Everything
7.5 Usage of Data Sections and List of Reentrancy

This chapter explains the usage of constant data sections (.const), data sections with initial value (.data), and data sections without initial value (.bss) by various functions which are included in libraries, and details of reentrancy.

Function Name

Usage of .const

Usage of .data

Usage of .bss

Reentrancy

Remarks

(library for storage, cause of non-reentrancy)

strpbrk

X

X

X

O

 

strrchr

X

X

X

O

 

strchr

X

X

X

O

 

strstr

X

X

X

O

 

strspn

X

X

X

O

 

strcspn

X

X

X

O

 

strcmp

X

X

X

O

 

strncmp

X

X

X

O

 

strcpy

X

X

X

O

 

strncpy

X

X

X

O

 

strcat

X

X

X

O

 

strncat

X

X

X

O

 

strtok

X

X

O

X

Internal management data

strlen

X

X

X

O

 

strerror

O

O

X

X

Internal management data

memchr

X

X

X

O

 

memcmp

X

X

X

O

 

memcpy

X

X

X

O

 

memmove

X

X

X

O

 

memset

X

X

X

O

 

toupper

O

X

X

O

 

tolower

O

X

X

O

 

isalnum

O

X

X

O

 

isalpha

O

X

X

O

 

isascii

X

X

X

O

 

isupper

O

X

X

O

 

islower

O

X

X

O

 

isdigit

O

X

X

O

 

isxdigit

O

X

X

O

 

iscntrl

O

X

X

O

 

ispunct

O

X

X

O

 

isspace

O

X

X

O

 

isprint

O

X

X

O

 

isgraph

O

X

X

O

 

fread

X

X

X

O

 

getc

X

X

X

O

 

fgetc

X

X

X

O

 

fgets

X

X

X

O

 

fwrite

X

X

X

O

 

putc

X

X

X

O

 

fputc

X

X

X

O

 

fputs

X

X

X

O

 

getchar

X

O

X

X

stdin

gets

X

O

X

X

stdin

putchar

X

O

X

X

stdout

puts

X

O

X

X

stdout

sprintf

O

X

O

X

errno

fprintf

O

X

O

X

errno

vsprintf

O

X

O

X

errno

printf

O

O

O

X

errno, stdout

vfprintf

O

X

O

X

errno

vprintf

O

O

O

X

errno, stdout

sscanf

O

X

X

O

 

fscanf

O

X

X

O

 

scanf

O

O

X

X

stdin

ungetc

X

X

X

O

 

rewind

X

X

X

O

 

perror

O

O

O

X

errno,stderr

abs

X

X

X

O

 

labs

X

X

X

O

 

llabs

X

X

X

O

 

bsearch

X

X

X

O

 

qsort

X

X

X

O

 

div

X

X

X

O

 

ldiv

X

X

X

O

 

lldiv

X

X

X

O

 

lldiv

O

X

X

O

(libc.lib)

atoi

O

X

O

X

errno

atol

O

X

O

X

errno

atoll

O

X

O

X

errno

strtol

O

X

O

X

errno

strtoul

O

X

O

X

errno

strtoll

O

X

O

X

errno

strtoull

O

X

O

X

errno

atoff

O

X

O

X

errno

atof

O

X

O

X

errno

strtodf

O

X

O

X

errno

strtod

O

X

O

X

errno

rand

X

O

X

X

Internal management data

srand

X

O

X

X

Internal management data

abort

X

X

X

-

Processing is not returned

longjmp

X

X

X

X

SP

setjmp

X

X

X

O

 

expf

O

X

O

X

errno

exp

O

X

O

X

errno

expl

O

X

O

X

errno

logf

O

X

O

X

errno

log

X

X

O

X

errno

log

O

X

O

X

(libm.lib, softfloat\libm.lib)

errno

logl

O

X

O

X

errno

logl

X

X

O

X

(rhf8n.lib, rhf8z.lib, libm.lib)

errno

log10f

X

X

O

X

errno

log10f

O

X

O

X

(libmf.lib, softfloat\libmf.lib)

errno

log10

X

X

O

X

errno

log10

O

X

O

X

(libm.lib, softfloat\libm.lib)

errno

log10l

O

X

O

X

errno

log10l

X

X

O

X

(rhf8n.lib, rhf8z.lib, libm.lib)

errno

powf

O

X

O

X

errno

pow

O

X

O

X

errno

powl

O

X

O

X

errno

sqrtf

X

X

O

X

errno

sqrtf

O

X

O

X

(libmf.lib, softfloat\libmf.lib)

errno

sqrt

X

X

O

X

errno

sqrt

O

X

O

X

(libm.lib, softfloat\libm.lib)

