Static Call Graph for image .\code.axf

#<CALLGRAPH># ARM Linker, 5040049: Last Updated: Sun Apr 13 14:11:52 2014

Maximum Stack Usage = 168 bytes + Unknown(Functions without stacksize, Untraceable Function Pointers)

Call chain for Maximum Stack Depth:

Functions with no stack information

• __user_initial_stackheap

Function Pointers

• Reset_Handler from cm0dsasm.o(.text) referenced from cm0dsasm.o(RESET)
• Timer_Handler from cm0dsasm.o(.text) referenced from cm0dsasm.o(RESET)
• UART_Handler from cm0dsasm.o(.text) referenced from cm0dsasm.o(RESET)
• __main from __main.o(!!!main) referenced from cm0dsasm.o(.text)
• _printf_input_char from _printf_char_common.o(.text) referenced from _printf_char_common.o(.text)
• fputc from retarget.o(.text) referenced from _printf_char_file.o(.text)

Global Symbols

__main (Thumb, 8 bytes, Stack size 0 bytes, __main.o(!!!main))

[Calls]

• >>   __scatterload
• >>   __rt_entry

__scatterload (Thumb, 0 bytes, Stack size unknown bytes, __scatter.o(!!!scatter))

[Called By]

• >>   __main

__scatterload_rt2 (Thumb, 52 bytes, Stack size unknown bytes, __scatter.o(!!!scatter), UNUSED)

[Calls]

• >>   __rt_entry

__scatterload_rt2_thumb_only (Thumb, 0 bytes, Stack size unknown bytes, __scatter.o(!!!scatter), UNUSED)

__scatterload_null (Thumb, 0 bytes, Stack size unknown bytes, __scatter.o(!!!scatter), UNUSED)

__scatterload_zeroinit (Thumb, 28 bytes, Stack size unknown bytes, __scatter_zi.o(!!handler_zi), UNUSED)

_printf_percent (Thumb, 0 bytes, Stack size unknown bytes, _printf_percent.o(.ARM.Collect$$_printf_percent$$00000000))

[Called By]

• >>   __printf

_printf_d (Thumb, 0 bytes, Stack size unknown bytes, _printf_d.o(.ARM.Collect$$_printf_percent$$00000009))

[Stack]

• Max Depth = 72 + Unknown Stack Size
• Call Chain = _printf_d ⇒ _printf_int_dec ⇒ _printf_int_common

• >>   _printf_percent_end
• >>   _printf_int_dec

_printf_percent_end (Thumb, 0 bytes, Stack size unknown bytes, _printf_percent_end.o(.ARM.Collect$$_printf_percent$$00000017))

[Called By]

• >>   _printf_d

__rt_lib_init (Thumb, 0 bytes, Stack size unknown bytes, libinit.o(.ARM.Collect$$libinit$$00000000))

[Called By]

• >>   __rt_entry_li

__rt_lib_init_fp_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000001))

__rt_lib_init_alloca_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000002C))

__rt_lib_init_argv_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000002A))

__rt_lib_init_atexit_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000019))

__rt_lib_init_clock_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000001F))

__rt_lib_init_cpp_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000030))

__rt_lib_init_exceptions_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000002E))

__rt_lib_init_fp_trap_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000001D))

__rt_lib_init_getenv_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000021))

__rt_lib_init_heap_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000008))

__rt_lib_init_lc_collate_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000000F))

__rt_lib_init_lc_ctype_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000011))

__rt_lib_init_lc_monetary_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000013))

__rt_lib_init_lc_numeric_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000015))

__rt_lib_init_lc_time_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000017))

__rt_lib_init_rand_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000000C))

__rt_lib_init_return (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000031))

__rt_lib_init_signal_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000001B))

__rt_lib_init_stdio_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000023))

__rt_lib_init_user_alloc_1 (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000000A))

__rt_lib_shutdown (Thumb, 0 bytes, Stack size unknown bytes, libshutdown.o(.ARM.Collect$$libshutdown$$00000000))

[Called By]

• >>   __rt_exit_ls

__rt_lib_shutdown_fp_trap_1 (Thumb, 0 bytes, Stack size unknown bytes, libshutdown2.o(.ARM.Collect$$libshutdown$$00000006))

__rt_lib_shutdown_heap_1 (Thumb, 0 bytes, Stack size unknown bytes, libshutdown2.o(.ARM.Collect$$libshutdown$$0000000E))

__rt_lib_shutdown_return (Thumb, 0 bytes, Stack size unknown bytes, libshutdown2.o(.ARM.Collect$$libshutdown$$0000000F))

__rt_lib_shutdown_signal_1 (Thumb, 0 bytes, Stack size unknown bytes, libshutdown2.o(.ARM.Collect$$libshutdown$$00000009))

