array.c

#include <stdio.h>

int main(int argc, char *argv[]) {
    static char arr[40] = "this is a string referenced by an array";
    printf("arr = %s; sizeof arr = %ld\n", arr, sizeof arr);
    return 0;
}

array.S

	.section	__TEXT,__text,regular,pure_instructions
	.macosx_version_min 10, 10
	.globl	_main
_main:                                  ## @main
	.cfi_startproc
## BB#0:
	pushq	%rbp
Ltmp0:
	.cfi_def_cfa_offset 16
Ltmp1:
	.cfi_offset %rbp, -16
	movq	%rsp, %rbp
Ltmp2:
	.cfi_def_cfa_register %rbp
	leaq	L_.str(%rip), %rdi
	leaq	_main.arr(%rip), %rsi
	movl	$40, %edx
	xorl	%eax, %eax
	callq	_printf
	xorl	%eax, %eax
	popq	%rbp
	retq
	.cfi_endproc

	.section	__DATA,__data
	.align	4                       ## @main.arr
_main.arr:
	.asciz	"this is a string referenced by an array"

	.section	__TEXT,__cstring,cstring_literals
L_.str:                                 ## @.str
	.asciz	"arr = %s; sizeof arr = %ld\n"


.subsections_via_symbols

pointer.c

#include <stdio.h>

int main(int argc, char *argv[]) {
    char *ptr = "this is a string referenced by a pointer";
    printf("ptr = %s; sizeof ptr = %ld\n", ptr, sizeof ptr);
    return 0;
}

pointer.S

	.section	__TEXT,__text,regular,pure_instructions
	.macosx_version_min 10, 10
	.globl	_main
_main:                                  ## @main
	.cfi_startproc
## BB#0:
	pushq	%rbp
Ltmp0:
	.cfi_def_cfa_offset 16
Ltmp1:
	.cfi_offset %rbp, -16
	movq	%rsp, %rbp
Ltmp2:
	.cfi_def_cfa_register %rbp
	leaq	L_.str1(%rip), %rdi
	leaq	L_.str(%rip), %rsi
	movl	$8, %edx
	xorl	%eax, %eax
	callq	_printf
	xorl	%eax, %eax
	popq	%rbp
	retq
	.cfi_endproc

	.section	__TEXT,__cstring,cstring_literals
L_.str:                                 ## @.str
	.asciz	"this is a string referenced by a pointer"

L_.str1:                                ## @.str1
	.asciz	"ptr = %s; sizeof ptr = %ld\n"


.subsections_via_symbols