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85f7484a3a
This patch adds GNU attribute support to m68k and utilises it to tag the floating-point calling convention used (hard-float or soft-float). It enables the linker to ensure linked objects use a consistent floating-point ABI and allows tools like GDB to infer the ABI used from the ELF file. It is based on similar work done for PowerPC. bfd/ * elf32-m68k.c (m68k_elf_merge_obj_attributes): New function. (elf32_m68k_merge_private_bfd_data): Merge GNU attributes. binutils/ * readelf.c (display_m68k_gnu_attribute): New function. (process_arch_specific): Call display_m68k_gnu_attribute for EM_68K. gas/ * config/tc-m68k.c (m68k_elf_gnu_attribute): New function. (md_pseudo_table): Handle "gnu_attribute". * doc/as.texi: Document GNU attribute for M68K. include/ * elf/m68k.h: Add enum for GNU object attribute with floating point tag name and values. ld/ * testsuite/ld-m68k/attr-gnu-4-0.s: New file. * testsuite/ld-m68k/attr-gnu-4-1.s: Likewise. * testsuite/ld-m68k/attr-gnu-4-2.s: Likewise. * testsuite/ld-m68k/attr-gnu-4-00.d: Likewise. * testsuite/ld-m68k/attr-gnu-4-01.d: Likewise. * testsuite/ld-m68k/attr-gnu-4-02.d: Likewise. * testsuite/ld-m68k/attr-gnu-4-10.d: Likewise. * testsuite/ld-m68k/attr-gnu-4-11.d: Likewise. * testsuite/ld-m68k/attr-gnu-4-12.d: Likewise. * testsuite/ld-m68k/attr-gnu-4-20.d: Likewise. * testsuite/ld-m68k/attr-gnu-4-21.d: Likewise. * testsuite/ld-m68k/attr-gnu-4-22.d: Likewise. * testsuite/ld-m68k/m68k.exp: Run the new tests. |
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.. | ||
all.texi | ||
as.texi | ||
c-aarch64.texi | ||
c-alpha.texi | ||
c-arc.texi | ||
c-arm.texi | ||
c-avr.texi | ||
c-bfin.texi | ||
c-bpf.texi | ||
c-cr16.texi | ||
c-cris.texi | ||
c-csky.texi | ||
c-d10v.texi | ||
c-d30v.texi | ||
c-epiphany.texi | ||
c-h8300.texi | ||
c-hppa.texi | ||
c-i386.texi | ||
c-ia64.texi | ||
c-ip2k.texi | ||
c-lm32.texi | ||
c-m32c.texi | ||
c-m32r.texi | ||
c-m68hc11.texi | ||
c-m68k.texi | ||
c-metag.texi | ||
c-microblaze.texi | ||
c-mips.texi | ||
c-mmix.texi | ||
c-msp430.texi | ||
c-mt.texi | ||
c-nds32.texi | ||
c-nios2.texi | ||
c-ns32k.texi | ||
c-or1k.texi | ||
c-pdp11.texi | ||
c-pj.texi | ||
c-ppc.texi | ||
c-pru.texi | ||
c-riscv.texi | ||
c-rl78.texi | ||
c-rx.texi | ||
c-s12z.texi | ||
c-s390.texi | ||
c-score.texi | ||
c-sh.texi | ||
c-sparc.texi | ||
c-tic6x.texi | ||
c-tic54x.texi | ||
c-tilegx.texi | ||
c-tilepro.texi | ||
c-v850.texi | ||
c-vax.texi | ||
c-visium.texi | ||
c-wasm32.texi | ||
c-xc16x.texi | ||
c-xgate.texi | ||
c-xstormy16.texi | ||
c-xtensa.texi | ||
c-z8k.texi | ||
c-z80.texi | ||
fdl.texi | ||
h8.texi | ||
internals.texi | ||
Makefile.am | ||
Makefile.in |