12cb181da7
Merge from newlib-csl-20060320-branch: 2006-12-01 Nathan Sidwell <nathan@codesourcery.com> Kazu Hirata <kazu@codesourcery.com> * m68k/Makefile.in (CF_ISRS): Use addprefix. 2006-11-01 Nathan Sidwell <nathan@codesourcery.com> * m68k/Makefile.in (CFLAGS): Do not clear. Add to all compilations. (ARFLAGS): Remove commented out definition. * m68k/configure.in (DO) Set to list of target cpu families. * m68k/configure: Rebuilt. * m68k/Makefile.in (DO): New. (UNHOSTED_BSP, UNHOSTED_OBJS, HOSTED_BSP, HOSTED_OBJS): Move later. (m5208evb, m5213evb, m52235evb, m5235evb, m5273c3, m5275evb, m5282evb, m5329evb, m5485evb): Move earlier. (all): Add all_$DO dependencies. (all_cf, all_m68k): New targets, depend on cf & m68k bsps as appropriate. (m%-ram.ld, m%-rom.ld, m%-ram-hosted.ld, m%-rom-hosted.ld): Add 'm' prefix. (install): Add install_$DO dependencies. (install_cf, install_m68k): New targets. Perform cf and m68k installs as appropriate. (install_io): New, install the io libraries. 2006-10-23 Nathan Sidwell <nathan@codesourcery.com> * m68k/Makefile.in (CF_CRT0): Rename to CF_CRT0S, separate hosted & unhosted versions. (CF_OBJS): Add cf-isv.o. (CF_SOURCES): Add cf-isv.S. (cf-hosted-crt0.o, cf-unhosted-crt0.o): New targets. * m68k/cf-isv.S: New, broken out of ... * m68k/cf-crt0.S: ... here. Add HOSTED & UNHOSTED differences. * m68k/cf-crt1.c (__start1): Add heap_limit argument. (__heap_limit): Define. * m68k/cf-sbrk.c (__heap_limit): Declare. (sbrk): Adjust for __heap_limit. * m68k/cf.sc: Use different crt0's for hosted & unhosted. Install a separate isv.o file. * m68k/io.h (HOSTED_PUTCHAR): Replace with ... (HOSTED_INIT_SIM): ... this. 2006-10-20 Nathan Sidwell <nathan@codesourcery.com> * m68k/Makefile.in (CF_BOARDS): Add m5275evb. (m5275evb): New board. 2006-10-20 Vladimir Prus <vladimir@codesourcery.com> * m68k/cf.sc: Add linkonce sections and DWARF sections. 2006-10-07 Nathan Sidwell <nathan@codesourcery.com> * m68k/Makefile.in: Adjust Coldfire rules. (BDM_CRT0, BDM_BSP, BDM_OBJS, BDM_ISRS): Rename to ... (CF_CRT0, CF_BSP, CF_OBJS, CF_ISRS): ... here. Adjust. (BDM_OTHER_OBJS): Remove. (BDM_SYSOBJS): Rename to ... (UNHOSTED_OBJS): ... here. Adjust. (UNHOSTED_BSP, HOSTED_OBJS, HOSTED_BSP): New. (CF_HOSTED_SCRIPTS): New. (CF_SCRIPTS, CF_SOURCES): Adjust. * m68k/cf.sc: Add IO library variable. * m68k/bdm-crt0.S, m68k/bdm-crt1.c, m68k/bdm-isrs.c, m68k/bdm-sbrk.c, m68k/bdm-semihost.S: Rename to ... * m68k/cf-crt0.S, m68k/cf-crt1.c, m68k/cf-isrs.c, m68k/cf-sbrk.c, m68k/cf-hosted.S: ... here. * m68k/cf-exit.c: New. * m68k/bdm-gdb.h, m68k/bdm-semihost.h: Merge into ... * m68k/io.h: ... here. Add unhosted support. Adjust conversion function names. * m68k/bdm-gdb.c: Rename to ... * m68k/io-gdb.c: ... here. Adjust names of conversion functions. * m68k/bdm-close.c, m68k/bdm-exit.c, m68k/bdm-fstat.c, m68k/bdm-gettimeofday.c, m68k/bdm-isatty.c, m68k/bdm-lseek.c, m68k/bdm-open.c, m68k/bdm-read.c, m68k/bdm-rename.c, m68k/bdm-stat.c, m68k/bdm-system.c, m68k/bdm-time.c, m68k/bdm-unlink.c, m68k/bdm-write.c: Rename to ... * m68k/io-close.c, m68k/io-exit.c, m68k/io-fstat.c, m68k/io-gettimeofday.c, m68k/io-isatty.c, m68k/io-lseek.c, m68k/io-open.c, m68k/io-read.c, m68k/io-rename.c, m68k/io-stat.c, m68k/io-system.c, m68k/io-time.c, m68k/io-unlink.c, m68k/io-write.c: ... here. Include io.h. Adjust for hosted & unhosted libraries. Adjust names of gdb conversion functions. 