Strange behaviour of ld saving vma and lma infos into elf

/* Entry Point */
ENTRY(main)

/* Specify the memory areas */
MEMORY
{
  FLASH (rx)      : ORIGIN = 0x08000000, LENGTH = 128K
  RAM (xrw)      : ORIGIN = 0x20000000, LENGTH = 32K
}

/* Define output sections */
SECTIONS
{
  /* The program code and other data goes into FLASH */
  .text :
  {
    . = ALIGN(4);
    *(.text)           /* .text sections (code) */
    *(.text*)          /* .text* sections (code) */
    *(.glue_7)         /* glue arm to thumb code */
    *(.glue_7t)        /* glue thumb to arm code */
    *(.eh_frame)

    KEEP (*(.init))
    KEEP (*(.fini))

    . = ALIGN(4);
    _etext = .;        /* define a global symbols at end of code */
  } >FLASH

  /* Constant data goes into FLASH */
  .rodata :
  {
    . = ALIGN(4);
    *(.rodata)         /* .rodata sections (constants, strings, etc.) */
    *(.rodata*)        /* .rodata* sections (constants, strings, etc.) */
    . = ALIGN(4);
  } >FLASH

  .ARM.extab   : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
  .ARM : {
    __exidx_start = .;
    *(.ARM.exidx*)
    __exidx_end = .;
  } >FLASH

  /* Initialized data sections goes into RAM, load LMA copy after code */
  .data : 
  {
    . = ALIGN(4);
    *(.data*)          /* .data* sections */

    . = ALIGN(4);
  } >RAM AT> FLASH
  
  /* Uninitialized data section */
  .bss :
  {
    . = ALIGN(4);
    *(.bss*)
    *(COMMON)

    . = ALIGN(4);
  } >RAM

  /* Remove information from the standard libraries */
  /DISCARD/ :
  {
    libc.a ( * )
    libm.a ( * )
    libgcc.a ( * )
  }

  .ARM.attributes 0 : { *(.ARM.attributes) }  
}

  .data : 
  {
    . = ALIGN(4);
    *(.data*)          /* .data* sections */

    . = ALIGN(4);
  } >RAM AT> FLASH
  
  /* Uninitialized data section */
  .bss :
  {
    . = ALIGN(4);
    *(.bss*)
    *(COMMON)

    . = ALIGN(4);
  } >RAM

static int g_my_global_bss;
static int g_my_global_data = 37;
const int g_my_global_rodata = 45;
int main(void)
{
    g_my_global_bss = g_my_global_data + g_my_global_rodata;
    return 0;
}

all: main.elf

CFLAGS = \
	-std=gnu11 \
	-mcpu=cortex-m4 \
	-mthumb \
	-specs=nano.specs \
	-O0 \
	-Wall \
	-ffunction-sections \
	-fdata-sections \
	-c \
	-Werror

LDFLGS =  \
	-mcpu=cortex-m4 \
	-mthumb \
	-specs=nano.specs \
	-Wl,--gc-sections \
	-Wl,--print-memory-usage

LD_SCRIPT = STM32F410RBTx_FLASH.ld

CC = arm-none-eabi-gcc

main.elf: main.o
	$(CC) $(LDFLGS) -T$(LD_SCRIPT) -Wl,--cref,-Map=$(@:.elf=.map) -o $@ $^

main.o: main.c
	$(CC) $(CFLAGS) -o $@ $< 

.PHONY: clean

clean:
	rm *.o *.elf *.map

Memory region         Used Size  Region Size  %age Used
	   FLASH:          64 B       128 KB      0.05%
	     RAM:           8 B        32 KB      0.02%

max@jarvis:~/Dropbox/test_mem$ arm-none-eabi-size -G main.elf
      text       data        bss      total filename
	60          4          4         68 main.elf

max@jarvis:~/Dropbox/test_mem$ arm-none-eabi-objdump -h main.elf

main.elf:     file format elf32-littlearm

Sections:
Idx Name          Size      VMA       LMA       File off  Algn
  0 .text         0000003c  08000000  08000000  00010000  2**2
		  CONTENTS, ALLOC, LOAD, READONLY, CODE
  1 .rodata       00000000  0800003c  0800003c  00020004  2**0
		  CONTENTS, ALLOC, LOAD, DATA
  2 .data         00000004  20000000  0800003c  00020000  2**2
		  CONTENTS, ALLOC, LOAD, DATA
  3 .bss          00000004  20000004  08000040  00020004  2**2
		  ALLOC
  4 .ARM.attributes 0000002a  00000000  00000000  00020004  2**0
		  CONTENTS, READONLY
  5 .comment      00000079  00000000  00000000  0002002e  2**0
		  CONTENTS, READONLY

Idx Name          Size      VMA       LMA       File off  Algn
  0 .text         0000003c  08000000  08000000  00010000  2**2
  2 .data         00000004  20000000  0800003c  00020000  2**2
  3 .bss          00000004  20000004  08000040  00020004  2**2