__rt_lib_shutdown_stdio_1 (Thumb, 0 bytes, Stack size unknown bytes, libshutdown2.o(.ARM.Collect$$libshutdown$$00000003))

__rt_lib_shutdown_user_alloc_1 (Thumb, 0 bytes, Stack size unknown bytes, libshutdown2.o(.ARM.Collect$$libshutdown$$0000000B))

__rt_entry (Thumb, 0 bytes, Stack size unknown bytes, rtentry.o(.ARM.Collect$$rtentry$$00000000))

[Called By]

• >>   __scatterload_rt2
• >>   __main

__rt_entry_presh_1 (Thumb, 0 bytes, Stack size unknown bytes, rtentry2.o(.ARM.Collect$$rtentry$$00000002))

__rt_entry_sh (Thumb, 0 bytes, Stack size unknown bytes, rtentry4.o(.ARM.Collect$$rtentry$$00000004))

[Stack]

• Max Depth = 8 + Unknown Stack Size
• Call Chain = __rt_entry_sh ⇒ __user_setup_stackheap

• >>   __user_setup_stackheap

__rt_entry_li (Thumb, 0 bytes, Stack size unknown bytes, rtentry2.o(.ARM.Collect$$rtentry$$0000000A))

[Calls]

• >>   __rt_lib_init

__rt_entry_postsh_1 (Thumb, 0 bytes, Stack size unknown bytes, rtentry2.o(.ARM.Collect$$rtentry$$00000009))

__rt_entry_main (Thumb, 0 bytes, Stack size unknown bytes, rtentry2.o(.ARM.Collect$$rtentry$$0000000D))

[Stack]

• Max Depth = 144 + Unknown Stack Size
• Call Chain = __rt_entry_main ⇒ main ⇒ Game_Init ⇒ __2printf ⇒ _printf_char_file ⇒ _printf_char_common ⇒ __printf

• >>   exit
• >>   main

__rt_entry_postli_1 (Thumb, 0 bytes, Stack size unknown bytes, rtentry2.o(.ARM.Collect$$rtentry$$0000000C))

__rt_exit (Thumb, 0 bytes, Stack size unknown bytes, rtexit.o(.ARM.Collect$$rtexit$$00000000))

[Called By]

• >>   exit

__rt_exit_ls (Thumb, 0 bytes, Stack size unknown bytes, rtexit2.o(.ARM.Collect$$rtexit$$00000003))

[Calls]

• >>   __rt_lib_shutdown

__rt_exit_prels_1 (Thumb, 0 bytes, Stack size unknown bytes, rtexit2.o(.ARM.Collect$$rtexit$$00000002))

__rt_exit_exit (Thumb, 0 bytes, Stack size unknown bytes, rtexit2.o(.ARM.Collect$$rtexit$$00000004))

[Calls]

• >>   _sys_exit

Game_Init (Thumb, 294 bytes, Stack size 16 bytes, main.o(.text))

[Stack]

• Max Depth = 144 + Unknown Stack Size
• Call Chain = Game_Init ⇒ __2printf ⇒ _printf_char_file ⇒ _printf_char_common ⇒ __printf

• >>   __aeabi_idivmod
• >>   __2printf
• >>   timer_init
• >>   timer_enable
• >>   rectangle
• >>   clear_screen
• >>   KBHIT
• >>   NVIC_EnableIRQ

• >>   main
• >>   Timer_ISR

Game_Close (Thumb, 38 bytes, Stack size 8 bytes, main.o(.text))

[Stack]

• Max Depth = 136 + Unknown Stack Size
• Call Chain = Game_Close ⇒ __2printf ⇒ _printf_char_file ⇒ _printf_char_common ⇒ __printf

• >>   __2printf
• >>   clear_screen
• >>   NVIC_DisableIRQ

• >>   Timer_ISR

target_gen (Thumb, 92 bytes, Stack size 8 bytes, main.o(.text))

[Stack]

• Max Depth = 16
• Call Chain = target_gen ⇒ random

• >>   random
• >>   delay

• >>   Timer_ISR

GameOver (Thumb, 74 bytes, Stack size 8 bytes, main.o(.text))

[Stack]

• Max Depth = 136 + Unknown Stack Size
• Call Chain = GameOver ⇒ __2printf ⇒ _printf_char_file ⇒ _printf_char_common ⇒ __printf

