Link with libgcc for AEABI functions.

openmv · Feb 13, 2019 · 7833adc · 7833adc
1 parent 6f71875
commit 7833adc
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Showing 3 changed files with 8 additions and 3 deletions.
diff --git a/src/Makefile b/src/Makefile
@@ -77,7 +77,7 @@ endif
 
 # Compiler Flags
 include $(OMV_BOARD_CONFIG_DIR)/omv_boardconfig.mk
-CFLAGS += -std=gnu99 -Wall -Werror -Warray-bounds -mthumb -nostartfiles -mabi=aapcs-linux -fdata-sections -ffunction-sections
+CFLAGS += -std=gnu99 -Wall -Werror -Warray-bounds -mthumb -nostartfiles -fdata-sections -ffunction-sections
 CFLAGS += -D$(MCU) -D$(CFLAGS_MCU) -D$(ARM_MATH) -DARM_MATH_DSP -DARM_NN_TRUNCATE\
           -fsingle-precision-constant -Wdouble-promotion -mcpu=$(CPU) -mtune=$(CPU) -mfpu=$(FPU) -mfloat-abi=hard
 CFLAGS += -D__FPU_PRESENT=1 -D__VFP_FP__ -DUSE_USB_FS -DUSE_DEVICE_MODE -DUSE_USB_OTG_ID=0 -DHSE_VALUE=12000000\
@@ -496,7 +496,7 @@ FIRMWARE_OBJS:
 # This target generates the main/app firmware image located at 0x08010000
 $(FIRMWARE): FIRMWARE_OBJS
 	$(CPP) -P -E -I$(OMV_BOARD_CONFIG_DIR) $(OMV_DIR)/stm32fxxx.ld.S > $(BUILD)/stm32fxxx.lds
-	$(CC) $(LDFLAGS) $(FIRM_OBJ) -o $(FW_DIR)/$(FIRMWARE).elf
+	$(CC) $(LDFLAGS) $(FIRM_OBJ) -o $(FW_DIR)/$(FIRMWARE).elf -lgcc
 	$(OBJCOPY) -Obinary $(FW_DIR)/$(FIRMWARE).elf $(FW_DIR)/$(FIRMWARE).bin
 	$(PYTHON) $(MKDFU) -b $(MAIN_APP_ADDR):$(FW_DIR)/$(FIRMWARE).bin $(FW_DIR)/$(FIRMWARE).dfu
 

diff --git a/src/micropython b/src/micropython
diff --git a/src/omv/stm32fxxx.ld.S b/src/omv/stm32fxxx.ld.S
@@ -70,6 +70,11 @@ SECTIONS
     _etext = .;         // define a global symbols at end of code
   } >FLASH_TEXT
 
+  .ARM.exidx :
+  {
+      *(.ARM.exidx*)
+  } > FLASH_TEXT
+
   /* used by the startup to initialize data */
   _sidata = .;