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<title>Static Call Graph - [F:\LPC2131KEIL例程\I2C\I2C.axf]</title></head>
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<H1>Static Call Graph for image F:\LPC2131KEIL例程\I2C\I2C.axf</H1><HR>
<BR><P>#<CALLGRAPH># ARM Linker, RVCT3.0 [Build 951]: Last Updated: Wed Feb 04 15:16:19 2009
<BR><P>
<H3>Maximum Stack Usage = 64 bytes + Unknown(Functions without stacksize,Cycles,Untraceable Function Pointers)</H3><H3>
Call chain for Maximum Stack Depth:</H3>
__main -> __rt_entry -> __rt_lib_init -> _fp_init<P>
<H3>
Functions with no stack information
</H3><UL>
<LI><a href="#[c7836c]">Reset_Handler</a>
<LI><a href="#[1152640]">__scatterload</a>
<LI><a href="#[1152570]">__scatterload_rt2</a>
<LI><a href="#[11525c0]">__scatterload_null</a>
<LI><a href="#[115208c]">__scatterload_copy</a>
<LI><a href="#[1151c3c]">__scatterload_zeroinit</a>
<LI><a href="#[c781ec]">__user_initial_stackheap</a>
<LI><a href="#[115c9e8]">__fplib_config_pureend_doubles</a>
<LI><a href="#[c789d4]">Undef_Handler</a>
<LI><a href="#[c7895c]">SWI_Handler</a>
<LI><a href="#[c788e0]">PAbt_Handler</a>
<LI><a href="#[c78864]">DAbt_Handler</a>
<LI><a href="#[c787ec]">IRQ_Handler</a>
<LI><a href="#[c78774]">FIQ_Handler</a>
<LI><a href="#[d60558]">__arm_div4</a>
<LI><a href="#[d604e0]">__arm_div8</a>
<LI><a href="#[d60464]">__arm_div_large</a>
</UL>
<P>
<H3>
Mutually Recursive functions
</H3><UL>
<LI><a href="#[c789d4]">Undef_Handler</a> -> <a href="#[c789d4]">Undef_Handler</a><BR>
<LI><a href="#[c7895c]">SWI_Handler</a> -> <a href="#[c7895c]">SWI_Handler</a><BR>
<LI><a href="#[c788e0]">PAbt_Handler</a> -> <a href="#[c788e0]">PAbt_Handler</a><BR>
<LI><a href="#[c78864]">DAbt_Handler</a> -> <a href="#[c78864]">DAbt_Handler</a><BR>
<LI><a href="#[c787ec]">IRQ_Handler</a> -> <a href="#[c787ec]">IRQ_Handler</a><BR>
<LI><a href="#[c78774]">FIQ_Handler</a> -> <a href="#[c78774]">FIQ_Handler</a><BR>
</UL>
<BR>
<P><STRONG><a name="[c7836c]"></a>Reset_Handler</STRONG> (ARM, 0 bytes, Stack size unknown bytes, startup.o(RESET))
<BR>[Address Reference Count : 1]<UL><LI> startup.o(RESET)
</UL>
<P><STRONG><a name="[d5cdc0]"></a>__main</STRONG> (ARM, 8 bytes, Stack size 0 bytes, __main.o(!!!main))
<BR><BR>[Stack]<UL><LI>Max Depth = 64 + Unknown Stack Size
<LI>Call Chain = __main -> __rt_entry -> __rt_lib_init -> _fp_init</UL>
<BR>[Calls]<UL><LI><a href="#[d5c440]">>></a> __rt_entry
<LI><a href="#[1152640]">>></a> __scatterload
</UL>
<P><STRONG><a name="[1152640]"></a>__scatterload</STRONG> (ARM, 0 bytes, Stack size unknown bytes, __scatter.o(!!!scatter))
<BR><BR>[Called By]<UL><LI><a href="#[d5cdc0]"><<</a> __main
</UL>
<P><STRONG><a name="[1152570]"></a>__scatterload_rt2</STRONG> (ARM, 48 bytes, Stack size unknown bytes, __scatter.o(!!!scatter), UNUSED)
<BR><BR>[Calls]<UL><LI><a href="#[d5c440]">>></a> __rt_entry
</UL>
<P><STRONG><a name="[11525c0]"></a>__scatterload_null</STRONG> (ARM, 0 bytes, Stack size unknown bytes, __scatter.o(!!!scatter), UNUSED)
