kc3-lang/libffi/src/powerpc

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• Hash : f4435980
  Author :
  Date : 2020-10-27T23:36:21
  

  Power10 libffi fixes (#585) Power10 pc-relative code doesn't use or preserve r2 as a TOC pointer. That means calling between pc-relative and TOC using code can't be done without intervening linker stubs, and a call from TOC code to pc-relative code must have a nop after the bl in order to restore r2. Now the PowerPC libffi assembly code doesn't use r2 except for the implicit use when making calls back to C, ffi_closure_helper_LINUX64 and ffi_prep_args64. So changing the assembly to interoperate with pc-relative code without stubs is easily done. * src/powerpc/linux64.S (ffi_call_LINUX64): Don't emit global entry when __PCREL__. Call using @notoc. Add nops. * src/powerpc/linux64_closure.S (ffi_closure_LINUX64): Likewise. (ffi_go_closure_linux64): Likewise.

• Files

• aix.S
• aix_closure.S
• asm.h
• darwin.S
• darwin_closure.S
• ffi.c
• ffi_darwin.c
• ffi_linux64.c
• ffi_powerpc.h
• ffi_sysv.c
• ffitarget.h
• linux64.S
• linux64_closure.S
• ppc_closure.S
• sysv.S

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  Description	A portable foreign-function interface library.
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