errno

sqrtl

X

X

O

X

errno

sqrtl

O

X

O

X

(rhs8n.lib, rhs4n.lib, softfloat\libm.lib)

errno

ceilf

O

X

X

O

 

ceilf

X

X

X

O

(rhs8n.lib, rhs4n.lib,

softfloat\libmf.lib)

ceil

O

X

X

O

 

ceil

X

X

X

O

(rhs8n.lib, rhs4n.lib,

softfloat\libm.lib)

ceill

O

X

X

O

 

ceill

X

X

X

O

(rhs8n.lib, rhs4n.lib, softfloat\libm.lib)

fabsf

X

X

X

O

 

fabs

X

X

X

O

 

fabsl

X

X

X

O

 

floorf

O

X

X

O

 

floorf

X

X

X

O

(rhs8n.lib, rhs4n.lib,

softfloat\libmf.lib)

floor

O

X

X

O

 

floor

X

X

X

O

(rhs8n.lib, rhs4n.lib,

softfloat\libm.lib)

floorl

O

X

X

O

 

floorl

X

X

X

O

(rhs8n.lib, rhs4n.lib, softfloat\libm.lib)

roundf

O

X

X

O

 

round

O

X

X

O

 

roundl

O

X

X

O

 

lroundf

O

O

O

X

errno

lround

O

O

O

X

errno

lroundl

O

O

O

X

errno

llroundf

O

O

O

X

errno

llround

O

O

O

X

errno

llroundl

O

O

O

X

errno

truncf

O

X

X

O

 

trunc

O

X

X

O

 

truncl

O

X

X

O

 

fmodf

X

X

O

X

errno

fmodf

O

X

O

X

(softfloat\libmf.lib)

errno

fmod

X

X

O

X

errno

fmod

O

X

O

X

(softfloat\libmf.lib)

errno

fmodl

X

X

O

X

errno

copysignf

X

X

X

O

 

copysign

X

X

X

O

 

copysignl

X

X

X

O

 

frexpf

X

X

O

X

errno

frexpf

O

X

O

X

(softfloat\libmf.lib)

errno

frexp

X

X

O

X

errno

frexp

O

X

O

X

(softfloat\libmf.lib)

errno

frexpl

X

X

O

X

errno

ldexpf

O

X

O

X

errno

ldexpf

X

X

O

X

(rhs8n.lib, rhs4n.lib,

softfloat\libm.lib)

errno

ldexp

O

X

O

X

errno

ldexp

X

X

O

X

(rhs8n.lib, rhs4n.lib,

softfloat\libm.lib)

errno

ldexpl

O

X

O

X

errno

ldexpl

X

X

O

X

(rhs8n.lib, rhs4n.lib, softfloat\libm.lib)

errno

modff

O

X

X

O

 

modff

X

X

X

O

(rhs8n.lib, rhs4n.lib,

softfloat\libm.lib)

modf

O

X

X

O

 

modf

X

X

X

O

(rhs8n.lib, rhs4n.lib,

softfloat\libm.lib)

modfl

O

X

X

O

 

modfl

X

X

X

O

(rhs8n.lib, rhs4n.lib, softfloat\libm.lib)

cosf

X

X

O

X

errno

cosf

O

X

O

X

(rhs8n.lib, rhs4n.lib, libmf.lib,

softfloat\libmf.lib)

errno

cos

O

X

O

X

errno

cos

X

X

O

X

(rhf4n.lib, rhf4z.lib)

errno

cosl

O

X

O

X

errno

cosl

X

X

O

X

(rhf4n.lib, rhfnz.lib)

errno

sinf

X

X

O

X

errno

sinf

O

X

O

X

(rhs8n.lib, rhs4n.lib, libmf.lib,

softfloat\libmf.lib)

errno

sin

O

X

O

X

errno

sin

X

X

O

X

(rhf4n.lib, rhf4z.lib)

errno

sinl

O

X

O

X

errno

sinl

X

X

O

X

(rhf4n.lib, rhfnz.lib)

errno

tanf

X

X

O

X

errno

tanf

O

X

O

X

(rhs8n.lib, rhs4n.lib, libmf.lib,

softfloat\libmf.lib)

errno

tan

X

X

O

X

errno

tan

O

X

O

X

(rhs8n.lib, rhs4n.lib, libmf.lib,

softfloat\libmf.lib)

errno

tanl

X

X

O

X

errno

tanl

O

X

O

X

(rhs8n.lib, rhs4n.lib, softfloat\libm.lib)

errno

acosf

X

X

O

X

errno

acosf

O

X

O

X

(rhs8n.lib, rhs4n.lib, libmf.lib,

softfloat\libmf.lib)

