2004-03-03 Stephane Carrez <stcarrez@nerim.fr>
* m68hc11/sci-inout.S: Supports -mlong-calls.
* m68hc11/sim-valid-m68hc11.ld (.tramp): New section for trampolines.
(.text): Mark the .installN and .finiN section with KEEP.
(.vectors): Likewise for .vectors.
(.gcc_except_table): New section.
* m68hc11/sim-valid-m68hc12.ld (.tramp): New section for trampolines.
(.text): Mark the .installN and .finiN section with KEEP.
(.vectors): Likewise for .vectors.
(.gcc_except_table): New section.
This commit is contained in:
Jeff Johnston
parent
e299c7addc
commit
13a47bd66a
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@ -1,3 +1,15 @@
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2004-03-03 Stephane Carrez <stcarrez@nerim.fr>
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* m68hc11/sci-inout.S: Supports -mlong-calls.
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* m68hc11/sim-valid-m68hc11.ld (.tramp): New section for trampolines.
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(.text): Mark the .installN and .finiN section with KEEP.
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(.vectors): Likewise for .vectors.
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(.gcc_except_table): New section.
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* m68hc11/sim-valid-m68hc12.ld (.tramp): New section for trampolines.
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(.text): Mark the .installN and .finiN section with KEEP.
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(.vectors): Likewise for .vectors.
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(.gcc_except_table): New section.
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2004-01-23 Gábor Lóki <loki@inf.u-szeged.hu>
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* m68k/leds.c: remove led_putnum(), zylons() forward
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@ -1,5 +1,5 @@
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/* M68HC11/M68HC12 serial line operations
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* Copyright (C) 1999, 2001 Stephane Carrez (stcarrez@nerim.fr)
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* Copyright (C) 1999, 2001, 2003, 2004 Stephane Carrez (stcarrez@nerim.fr)
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*
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* The authors hereby grant permission to use, copy, modify, distribute,
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* and license this software and its documentation for any purpose, provided
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@ -12,6 +12,25 @@
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* they apply.
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*/
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#ifdef __HAVE_SHORT_INT__
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.mode mshort
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#else
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.mode mlong
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#endif
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#if defined(__USE_RTC__)
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.macro ret
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#if defined(mc68hc12)
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rtc
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#else
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jmp __return_32
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#endif
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.endm
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#else
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.macro ret
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rts
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.endm
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#endif
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#ifdef mc68hc12
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SC0CR1 = 0xC2
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SC0CR2 = 0xC3
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@ -39,7 +58,7 @@ L1:
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ldab SC0CR2,x
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orab #0x8
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stab SC0CR2,x
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rts
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ret
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.sect .text
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.globl inbyte
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@ -52,7 +71,7 @@ inbyte:
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bita #0x20
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beq inbyte
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ldab SC0CR2,x
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rts
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ret
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.globl _sci_init
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.sect .text
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@ -99,7 +118,7 @@ L1:
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ldab SCCR2,x
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orab #0x8
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stab SCCR2,x
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rts
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ret
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.sect .text
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.globl inbyte
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@ -112,7 +131,7 @@ inbyte:
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bita #0x20
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beq inbyte
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ldab SCDR,x
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rts
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ret
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.globl _sci_init
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.sect .text
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@ -146,15 +146,21 @@ SECTIONS
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{
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*(.init)
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} =0
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/* Put trampolines at beginning of text at 0x4400 so that they
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are not in memory bank window. */
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.tramp :
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{
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*(.tramp)
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} > text
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.text :
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{
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/* Put startup code at beginning so that _start keeps same address. */
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/* Startup code. */
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*(.install0) /* Section should setup the stack pointer. */
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*(.install1) /* Place holder for applications. */
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*(.install2) /* Optional installation of data sections in RAM. */
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*(.install3) /* Place holder for applications. */
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*(.install4) /* Section that calls the main. */
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KEEP (*(.install0)) /* Section should setup the stack pointer. */
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KEEP (*(.install1)) /* Place holder for applications. */
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KEEP (*(.install2)) /* Optional installation of data sections in RAM. */
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KEEP (*(.install3)) /* Place holder for applications. */
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KEEP (*(.install4)) /* Section that calls the main. */
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*(.init)
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*(.text)
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*(.text.*)
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@ -162,11 +168,11 @@ SECTIONS
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*(.gnu.warning)
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*(.gnu.linkonce.t.*)
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/* Finish code. */
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*(.fini0) /* Beginning of finish code (_exit symbol). */
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*(.fini1) /* Place holder for applications. */
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*(.fini2) /* C++ destructors. */
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*(.fini3) /* Place holder for applications. */
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*(.fini4) /* Runtime exit. */
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KEEP (*(.fini0)) /* Beginning of finish code (_exit symbol). */
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KEEP (*(.fini1)) /* Place holder for applications. */
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KEEP (*(.fini2)) /* C++ destructors. */
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KEEP (*(.fini3)) /* Place holder for applications. */
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KEEP (*(.fini4)) /* Runtime exit. */
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_etext = .;
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PROVIDE (etext = .);
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} > text
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@ -174,6 +180,10 @@ SECTIONS
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{
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*(.eh_frame)
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} > text
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.gcc_except_table :
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{
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*(.gcc_except_table)
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} > text
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.rodata :
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{
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*(.rodata)
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@ -188,25 +198,13 @@ SECTIONS
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.ctors :
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{
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PROVIDE (__CTOR_LIST__ = .);
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*(.ctors)
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/* We don't want to include the .ctor section from
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from the crtend.o file until after the sorted ctors.