2006-09-29 Nathan Sidwell <nathan@codesourcery.com> * m68k/bdm-semihost.S: Add more comments. Make instruction weirder. 2006-09-22 Nathan Sidwell <nathan@codesourcery.com> * m68k/bdm-crt1.c (hardware_init_hook): Use #defines for CACR bits. 2006-09-18 Nathan Sidwell <nathan@codesourcery.com> * m68k/Makefile.in: Don't force a frame pointer on the ISRs. * m68k/bdm-crt1.c (__start1): Don't set the VBR here. (hardeare_init_hook): Define weakly. Set VBR here, enable caching if supported. * m68k/Makefile.in (bdm-semihost.o): Build from bdm-semihost.S. * m68k/bdm-semihost.c: Remove. * m68k/bdm-semihost.S: New. * m68k/bdm-crt0.S: Don't install semihosting trap handler. * m68k/bdm-close.c, bdm-exit.c, bdm-fstat.c, bdm-gettimeofday.c, bdm-isatty.c, bdm-lseek.c, bdm-open.c, bdm-read.c, bdm-rename.c, bdm-stat.c, bdm-system.c, bdm-unlink.c, bdm-write.c): Update. * m68k/bdm-isrs.c: Update comment. * m68k/bdm-semihost.h (BDM_TRAPNUM, BDM_FUNC_REG, BDM_ARG_REG, BDM_TRAP): Remove. (__bdm_semihost): Declare. 2006-09-15 Nathan Sidwell <nathan@codesourcery.com> * m68k/Makefile.in (BDM_OTHER_OBJS): Remove sbrk.o. (BDM_SYSOBJS): Add bdm-sbrk.o. * m68k/bdm-sbrk.c: New. 2006-09-06 Nathan Sidwell <nathan@codesourcery.com> * m68k/Makefile.in (CF_SOURCES): New. (install): Install them. 2006-09-01 Nathan Sidwell <nathan@codesourcery.com> * m68k/cf.sc: Add .jcr section to .text.
156 lines
3.8 KiB
C
156 lines
3.8 KiB
C
/* asm.h -- macros for m68k asm
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*
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* Copyright (c) 1995, 1996 Cygnus Support
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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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* that existing copyright notices are retained in all copies and that this
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* notice is included verbatim in any distributions. No written agreement,
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* license, or royalty fee is required for any of the authorized uses.
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* Modifications to this software may be copyrighted by their authors
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* and need not follow the licensing terms described here, provided that
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* the new terms are clearly indicated on the first page of each file where
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* they apply.
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*/
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#if 0
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/*
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* XXX __USER_LABEL_PREFIX__ and __REGISTER_PREFIX__ do not work on gcc 2.7.0-3
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* XXX The following ifdef magic fixes the problem but results in a warning
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* XXX when compiling assembly code.
