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GNU Binutils with patches for OS216


File Info

Rev. c4df5bbeb87a445dbc84b9ed677b2c721e5051b5
Größe 2,076 Bytes
Zeit 2020-07-04 04:03:47
Autor Sebastian Huber
Log Message

sim/igen: Fix linker error with -fno-common

GCC 10 enables -fno-common by default. This resulted in multiple
definition linker errors since a global variable was declared and
defined in a header file:

ld: libsim.a(idecode.o):sim/v850/idecode.h:71: multiple definition of
idecode_issue'; libsim.a(irun.o):sim/v850/idecode.h:71: first defined
here
ld: libsim.a(engine.o):sim/v850/idecode.h:71: multiple definition of
idecode_issue'; libsim.a(irun.o):sim/v850/idecode.h:71: first defined
here
ld: libsim.a(support.o):sim/v850/idecode.h:71: multiple definition of
idecode_issue'; libsim.a(irun.o):sim/v850/idecode.h:71: first defined
here
ld: libsim.a(semantics.o):sim/v850/idecode.h:71: multiple definition
of idecode_issue'; libsim.a(irun.o):sim/v850/idecode.h:71: first
defined here

sim/igen

PR sim/26194

* lf.h (lf_get_file_type): Declare.
* lf.c (lf_get_file_type): Define.
* gen-idecode.c (print_idecode_issue_function_header): Use
lf_get_file_type() to issue an extern variable declaration in
case of header files.

Content

Im Rohformat exportieren 
dnl Note that this file is intended to be included at the m4 level and not
dnl the shell level, so use sinclude(...) to pull it in.

# WHEN ADDING ENTRIES TO THIS MATRIX:

# Make sure that the left side always has two dashes.  Otherwise you
# can get spurious matches.  Even for unambiguous cases, do this as a
# convention, else the table becomes a real mess to understand and
# maintain.

dnl glue to avoid code duplication at top level
m4_ifndef([SIM_ARCH], [AC_DEFUN([SIM_ARCH],[sim_arch=$1])])

sim_igen=no
sim_arch=
case "${target}" in
   aarch64*-*-*)
       SIM_ARCH(aarch64)
       ;;
   arm*-*-*)
       SIM_ARCH(arm)
       ;;
   avr*-*-*)
       SIM_ARCH(avr)
       ;;
   bfin-*-*)
       SIM_ARCH(bfin)
       ;;
   cr16*-*-*)
       SIM_ARCH(cr16)
       ;;
   cris-*-* | crisv32-*-*)
       SIM_ARCH(cris)
       ;;
   d10v-*-*)
       SIM_ARCH(d10v)
       ;;
   frv-*-*)
       SIM_ARCH(frv)
       ;;
   h8300*-*-*)
       SIM_ARCH(h8300)
       ;;
   iq2000-*-*)
       SIM_ARCH(iq2000)
       ;;
   lm32-*-*)
       SIM_ARCH(lm32)
       ;;
   m32c-*-*)
       SIM_ARCH(m32c)
       ;;
   m32r-*-*)
       SIM_ARCH(m32r)
       ;;
   m68hc11-*-*|m6811-*-*)
       SIM_ARCH(m68hc11)
       ;;
   mcore-*-*)
       SIM_ARCH(mcore)
       ;;
   microblaze-*-*)
       SIM_ARCH(microblaze)
       ;;
   mips*-*-*)
       SIM_ARCH(mips)
       sim_igen=yes
       ;;
   mn10300*-*-*)
       SIM_ARCH(mn10300)
       sim_igen=yes
       ;;
   moxie-*-*)
       SIM_ARCH(moxie)
       ;;
   msp430*-*-*)
       SIM_ARCH(msp430)
       ;;
   or1k-*-* | or1knd-*-*)
       SIM_ARCH(or1k)
       ;;
   pru*-*-*)
       SIM_ARCH(pru)
       ;;
   rl78-*-*)
       SIM_ARCH(rl78)
       ;;
   rx-*-*)
       SIM_ARCH(rx)
       ;;
   sh64*-*-*)
       SIM_ARCH(sh64)
       ;;
   sh*-*-*)
       SIM_ARCH(sh)
       ;;
   sparc-*-rtems*|sparc-*-elf*)
       SIM_ARCH(erc32)
       ;;
   powerpc*-*-*)
       SIM_ARCH(ppc)
       ;;
   ft32-*-*)
       SIM_ARCH(ft32)
       ;;
   v850*-*-*)
       SIM_ARCH(v850)
       sim_igen=yes
       ;;
esac
AC_SUBST(sim_arch)