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The .ctor section from the crtend file contains the
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end of ctors marker and it must be last
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KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
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KEEP (*(SORT(.ctors.*)))
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KEEP (*(.ctors)) */
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KEEP (*(.ctors))
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PROVIDE(__CTOR_END__ = .);
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} > text
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.dtors :
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{
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PROVIDE(__DTOR_LIST__ = .);
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*(.dtors)
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/*
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KEEP (*crtbegin.o(.dtors))
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KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
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KEEP (*(SORT(.dtors.*)))
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KEEP (*(.dtors)) */
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KEEP (*(.dtors))
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PROVIDE(__DTOR_END__ = .);
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} > text
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/* Start of the data section image in ROM. */
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@ -274,7 +272,7 @@ SECTIONS
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PROVIDE (_vectors_addr = DEFINED (vectors_addr) ? vectors_addr : 0xffc0);
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.vectors DEFINED (vectors_addr) ? vectors_addr : 0xffc0 :
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{
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*(.vectors)
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KEEP (*(.vectors))
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}
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/* Stabs debugging sections. */
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.stab 0 : { *(.stab) }
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@ -145,15 +145,21 @@ SECTIONS
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{
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*(.init)
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} =0
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/* Put trampolines at beginning of text at 0x4400 so that they
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are not in memory bank window. */
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.tramp :
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{
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*(.tramp)
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} > text
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.text :
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{
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/* Put startup code at beginning so that _start keeps same address. */
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/* Startup code. */
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*(.install0) /* Section should setup the stack pointer. */
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*(.install1) /* Place holder for applications. */
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*(.install2) /* Optional installation of data sections in RAM. */
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*(.install3) /* Place holder for applications. */
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*(.install4) /* Section that calls the main. */
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KEEP (*(.install0)) /* Section should setup the stack pointer. */
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KEEP (*(.install1)) /* Place holder for applications. */
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KEEP (*(.install2)) /* Optional installation of data sections in RAM. */
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KEEP (*(.install3)) /* Place holder for applications. */
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KEEP (*(.install4)) /* Section that calls the main. */
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*(.init)
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*(.text)
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*(.text.*)
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@ -161,11 +167,11 @@ SECTIONS
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*(.gnu.warning)
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*(.gnu.linkonce.t.*)
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/* Finish code. */
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*(.fini0) /* Beginning of finish code (_exit symbol). */
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*(.fini1) /* Place holder for applications. */
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*(.fini2) /* C++ destructors. */
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*(.fini3) /* Place holder for applications. */
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*(.fini4) /* Runtime exit. */
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KEEP (*(.fini0)) /* Beginning of finish code (_exit symbol). */
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KEEP (*(.fini1)) /* Place holder for applications. */
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KEEP (*(.fini2)) /* C++ destructors. */
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KEEP (*(.fini3)) /* Place holder for applications. */
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KEEP (*(.fini4)) /* Runtime exit. */
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_etext = .;
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PROVIDE (etext = .);
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} > text
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@ -173,6 +179,10 @@ SECTIONS
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{
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*(.eh_frame)
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} > text
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.gcc_except_table :
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{
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*(.gcc_except_table)
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} > text
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.rodata :
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{
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*(.rodata)
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@ -187,25 +197,13 @@ SECTIONS
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.ctors :
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{
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PROVIDE (__CTOR_LIST__ = .);
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*(.ctors)
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/* We don't want to include the .ctor section from
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from the crtend.o file until after the sorted ctors.
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The .ctor section from the crtend file contains the
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end of ctors marker and it must be last
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KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
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KEEP (*(SORT(.ctors.*)))
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KEEP (*(.ctors)) */
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KEEP (*(.ctors))
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PROVIDE(__CTOR_END__ = .);
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} > text
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.dtors :
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{
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PROVIDE(__DTOR_LIST__ = .);
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*(.dtors)
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/*
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KEEP (*crtbegin.o(.dtors))
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KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
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KEEP (*(SORT(.dtors.*)))
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KEEP (*(.dtors)) */
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KEEP (*(.dtors))
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PROVIDE(__DTOR_END__ = .);
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} > text
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/* Start of the data section image in ROM. */
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@ -274,7 +272,7 @@ SECTIONS
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PROVIDE (_vectors_addr = DEFINED (vectors_addr) ? vectors_addr : 0xffc0);
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.vectors DEFINED (vectors_addr) ? vectors_addr : 0xffc0 :
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{
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*(.vectors)
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KEEP (*(.vectors))
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}
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/* Stabs debugging sections. */
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.stab 0 : { *(.stab) }
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