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*/
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#ifndef __USER_LABEL_PREFIX__
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/* #define __USER_LABEL_PREFIX__ "" /* no underscore for coff */
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#define __USER_LABEL_PREFIX__ _ /* leading underscore for aout */
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#endif
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#ifndef __REGISTER_PREFIX__
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#define __REGISTER_PREFIX__ /* never has anything prefixed */
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#endif
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#endif
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/*
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* some assemblers choke on '#' as an immediate value. As gcc can also
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* use '&', use that in those cases.
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*/
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#ifndef __IMMEDIATE_PREFIX__
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#define __IMMEDIATE_PREFIX__ #
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#endif
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/* ANSI concatenation macros. */
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#define CONCAT1(a, b) CONCAT2(a, b)
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#define CONCAT2(a, b) a ## b
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/* use the right prefix for global labels. */
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#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__,x)
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/* use the right prefix for registers. */
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#define REG(x) CONCAT1 (__REGISTER_PREFIX__,x)
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/* use the right prefix for immediate values. */
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#define IMM(x) CONCAT1 (__IMMEDIATE_PREFIX__,x)
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/* use the right prefix for register names */
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#define d0 REG (d0)
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#define d1 REG (d1)
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#define d2 REG (d2)
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#define d3 REG (d3)
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#define d4 REG (d4)
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#define d5 REG (d5)
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#define d6 REG (d6)
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#define d7 REG (d7)
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#define a0 REG (a0)
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#define a1 REG (a1)
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#define a2 REG (a2)
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#define a3 REG (a3)
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#define a4 REG (a4)
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#define a5 REG (a5)
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#define a6 REG (a6)
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#define a7 REG (a7)
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#define fp REG (fp)
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#define fp0 REG (fp0)
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#define fp1 REG (fp1)
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#define fp2 REG (fp2)
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#define fp3 REG (fp3)
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#define fp4 REG (fp4)
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#define fp5 REG (fp5)
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#define fp6 REG (fp6)
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#define fp7 REG (fp7)
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#define sp REG (sp)
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#define usp REG (usp)
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#define vbr REG (vbr)
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#define mbb REG (mbb)
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#define sr REG (sr)
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#define fpcr REG (fpcr)
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#define fpsr REG (fpsr)
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#define fpi REG (fpi)
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/* Provide a few macros to allow for PIC code support.
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* With PIC, data is stored A5 relative so we've got to take a bit of special
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* care to ensure that all loads of global data is via A5. PIC also requires
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* jumps and subroutine calls to be PC relative rather than absolute. We cheat
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* a little on this and in the PIC case, we use short offset branches and
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* hope that the final object code is within range (which it should be).
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*/
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#ifndef __PIC__
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/* Non PIC (absolute/relocatable) versions */
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.macro PICCALL addr
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jbsr \addr
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.endm
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.macro PICJUMP addr
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jmp \addr
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.endm
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.macro PICLEA sym, reg
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lea \sym, \reg
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.endm
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.macro PICPEA sym, areg
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pea \sym
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.endm
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#else /* __PIC__ */
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/* Common for -mid-shared-libary and -msep-data */
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.macro PICCALL addr
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bsr \addr
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.endm
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.macro PICJUMP addr
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bra \addr
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.endm
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# if defined(__ID_SHARED_LIBRARY__)
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/* -mid-shared-library versions */
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.macro PICLEA sym, reg
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movel a5@(_current_shared_library_a5_offset_), \reg
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movel \sym@GOT(\reg), \reg
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.endm
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.macro PICPEA sym, areg
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movel a5@(_current_shared_library_a5_offset_), \areg
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movel \sym@GOT(\areg), sp@-
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.endm
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# else /* !__ID_SHARED_LIBRARY__ */
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/* Versions for -msep-data */
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.macro PICLEA sym, reg
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movel \sym@GOT(a5), \reg
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.endm
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.macro PICPEA sym, areg
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movel \sym@GOT(a5), sp@-
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.endm
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# endif /* !__ID_SHARED_LIBRARY__ */
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#endif /* __PIC__ */
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