• >>   __2printf
• >>   UartGetc
• >>   KBHIT
• >>   NVIC_DisableIRQ

• >>   Timer_ISR

UART_ISR (Thumb, 160 bytes, Stack size 8 bytes, main.o(.text))

[Stack]

• Max Depth = 8
• Call Chain = UART_ISR

• >>   UartGetc
• >>   NVIC_DisableIRQ
• >>   NVIC_EnableIRQ

• >>   UART_Handler

Timer_ISR (Thumb, 1382 bytes, Stack size 24 bytes, main.o(.text))

[Stack]

• Max Depth = 168 + Unknown Stack Size
• Call Chain = Timer_ISR ⇒ Game_Init ⇒ __2printf ⇒ _printf_char_file ⇒ _printf_char_common ⇒ __printf

• >>   __aeabi_idivmod
• >>   __2printf
• >>   write_LED
• >>   timer_irq_clear
• >>   timer_init
• >>   timer_enable
• >>   rectangle
• >>   Display_Int_Times
• >>   GameOver
• >>   target_gen
• >>   Game_Close
• >>   Game_Init

• >>   Timer_Handler

main (Thumb, 14 bytes, Stack size 0 bytes, main.o(.text))

[Stack]

• Max Depth = 144 + Unknown Stack Size
• Call Chain = main ⇒ Game_Init ⇒ __2printf ⇒ _printf_char_file ⇒ _printf_char_common ⇒ __printf

• >>   SoC_init
• >>   Game_Init

• >>   __rt_entry_main

Reset_Handler (Thumb, 4 bytes, Stack size 0 bytes, cm0dsasm.o(.text))

Timer_Handler (Thumb, 8 bytes, Stack size 0 bytes, cm0dsasm.o(.text))

[Stack]

• Max Depth = 168 + Unknown Stack Size
• Call Chain = Timer_Handler ⇒ Timer_ISR ⇒ Game_Init ⇒ __2printf ⇒ _printf_char_file ⇒ _printf_char_common ⇒ __printf

• >>   Timer_ISR

• cm0dsasm.o(RESET)

UART_Handler (Thumb, 8 bytes, Stack size 0 bytes, cm0dsasm.o(.text))

[Stack]

• Max Depth = 8
• Call Chain = UART_Handler ⇒ UART_ISR

• >>   UART_ISR

• cm0dsasm.o(RESET)

__user_initial_stackheap (Thumb, 0 bytes, Stack size unknown bytes, cm0dsasm.o(.text))

[Called By]

• >>   __user_setup_stackheap

VGA_plot_pixel (Thumb, 14 bytes, Stack size 12 bytes, edk_driver.o(.text))

[Stack]

• Max Depth = 12
• Call Chain = VGA_plot_pixel

• >>   rectangle
• >>   clear_screen

seven_seg_write (Thumb, 16 bytes, Stack size 8 bytes, edk_driver.o(.text))

[Stack]

• Max Depth = 8
• Call Chain = seven_seg_write

• >>   SoC_init
• >>   Display_Int_Times

timer_init (Thumb, 40 bytes, Stack size 16 bytes, edk_driver.o(.text))

[Stack]

• Max Depth = 16
• Call Chain = timer_init

• >>   Timer_ISR
• >>   Game_Init

timer_enable (Thumb, 18 bytes, Stack size 0 bytes, edk_driver.o(.text))

[Called By]

• >>   Timer_ISR
• >>   Game_Init

timer_irq_clear (Thumb, 10 bytes, Stack size 0 bytes, edk_driver.o(.text))

[Called By]

• >>   Timer_ISR

GPIO_read (Thumb, 14 bytes, Stack size 0 bytes, edk_driver.o(.text), UNUSED)

[Called By]

• >>   read_switch

GPIO_write (Thumb, 14 bytes, Stack size 0 bytes, edk_driver.o(.text))

[Called By]

• >>   write_LED

VGAPutc (Thumb, 8 bytes, Stack size 0 bytes, retarget.o(.text))

[Called By]

• >>   fputc

UartPutc (Thumb, 8 bytes, Stack size 0 bytes, retarget.o(.text), UNUSED)

[Called By]

• >>   _ttywrch

UartGetc (Thumb, 10 bytes, Stack size 0 bytes, retarget.o(.text))

[Called By]

• >>   fgetc
• >>   UART_ISR
• >>   GameOver

KBHIT (Thumb, 22 bytes, Stack size 0 bytes, retarget.o(.text))

