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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 2004-03-04 00:35:03 +00:00
parent e299c7addc
commit 13a47bd66a
4 changed files with 82 additions and 55 deletions
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12
libgloss/ChangeLog
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@ -1,3 +1,15 @@
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.
2004-01-23 Gábor Lóki <loki@inf.u-szeged.hu> 2004-01-23 Gábor Lóki <loki@inf.u-szeged.hu>
* m68k/leds.c: remove led_putnum(), zylons() forward * m68k/leds.c: remove led_putnum(), zylons() forward

29
libgloss/m68hc11/sci-inout.S
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@ -1,5 +1,5 @@
/* M68HC11/M68HC12 serial line operations /* M68HC11/M68HC12 serial line operations
* Copyright (C) 1999, 2001 Stephane Carrez (stcarrez@nerim.fr) * Copyright (C) 1999, 2001, 2003, 2004 Stephane Carrez (stcarrez@nerim.fr)
* *
* The authors hereby grant permission to use, copy, modify, distribute, * The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided * and license this software and its documentation for any purpose, provided
@ -12,6 +12,25 @@
* they apply. * they apply.
*/ */
#ifdef __HAVE_SHORT_INT__
.mode mshort
#else
.mode mlong
#endif
#if defined(__USE_RTC__)
.macro ret
#if defined(mc68hc12)
rtc
#else
jmp __return_32
#endif
.endm
#else
.macro ret
rts
.endm
#endif
#ifdef mc68hc12 #ifdef mc68hc12
SC0CR1 = 0xC2 SC0CR1 = 0xC2
SC0CR2 = 0xC3 SC0CR2 = 0xC3
@ -39,7 +58,7 @@ L1:
ldab SC0CR2,x ldab SC0CR2,x
orab #0x8 orab #0x8
stab SC0CR2,x stab SC0CR2,x
rts ret
.sect .text .sect .text
.globl inbyte .globl inbyte
@ -52,7 +71,7 @@ inbyte:
bita #0x20 bita #0x20
beq inbyte beq inbyte
ldab SC0CR2,x ldab SC0CR2,x
rts ret
.globl _sci_init .globl _sci_init
.sect .text .sect .text
@ -99,7 +118,7 @@ L1:
ldab SCCR2,x ldab SCCR2,x
orab #0x8 orab #0x8
stab SCCR2,x stab SCCR2,x
rts ret
.sect .text .sect .text
.globl inbyte .globl inbyte
@ -112,7 +131,7 @@ inbyte:
bita #0x20 bita #0x20
beq inbyte beq inbyte
ldab SCDR,x ldab SCDR,x
rts ret
.globl _sci_init .globl _sci_init
.sect .text .sect .text

48
libgloss/m68hc11/sim-valid-m68hc11.ld
View File

@ -146,15 +146,21 @@ SECTIONS
{ {
*(.init) *(.init)
} =0 } =0
/* Put trampolines at beginning of text at 0x4400 so that they
are not in memory bank window. */
.tramp :
{
*(.tramp)
} > text
.text : .text :
{ {
/* Put startup code at beginning so that _start keeps same address. */ /* Put startup code at beginning so that _start keeps same address. */
/* Startup code. */ /* Startup code. */
*(.install0) /* Section should setup the stack pointer. */ KEEP (*(.install0)) /* Section should setup the stack pointer. */
*(.install1) /* Place holder for applications. */ KEEP (*(.install1)) /* Place holder for applications. */
*(.install2) /* Optional installation of data sections in RAM. */ KEEP (*(.install2)) /* Optional installation of data sections in RAM. */
*(.install3) /* Place holder for applications. */ KEEP (*(.install3)) /* Place holder for applications. */
*(.install4) /* Section that calls the main. */ KEEP (*(.install4)) /* Section that calls the main. */
*(.init) *(.init)
*(.text) *(.text)
*(.text.*) *(.text.*)
@ -162,11 +168,11 @@ SECTIONS
*(.gnu.warning) *(.gnu.warning)
*(.gnu.linkonce.t.*) *(.gnu.linkonce.t.*)
/* Finish code. */ /* Finish code. */
*(.fini0) /* Beginning of finish code (_exit symbol). */ KEEP (*(.fini0)) /* Beginning of finish code (_exit symbol). */
*(.fini1) /* Place holder for applications. */ KEEP (*(.fini1)) /* Place holder for applications. */
*(.fini2) /* C++ destructors. */ KEEP (*(.fini2)) /* C++ destructors. */
*(.fini3) /* Place holder for applications. */ KEEP (*(.fini3)) /* Place holder for applications. */
*(.fini4) /* Runtime exit. */ KEEP (*(.fini4)) /* Runtime exit. */
_etext = .; _etext = .;
PROVIDE (etext = .); PROVIDE (etext = .);
} > text } > text
@ -174,6 +180,10 @@ SECTIONS
{ {
*(.eh_frame) *(.eh_frame)
} > text } > text
.gcc_except_table :
{
*(.gcc_except_table)
} > text
.rodata : .rodata :
{ {
*(.rodata) *(.rodata)
@ -188,25 +198,13 @@ SECTIONS
.ctors : .ctors :
{ {
PROVIDE (__CTOR_LIST__ = .); PROVIDE (__CTOR_LIST__ = .);
*(.ctors) KEEP (*(.ctors))
/* We don't want to include the .ctor section from
from the crtend.o file until after the sorted ctors.
The .ctor section from the crtend file contains the
end of ctors marker and it must be last
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors)) */
PROVIDE(__CTOR_END__ = .); PROVIDE(__CTOR_END__ = .);
} > text } > text
.dtors : .dtors :
{ {
PROVIDE(__DTOR_LIST__ = .); PROVIDE(__DTOR_LIST__ = .);
*(.dtors) KEEP (*(.dtors))
/*
KEEP (*crtbegin.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors)) */
PROVIDE(__DTOR_END__ = .); PROVIDE(__DTOR_END__ = .);
} > text } > text
/* Start of the data section image in ROM. */ /* Start of the data section image in ROM. */
@ -274,7 +272,7 @@ SECTIONS
PROVIDE (_vectors_addr = DEFINED (vectors_addr) ? vectors_addr : 0xffc0); PROVIDE (_vectors_addr = DEFINED (vectors_addr) ? vectors_addr : 0xffc0);
.vectors DEFINED (vectors_addr) ? vectors_addr : 0xffc0 : .vectors DEFINED (vectors_addr) ? vectors_addr : 0xffc0 :
{ {
*(.vectors) KEEP (*(.vectors))
} }
/* Stabs debugging sections. */ /* Stabs debugging sections. */
.stab 0 : { *(.stab) } .stab 0 : { *(.stab) }

