if PLATFORM == 'gcc':
     OBJCPY = PREFIX + 'objcopy'
 
     DEVICE = ' -mcpu=cortex-m7 -mthumb -mfpu=fpv5-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections'
-    CFLAGS = DEVICE + ' -std=c99 -Dgcc'
+    CFLAGS = DEVICE + ' -Dgcc'
     AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '
     LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rt-thread.map,-cref,-u,Reset_Handler -T board/linker_scripts/link.lds'
 
@@ -57,11 +57,15 @@ if PLATFORM == 'gcc':
     else:
         CFLAGS += ' -O2'
 
+    CXXFLAGS = CFLAGS 
+    CFLAGS += ' -std=c99'
+
     POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
 
 elif PLATFORM == 'armcc':
     # toolchains
     CC = 'armcc'
+    CXX = 'armcc'
     AS = 'armasm'
     AR = 'armar'
     LINK = 'armlink'
@@ -86,11 +90,14 @@ elif PLATFORM == 'armcc':
         CFLAGS += ' -O2'
 
     CXXFLAGS = CFLAGS
+    CFLAGS += ' -std=c99'
+    
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
 elif PLATFORM == 'iar':
     # toolchains
     CC = 'iccarm'
+    CXX = 'iccarm'
     AS = 'iasmarm'
     AR = 'iarchive'
     LINK = 'ilinkarm'
@@ -131,5 +138,7 @@ elif PLATFORM == 'iar':
     LFLAGS = ' --config "board/linker_scripts/link.icf"'
     LFLAGS += ' --entry __iar_program_start'
 
+    CXXFLAGS = CFLAGS
+
     EXEC_PATH = EXEC_PATH + '/arm/bin/'
     POST_ACTION = 'ielftool --bin $TARGET rtthread.bin'
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