1b69cb3ac5
Merge from newlib-csl-20060320-branch: 2006-12-15 Daniel Jacobowitz <dan@codesourcery.com> * m68k/fido-crt0.S (_vector_table): Reference _PrivilegeViolationHandler. 2006-12-15 Daniel Jacobowitz <dan@codesourcery.com> * m68k/fido-crt0.S (_start): Set %vbr for context 0 in RAM configs. * m68k/fido.sc: Clean up formatting. Add comments. Move stack and heap end to SDRAM for SRAM and SDRAM configurations. Put RedBoot application text in SRAM. 2006-12-13 Nathan Sidwell <nathan@codesourcery.com> * m68k/Makefile (install_cf): Don't loop over files here. Only install sources for the default multilib. (install_fido): Likewise. (install_io): Install bsps in one go. 2006-12-01 Nathan Sidwell <nathan@codesourcery.com> Kazu Hirata <kazu@codesourcery.com> * configure.in: Recognize fido-*-*. * configure: Regenerate. * m68k/Makefile.in (CF_ISRS): Use addprefix. (FIDO_CRT0, FIDO_BSP, FIDO_OBJS, FIDO_HANDLERS, FIDO_UNHOSTED_SCRIPTS, FIDO_HOSTED_SCRIPTS, FIDO_SCRIPTS, FIDO_SOURCES, all_fido, fido-%-crt0.o, fido-rom.ld, fido-rom-hosted.ld, fido-sram.ld, fido-sram-hosted.ld, fido-sdram.ld, fido-sdram-hosted.ld, fido-redboot.ld, install_fido): New. * m68k/asm.h (mbb): New. * m68k/configure.in (DO): Check for __mfido__. * m68k/configure: Regenerate. * m68k/fido-_exit.c, m68k/fido-crt0.S, m68k/fido-handler.c, m68k/fido-hosted.S, m68k/fido-sbrk.c, m68k/fido.h, m68k/fido.sc, m68k/fido_profiling.h: New.
16 lines
275 B
C
16 lines
275 B
C
#include <stddef.h>
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extern char _end[];
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static char *curbrk = _end;
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extern char _heapend; /* End of heap */
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void *
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sbrk (ptrdiff_t incr)
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{
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char *oldbrk = curbrk;
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if (curbrk + incr > &_heapend)
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return (void *) -1;
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curbrk += incr;
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return oldbrk;
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}
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