errno

acos

X

X

O

X

errno

acos

O

X

O

X

(rhs8n.lib, rhs4n.lib, libmf.lib,

softfloat\libmf.lib)

errno

acosl

X

X

O

X

errno

acosl

O

X

O

X

(rhs8n.lib, rhs4n.lib, softfloat\libm.lib)

errno

asinf

X

X

O

X

errno

asinf

O

X

O

X

(rhs8n.lib, rhs4n.lib, libmf.lib,

softfloat\libmf.lib)

errno

asin

X

X

O

X

errno

asin

O

X

O

X

(rhs8n.lib, rhs4n.lib, libmf.lib,

softfloat\libmf.lib)

errno

asinl

X

X

O

X

errno

asinl

O

X

O

X

(rhs8n.lib, rhs4n.lib, softfloat\libm.lib)

errno

atanf

X

X

O

X

errno

atanf

O

X

O

X

(rhs8n.lib, rhs4n.lib, libmf.lib,

softfloat\libmf.lib)

errno

atan

X

X

O

X

errno

atan

O

X

O

X

(rhs8n.lib, rhs4n.lib, libmf.lib,

softfloat\libmf.lib)

errno

atanl

X

X

O

X

errno

atanl

O

X

O

X

(rhs8n.lib, rhs4n.lib, softfloat\libm.lib)

errno

atan2f

O

X

O

X

errno

atan2

O

X

O

X

errno

atan2l

O

X

O

X

errno

coshf

O

X

O

X

errno

cosh

O

X

O

X

errno

coshl

O

X

O

X

errno

sinhf

O

X

O

X

errno

sinh

O

X

O

X

errno

sinhl

O

X

O

X

errno

tanhf

O

X

O

X

errno

tanh

O

X

O

X

errno

tanhl

O

X

O

X

errno

fmax

X

X

X

O

 

fmaxf

X

X

X

O

 

fmaxl

X

X

X

O

 

fmin

X

X

X

O

 

fminf

X

X

X

O

 

fminl

X

X

X

O

 

calloc

X

O

O

X

Internal management data

free

X

O

O

X

Internal management data

malloc

X

O

O

X

Internal management data

realloc

X

O

O

X

Internal management data

_INITSCT_RH

X

X

X

O

 

hdwinit

X

X

X

O

 

_COM_fadd

X

X

X

O

 

_COM_fsub

X

X

X

O

 

_COM_fmul

X

X

X

O

 

_COM_fdiv

X

X

X

O

 

_COM_dadd

X

X

X

O

 

_COM_dsub

X

X

X

O

 

_COM_dmul

X

X

X

O

 

_COM_ddiv

X

X

X

O

 

_COM_mul64

X

X

X

O

 

_COM_div64

X

X

X

O

 

_COM_udiv64

X

X

X

O

 

_COM_rem64

X

X

X

O

 

_COM_urem64

X

X

X

O

 

_COM_shll_64_32

X

X

X

O

 

_COM_shrl_64_32

X

X

X

O

 

_COM_shra_64_32

X

X

X

O

 

_COM_neg64

X

X

X

O

 

_COM_itof

X

X

X

O

 

_COM_itod

X

X

X

O

 

_COM_utof

X

X

X

O

 

_COM_utod

X

X

X

O

 

_COM_i64tof

X

X

X

O

 

_COM_i64tod

X

X

X

O

 

_COM_u64tof

X

X

X

O

 

_COM_u64tod

X

X

X

O

 

_COM_ftoi

X

X

X

O

 

_COM_dtoi

X

X

X

O

 

_COM_ftou

X

X

X

O

 

_COM_dtou

X

X

X

O

 

_COM_ftoi64

X

X

X

O

 

_COM_dtoi64

X

X

X

O

 

_COM_ftou64

X

X

X

O

 

_COM_dtou64

X

X

X

O

 

_COM_ftod

X

X

X

O

 

_COM_dtof

X

X

X

O

 

_COM_fgt

X

X

X

O

 

_COM_fge

X

X

X

O

 

_COM_feq

X

X

X

O

 

_COM_fne

X

X

X

O

 

_COM_flt

X

X

X

O

 

_COM_fle

X

X

X

O

 

_COM_funord

X

X

X

O

 

_COM_dgt

X

X

X

O

 

_COM_dge

X

X

X

O

 

_COM_deq

X

X

X

O

 

_COM_dne

X

X

X

O

 

_COM_dlt

X

X

X

O

 

_COM_dle

X

X

X

O

 

_COM_dunord

X

X

X

O

 

__control_flow_integrity

O

X

X

O

Function list