[Called By]

• >>   GameOver
• >>   Game_Init

fputc (Thumb, 14 bytes, Stack size 4 bytes, retarget.o(.text))

[Stack]

• Max Depth = 4
• Call Chain = fputc

• >>   VGAPutc

• _printf_char_file.o(.text)

fgetc (Thumb, 10 bytes, Stack size 4 bytes, retarget.o(.text), UNUSED)

[Calls]

• >>   UartGetc

ferror (Thumb, 8 bytes, Stack size 0 bytes, retarget.o(.text))

[Called By]

• >>   _printf_char_file

_ttywrch (Thumb, 12 bytes, Stack size 4 bytes, retarget.o(.text), UNUSED)

[Calls]

• >>   UartPutc

_sys_exit (Thumb, 4 bytes, Stack size 0 bytes, retarget.o(.text))

[Called By]

• >>   __rt_exit_exit

clear_screen (Thumb, 34 bytes, Stack size 16 bytes, edk_api.o(.text))

[Stack]

• Max Depth = 28
• Call Chain = clear_screen ⇒ VGA_plot_pixel

• >>   VGA_plot_pixel

• >>   SoC_init
• >>   Game_Close
• >>   Game_Init

SoC_init (Thumb, 44 bytes, Stack size 8 bytes, edk_api.o(.text))

[Stack]

• Max Depth = 36
• Call Chain = SoC_init ⇒ clear_screen ⇒ VGA_plot_pixel

• >>   NVIC_SetPriority
• >>   seven_seg_write
• >>   clear_screen

• >>   main

Display_Int_Times (Thumb, 100 bytes, Stack size 8 bytes, edk_api.o(.text))

[Stack]

• Max Depth = 16
• Call Chain = Display_Int_Times ⇒ seven_seg_write

• >>   seven_seg_write

• >>   Timer_ISR

rectangle (Thumb, 46 bytes, Stack size 40 bytes, edk_api.o(.text))

[Stack]

• Max Depth = 52
• Call Chain = rectangle ⇒ VGA_plot_pixel

• >>   VGA_plot_pixel

• >>   Timer_ISR
• >>   Game_Init

read_switch (Thumb, 8 bytes, Stack size 8 bytes, edk_api.o(.text), UNUSED)

[Calls]

• >>   GPIO_read

write_LED (Thumb, 12 bytes, Stack size 8 bytes, edk_api.o(.text))

[Stack]

• Max Depth = 8
• Call Chain = write_LED

• >>   GPIO_write

• >>   Timer_ISR

delay (Thumb, 12 bytes, Stack size 0 bytes, edk_api.o(.text))

[Called By]

• >>   target_gen

random (Thumb, 40 bytes, Stack size 8 bytes, edk_api.o(.text))

[Stack]

• Max Depth = 8
• Call Chain = random

• >>   target_gen

__I$use$semihosting (Thumb, 0 bytes, Stack size 0 bytes, use_no_semi.o(.text), UNUSED)

__use_no_semihosting_swi (Thumb, 2 bytes, Stack size 0 bytes, use_no_semi.o(.text), UNUSED)

__2printf (Thumb, 22 bytes, Stack size 24 bytes, noretval__2printf.o(.text))

[Stack]

• Max Depth = 128 + Unknown Stack Size
• Call Chain = __2printf ⇒ _printf_char_file ⇒ _printf_char_common ⇒ __printf

• >>   _printf_char_file

• >>   Timer_ISR
• >>   GameOver
• >>   Game_Close
• >>   Game_Init

__printf (Thumb, 108 bytes, Stack size 24 bytes, __printf.o(.text))

[Stack]

• Max Depth = 24 + Unknown Stack Size
• Call Chain = __printf

• >>   _printf_percent

• >>   _printf_char_common

_printf_int_dec (Thumb, 90 bytes, Stack size 32 bytes, _printf_dec.o(.text))

[Stack]

• Max Depth = 72
• Call Chain = _printf_int_dec ⇒ _printf_int_common

• >>   __rt_udiv10
• >>   _printf_int_common
• >>   _printf_truncate_unsigned (Weak Reference)
• >>   _printf_truncate_signed (Weak Reference)