<P><STRONG><a name="[115208c]"></a>__scatterload_copy</STRONG> (ARM, 40 bytes, Stack size unknown bytes, __scatter_copy.o(!!handler_copy), UNUSED)
<BR><BR>[Calls]<UL><LI><a href="#[115208c]">>></a> __scatterload_copy
</UL>
<BR>[Called By]<UL><LI><a href="#[115208c]"><<</a> __scatterload_copy
</UL>
<P><STRONG><a name="[1151c3c]"></a>__scatterload_zeroinit</STRONG> (ARM, 44 bytes, Stack size unknown bytes, __scatter_zi.o(!!handler_zi), UNUSED)
<P><STRONG><a name="[d56220]"></a>__ARM_argv_veneer</STRONG> (ARM, 16 bytes, Stack size 0 bytes, lib_init.o(.emb_text))
<BR><BR>[Called By]<UL><LI><a href="#[d56154]"><<</a> __rt_lib_init (via Veneer)
</UL>
<P><STRONG><a name="[c781ec]"></a>__user_initial_stackheap</STRONG> (ARM, 0 bytes, Stack size unknown bytes, startup.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[d5bad0]"><<</a> __user_setup_stackheap
</UL>
<P><STRONG><a name="[c75710]"></a>ISendByte</STRONG> (ARM, 136 bytes, Stack size 8 bytes, i2cint.o(.text), UNUSED)
<P><STRONG><a name="[c75698]"></a>IRcvByte</STRONG> (ARM, 128 bytes, Stack size 0 bytes, i2cint.o(.text), UNUSED)
<P><STRONG><a name="[c7561c]"></a>I2C_ReadNByte</STRONG> (ARM, 280 bytes, Stack size 8 bytes, i2cint.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = I2C_ReadNByte</UL>
<BR>[Called By]<UL><LI><a href="#[d1d184]"><<</a> main
</UL>
<P><STRONG><a name="[c755a0]"></a>I2C_WriteNByte</STRONG> (ARM, 268 bytes, Stack size 8 bytes, i2cint.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = I2C_WriteNByte</UL>
<BR>[Called By]<UL><LI><a href="#[d1d184]"><<</a> main
</UL>
<P><STRONG><a name="[c7552c]"></a>IRQ_I2C</STRONG> (ARM, 1076 bytes, Stack size 8 bytes, i2cint.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = IRQ_I2C</UL>
<BR>[Address Reference Count : 1]<UL><LI> main.o(.text)
</UL>
<P><STRONG><a name="[d1d26c]"></a>DelayNS</STRONG> (ARM, 44 bytes, Stack size 0 bytes, main.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[d1d184]"><<</a> main
</UL>
<P><STRONG><a name="[d1d1f8]"></a>I2cInit</STRONG> (ARM, 160 bytes, Stack size 8 bytes, main.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 8 + Unknown Stack Size
<LI>Call Chain = I2cInit</UL>
<BR>[Calls]<UL><LI><a href="#[d60184]">>></a> __aeabi_uidivmod
</UL>
<BR>[Called By]<UL><LI><a href="#[d1d184]"><<</a> main
</UL>
<P><STRONG><a name="[d1d184]"></a>main</STRONG> (ARM, 316 bytes, Stack size 48 bytes, main.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 56 + Unknown Stack Size
<LI>Call Chain = main -> I2C_WriteNByte</UL>
<BR>[Calls]<UL><LI><a href="#[c755a0]">>></a> I2C_WriteNByte
<LI><a href="#[c7561c]">>></a> I2C_ReadNByte
<LI><a href="#[d1d1f8]">>></a> I2cInit
<LI><a href="#[d1d26c]">>></a> DelayNS
</UL>
<BR>[Address Reference Count : 1]<UL><LI> kernel.o(.text)
</UL>
<P><STRONG><a name="[d1a754]"></a>IRQ_Exception</STRONG> (ARM, 8 bytes, Stack size 0 bytes, target.o(.text), UNUSED)
<P><STRONG><a name="[d1a6d8]"></a>FIQ_Exception</STRONG> (ARM, 8 bytes, Stack size 0 bytes, target.o(.text), UNUSED)
<P><STRONG><a name="[d1a660]"></a>TargetInit</STRONG> (ARM, 4 bytes, Stack size 0 bytes, target.o(.text), UNUSED)