48
libgloss/m68hc11/sim-valid-m68hc12.ld
View File

@ -145,15 +145,21 @@ SECTIONS
{ {
*(.init) *(.init)
} =0 } =0
/* Put trampolines at beginning of text at 0x4400 so that they
are not in memory bank window. */
.tramp :
{
*(.tramp)
} > text
.text : .text :
{ {
/* Put startup code at beginning so that _start keeps same address. */ /* Put startup code at beginning so that _start keeps same address. */
/* Startup code. */ /* Startup code. */
*(.install0) /* Section should setup the stack pointer. */ KEEP (*(.install0)) /* Section should setup the stack pointer. */
*(.install1) /* Place holder for applications. */ KEEP (*(.install1)) /* Place holder for applications. */
*(.install2) /* Optional installation of data sections in RAM. */ KEEP (*(.install2)) /* Optional installation of data sections in RAM. */
*(.install3) /* Place holder for applications. */ KEEP (*(.install3)) /* Place holder for applications. */
*(.install4) /* Section that calls the main. */ KEEP (*(.install4)) /* Section that calls the main. */
*(.init) *(.init)
*(.text) *(.text)
*(.text.*) *(.text.*)
@ -161,11 +167,11 @@ SECTIONS
*(.gnu.warning) *(.gnu.warning)
*(.gnu.linkonce.t.*) *(.gnu.linkonce.t.*)
/* Finish code. */ /* Finish code. */
*(.fini0) /* Beginning of finish code (_exit symbol). */ KEEP (*(.fini0)) /* Beginning of finish code (_exit symbol). */
*(.fini1) /* Place holder for applications. */ KEEP (*(.fini1)) /* Place holder for applications. */
*(.fini2) /* C++ destructors. */ KEEP (*(.fini2)) /* C++ destructors. */
*(.fini3) /* Place holder for applications. */ KEEP (*(.fini3)) /* Place holder for applications. */
*(.fini4) /* Runtime exit. */ KEEP (*(.fini4)) /* Runtime exit. */
_etext = .; _etext = .;
PROVIDE (etext = .); PROVIDE (etext = .);
} > text } > text
@ -173,6 +179,10 @@ SECTIONS
{ {
*(.eh_frame) *(.eh_frame)
} > text } > text
.gcc_except_table :
{
*(.gcc_except_table)
} > text
.rodata : .rodata :
{ {
*(.rodata) *(.rodata)
@ -187,25 +197,13 @@ SECTIONS
.ctors : .ctors :
{ {
PROVIDE (__CTOR_LIST__ = .); PROVIDE (__CTOR_LIST__ = .);
*(.ctors) KEEP (*(.ctors))
/* We don't want to include the .ctor section from
from the crtend.o file until after the sorted ctors.
The .ctor section from the crtend file contains the
end of ctors marker and it must be last
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors)) */
PROVIDE(__CTOR_END__ = .); PROVIDE(__CTOR_END__ = .);
} > text } > text
.dtors : .dtors :
{ {
PROVIDE(__DTOR_LIST__ = .); PROVIDE(__DTOR_LIST__ = .);
*(.dtors) KEEP (*(.dtors))
/*
KEEP (*crtbegin.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors)) */
PROVIDE(__DTOR_END__ = .); PROVIDE(__DTOR_END__ = .);
} > text } > text
/* Start of the data section image in ROM. */ /* Start of the data section image in ROM. */
@ -274,7 +272,7 @@ SECTIONS
PROVIDE (_vectors_addr = DEFINED (vectors_addr) ? vectors_addr : 0xffc0); PROVIDE (_vectors_addr = DEFINED (vectors_addr) ? vectors_addr : 0xffc0);
.vectors DEFINED (vectors_addr) ? vectors_addr : 0xffc0 : .vectors DEFINED (vectors_addr) ? vectors_addr : 0xffc0 :
{ {
*(.vectors) KEEP (*(.vectors))
} }
/* Stabs debugging sections. */ /* Stabs debugging sections. */
.stab 0 : { *(.stab) } .stab 0 : { *(.stab) }