• >>   _printf_d

__aeabi_uidiv (Thumb, 0 bytes, Stack size 0 bytes, aeabi_sdiv.o(.text), UNUSED)

__aeabi_uidivmod (Thumb, 20 bytes, Stack size 0 bytes, aeabi_sdiv.o(.text), UNUSED)

__aeabi_idiv (Thumb, 0 bytes, Stack size 8 bytes, aeabi_sdiv.o(.text), UNUSED)

__aeabi_idivmod (Thumb, 326 bytes, Stack size 8 bytes, aeabi_sdiv.o(.text))

[Stack]

• Max Depth = 8
• Call Chain = __aeabi_idivmod

• >>   Timer_ISR
• >>   Game_Init

__use_two_region_memory (Thumb, 2 bytes, Stack size 0 bytes, heapauxi.o(.text), UNUSED)

__rt_heap_escrow$2region (Thumb, 2 bytes, Stack size 0 bytes, heapauxi.o(.text), UNUSED)

__rt_heap_expand$2region (Thumb, 2 bytes, Stack size 0 bytes, heapauxi.o(.text), UNUSED)

_printf_int_common (Thumb, 176 bytes, Stack size 40 bytes, _printf_intcommon.o(.text))

[Stack]

• Max Depth = 40
• Call Chain = _printf_int_common

• >>   _printf_pre_padding (Weak Reference)
• >>   _printf_post_padding (Weak Reference)

• >>   _printf_int_dec

_printf_char_file (Thumb, 34 bytes, Stack size 16 bytes, _printf_char_file.o(.text))

[Stack]

• Max Depth = 104 + Unknown Stack Size
• Call Chain = _printf_char_file ⇒ _printf_char_common ⇒ __printf

• >>   _printf_char_common
• >>   ferror

• >>   __2printf

__rt_udiv10 (Thumb, 40 bytes, Stack size 0 bytes, rtudiv10.o(.text))

[Called By]

• >>   _printf_int_dec

_printf_char_common (Thumb, 32 bytes, Stack size 64 bytes, _printf_char_common.o(.text))

[Stack]

• Max Depth = 88 + Unknown Stack Size
• Call Chain = _printf_char_common ⇒ __printf

• >>   __printf

• >>   _printf_char_file

__user_setup_stackheap (Thumb, 62 bytes, Stack size 8 bytes, sys_stackheap_outer.o(.text))

[Stack]

• Max Depth = 8 + Unknown Stack Size
• Call Chain = __user_setup_stackheap

• >>   __user_perproc_libspace
• >>   __user_initial_stackheap

• >>   __rt_entry_sh

exit (Thumb, 12 bytes, Stack size 0 bytes, exit.o(.text))

[Calls]

• >>   __rt_exit
• >>   _call_atexit_fns (Weak Reference)

• >>   __rt_entry_main

__user_libspace (Thumb, 8 bytes, Stack size 0 bytes, libspace.o(.text), UNUSED)

__user_perproc_libspace (Thumb, 0 bytes, Stack size 0 bytes, libspace.o(.text))

[Called By]

• >>   __user_setup_stackheap

__user_perthread_libspace (Thumb, 0 bytes, Stack size 0 bytes, libspace.o(.text), UNUSED)

Local Symbols

NVIC_EnableIRQ (Thumb, 14 bytes, Stack size 0 bytes, main.o(.text))

[Called By]

• >>   UART_ISR
• >>   Game_Init

NVIC_DisableIRQ (Thumb, 16 bytes, Stack size 0 bytes, main.o(.text))

[Called By]

• >>   UART_ISR
• >>   GameOver
• >>   Game_Close

NVIC_SetPriority (Thumb, 110 bytes, Stack size 8 bytes, edk_api.o(.text))

[Stack]

• Max Depth = 8
• Call Chain = NVIC_SetPriority

• >>   SoC_init

_printf_input_char (Thumb, 10 bytes, Stack size 0 bytes, _printf_char_common.o(.text))
[Address Reference Count : 1]

• _printf_char_common.o(.text)

Undefined Global Symbols

_call_atexit_fns (ARM, 0 bytes, Stack size 0 bytes, UNDEFINED)

[Called By]

• >>   exit

_printf_post_padding (ARM, 0 bytes, Stack size 0 bytes, UNDEFINED)

[Called By]

• >>   _printf_int_common

_printf_pre_padding (ARM, 0 bytes, Stack size 0 bytes, UNDEFINED)

[Called By]

• >>   _printf_int_common

_printf_truncate_signed (ARM, 0 bytes, Stack size 0 bytes, UNDEFINED)

[Called By]

• >>   _printf_int_dec

_printf_truncate_unsigned (ARM, 0 bytes, Stack size 0 bytes, UNDEFINED)

[Called By]

• >>   _printf_int_dec