<P><STRONG><a name="[d1a5e4]"></a>TargetResetInit</STRONG> (ARM, 148 bytes, Stack size 0 bytes, target.o(.text), UNUSED)
<P><STRONG><a name="[d1a56c]"></a>__rt_div0</STRONG> (ARM, 16 bytes, Stack size 0 bytes, target.o(.text), UNUSED)
<P><STRONG><a name="[d1a4f8]"></a>fputc</STRONG> (ARM, 20 bytes, Stack size 0 bytes, target.o(.text), UNUSED)
<P><STRONG><a name="[d1a484]"></a>fgetc</STRONG> (ARM, 16 bytes, Stack size 0 bytes, target.o(.text), UNUSED)
<P><STRONG><a name="[d1a40c]"></a>_sys_close</STRONG> (ARM, 16 bytes, Stack size 0 bytes, target.o(.text), UNUSED)
<P><STRONG><a name="[d1a394]"></a>_sys_write</STRONG> (ARM, 28 bytes, Stack size 0 bytes, target.o(.text), UNUSED)
<P><STRONG><a name="[d1a31c]"></a>_sys_read</STRONG> (ARM, 28 bytes, Stack size 0 bytes, target.o(.text), UNUSED)
<P><STRONG><a name="[d1a2a4]"></a>_ttywrch</STRONG> (ARM, 8 bytes, Stack size 0 bytes, target.o(.text), UNUSED)
<P><STRONG><a name="[d1a22c]"></a>_sys_istty</STRONG> (ARM, 16 bytes, Stack size 0 bytes, target.o(.text), UNUSED)
<P><STRONG><a name="[d1a1b4]"></a>_sys_seek</STRONG> (ARM, 16 bytes, Stack size 0 bytes, target.o(.text), UNUSED)
<P><STRONG><a name="[d1a13c]"></a>_sys_ensure</STRONG> (ARM, 16 bytes, Stack size 0 bytes, target.o(.text), UNUSED)
<P><STRONG><a name="[d1a0c4]"></a>_sys_flen</STRONG> (ARM, 16 bytes, Stack size 0 bytes, target.o(.text), UNUSED)
<P><STRONG><a name="[d1a04c]"></a>_sys_tmpnam</STRONG> (ARM, 24 bytes, Stack size 0 bytes, target.o(.text), UNUSED)
<P><STRONG><a name="[d19fd4]"></a>_sys_exit</STRONG> (ARM, 8 bytes, Stack size 0 bytes, target.o(.text), UNUSED)
<BR><BR>[Called By]<UL><LI><a href="#[d5c280]"><<</a> __rt_abort
</UL>
<P><STRONG><a name="[d19f54]"></a>_sys_command_string</STRONG> (ARM, 20 bytes, Stack size 0 bytes, target.o(.text), UNUSED)
<P><STRONG><a name="[d60a00]"></a>__semihosting_guard</STRONG> (ARM, 0 bytes, Stack size 0 bytes, use_no_semi.o(.text), UNUSED)
<P><STRONG><a name="[d609b0]"></a>__use_no_semihosting_swi</STRONG> (ARM, 4 bytes, Stack size 0 bytes, use_no_semi.o(.text), UNUSED)
<P><STRONG><a name="[d602cc]"></a>__aeabi_idiv</STRONG> (ARM, 0 bytes, Stack size 0 bytes, aeabi_sdiv.o(.text), UNUSED)
<P><STRONG><a name="[d60250]"></a>__aeabi_idivmod</STRONG> (ARM, 364 bytes, Stack size 0 bytes, aeabi_sdiv.o(.text), UNUSED)
<BR><BR>[Calls]<UL><LI><a href="#[d5b64c]">>></a> __aeabi_idiv0
</UL>
<P><STRONG><a name="[d5d500]"></a>__use_two_region_memory</STRONG> (ARM, 4 bytes, Stack size 0 bytes, stkheap2.o(.text), UNUSED)
<P><STRONG><a name="[d5d478]"></a>__rt_stackheap_init</STRONG> (ARM, 60 bytes, Stack size 24 bytes, stkheap2.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 32 + Unknown Stack Size
<LI>Call Chain = __rt_stackheap_init -> __user_setup_stackheap</UL>
<BR>[Calls]<UL><LI><a href="#[d5a760]">>></a> __rt_stackheap_storage
<LI><a href="#[d5bad0]">>></a> __user_setup_stackheap
</UL>
<BR>[Called By]<UL><LI><a href="#[d5c440]"><<</a> __rt_entry
</UL>
<P><STRONG><a name="[d5d3f0]"></a>__rt_heap_extend</STRONG> (ARM, 24 bytes, Stack size 8 bytes, stkheap2.o(.text), UNUSED)
