Dump of assembler code for function atof: 27 { 28 return strtod (nptr, (char **) NULL); => 0x4033cfe0 <+0>: mov r1, #0 29 } 0x4033cfe4 <+4>: b 0x40341c34 <__GI_strtod> End of assembler dump. Dump of assembler code for function __GI_strtod: 69 { 70 return INTERNAL(STRTOF_L) (nptr, endptr, 0, _NL_CURRENT_LOCALE); => 0x40341c34 <+0>: ldr r3, [pc, #0] ; 0x40341c4c <__GI_strtod+24> 0x40341c38 <+4>: mrc 15, 0, r12, cr13, cr0, {3} 0x40341c3c <+8>: mov r2, #0 0x40341c40 <+12>: ldr r3, [pc, r3] 0x40341c44 <+16>: ldr r3, [r12, r3] 71 } 0x40341c48 <+20>: b 0x40344320 <__GI_____strtod_l_internal> 0x40341c4c <+24>: andseq r8, r0, r8, lsl r4 End of assembler dump.