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-flto

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This commit is contained in:
Edward Emelianov
2023-01-11 21:19:18 +03:00
parent a5e420ac51
commit e98aa11f72
29 changed files with 54 additions and 46 deletions
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4
F3:F303/floatPrintf/Makefile
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@@ -60,7 +60,7 @@ LIB_DIR := $(INC_DIR)/ld
CFLAGS += -g -gdwarf-2 # debuggin symbols in listing
CFLAGS += -O2 -D__thumb2__=1 -MD
CFLAGS += -Wall -Werror -Wextra -Wshadow
CFLAGS += -fshort-enums -ffunction-sections -fdata-sections
CFLAGS += -fshort-enums -ffunction-sections -fdata-sections -flto
#CFLAGS += -fno-common -ffunction-sections -fdata-sections -fno-stack-protector
CFLAGS += $(ARCH_FLAGS)
@@ -68,7 +68,7 @@ CFLAGS += $(ARCH_FLAGS)
# Linker flags
#LDFLAGS += -nostartfiles --static -nostdlib -specs=nosys.specs -specs=nano.specs
LDFLAGS += $(ARCH_FLAGS)
LDFLAGS += -specs=nano.specs -specs=nosys.specs
LDFLAGS += -specs=nano.specs -flto
LDFLAGS += -L$(LIB_DIR)
#-L$(TOOLCHLIB)
LDFLAGS += -T$(LDSCRIPT)

BIN
F3:F303/floatPrintf/usart1.bin
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4
F3:F303/inc/startup/vector.c
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@@ -798,7 +798,7 @@ typedef struct {
extern unsigned _stack;
vector_table_t vector_table __attribute__ ((section(".vector_table"))) = {
vector_table_t vector_table __attribute__ ((used, section(".vector_table"))) = {
.initial_sp_value = &_stack,
.reset = reset_handler,
.nmi = nmi_handler,
@@ -831,7 +831,7 @@ void WEAK __attribute__ ((naked)) __attribute__ ((noreturn)) reset_handler(void)
char *src = &_ldata;
// enable 8-byte stack alignment to comply with AAPCS
SCB->CCR |= 0x00000200;
// SCB->CCR |= 0x00000200;
/* FPU settings ------------------------------------------------------------*/
#if (__FPU_PRESENT == 1)