<BR><BR>[Calls]<UL><LI><a href="#[d5d5d4]">>></a> __user_heap_extend (Weak Reference)
</UL>
<P><STRONG><a name="[d5c440]"></a>__rt_entry</STRONG> (ARM, 76 bytes, Stack size 16 bytes, kernel.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 64 + Unknown Stack Size
<LI>Call Chain = __rt_entry -> __rt_lib_init -> _fp_init</UL>
<BR>[Calls]<UL><LI><a href="#[d56154]">>></a> __rt_lib_init (via Veneer)
<LI><a href="#[d592e0]">>></a> exit (via BX)
<LI><a href="#[d5d478]">>></a> __rt_stackheap_init
<LI><a href="#[116031c]">>></a> _platform_post_lib_init
<LI><a href="#[1160770]">>></a> _platform_post_stackheap_init
</UL>
<BR>[Called By]<UL><LI><a href="#[d5cdc0]"><<</a> __main
<LI><a href="#[1152570]"><<</a> __scatterload_rt2
</UL>
<P><STRONG><a name="[d5c2f8]"></a>__rt_exit</STRONG> (ARM, 20 bytes, Stack size 8 bytes, kernel.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 16<LI>Call Chain = __rt_exit -> __rt_lib_shutdown</UL>
<BR>[Calls]<UL><LI><a href="#[d56104]">>></a> __rt_lib_shutdown (via Veneer)
</UL>
<BR>[Called By]<UL><LI><a href="#[d592e0]"><<</a> exit (via Veneer)
</UL>
<P><STRONG><a name="[d5c280]"></a>__rt_abort</STRONG> (ARM, 8 bytes, Stack size 0 bytes, kernel.o(.text), UNUSED)
<BR><BR>[Calls]<UL><LI><a href="#[d19fd4]">>></a> _sys_exit
</UL>
<P><STRONG><a name="[d5bad0]"></a>__user_setup_stackheap</STRONG> (ARM, 96 bytes, Stack size 8 bytes, sys_stackheap_outer.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 8 + Unknown Stack Size
<LI>Call Chain = __user_setup_stackheap</UL>
<BR>[Calls]<UL><LI><a href="#[c781ec]">>></a> __user_initial_stackheap
<LI><a href="#[d599dc]">>></a> __user_perproc_libspace
</UL>
<BR>[Called By]<UL><LI><a href="#[d5d478]"><<</a> __rt_stackheap_init
</UL>
<P><STRONG><a name="[d5b64c]"></a>__aeabi_idiv0</STRONG> (ARM, 4 bytes, Stack size 0 bytes, aeabi_idiv0.o(.text), UNUSED)
<BR><BR>[Called By]<UL><LI><a href="#[d60250]"><<</a> __aeabi_idivmod
</UL>
<P><STRONG><a name="[d5a760]"></a>__rt_stackheap_storage</STRONG> (ARM, 12 bytes, Stack size 0 bytes, rt_stackheap_storage_intlibspace.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[d5d478]"><<</a> __rt_stackheap_init
</UL>
<P><STRONG><a name="[d598b4]"></a>__user_libspace</STRONG> (ARM, 8 bytes, Stack size 0 bytes, libspace.o(.text), UNUSED)
<P><STRONG><a name="[d599dc]"></a>__user_perproc_libspace</STRONG> (ARM, 0 bytes, Stack size 0 bytes, libspace.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[d5bad0]"><<</a> __user_setup_stackheap
</UL>
<P><STRONG><a name="[d59954]"></a>__user_perthread_libspace</STRONG> (ARM, 0 bytes, Stack size 0 bytes, libspace.o(.text), UNUSED)
<P><STRONG><a name="[d592e0]"></a>exit</STRONG> (Thumb, 24 bytes, Stack size 8 bytes, exit.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 24<LI>Call Chain = exit -> __rt_exit -> __rt_lib_shutdown</UL>
<BR>[Calls]<UL><LI><a href="#[d59190]">>></a> _call_atexit_fns (Weak Reference)
<LI><a href="#[d59210]">>></a> __ARM_stackcheck (Weak Reference)
<LI><a href="#[d5c2f8]">>></a> __rt_exit (via Veneer)
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