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check for x32 targets

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Add configure detection of the new x32 ABI as well as support in asm.

Change-Id: Ic66a069599adeb81062090e3f11b71ee1fb97cb8
This commit is contained in:
Mike Frysinger
2012-09-25 00:37:11 -04:00
parent eb492100cd
commit a75a9cf2fd
2 changed files with 15 additions and 0 deletions
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5
build/make/configure.sh
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@@ -989,6 +989,11 @@ process_common_toolchain() {
x86*) x86*)
bits=32 bits=32
enabled x86_64 && bits=64 enabled x86_64 && bits=64
check_cpp <<EOF && bits=x32
#ifndef __ILP32__
#error "not x32"
#endif
EOF
soft_enable runtime_cpu_detect soft_enable runtime_cpu_detect
soft_enable mmx soft_enable mmx
soft_enable sse soft_enable sse

10
vpx_ports/x86_abi_support.asm
View File

@@ -88,6 +88,8 @@
%define sym(x) x %define sym(x) x
%elifidn __OUTPUT_FORMAT__,elf64 %elifidn __OUTPUT_FORMAT__,elf64
%define sym(x) x %define sym(x) x
%elifidn __OUTPUT_FORMAT__,elfx32
%define sym(x) x
%elifidn __OUTPUT_FORMAT__,x64 %elifidn __OUTPUT_FORMAT__,x64
%define sym(x) x %define sym(x) x
%else %else
@@ -110,6 +112,8 @@
%define PRIVATE :hidden %define PRIVATE :hidden
%elifidn __OUTPUT_FORMAT__,elf64 %elifidn __OUTPUT_FORMAT__,elf64
%define PRIVATE :hidden %define PRIVATE :hidden
%elifidn __OUTPUT_FORMAT__,elfx32
%define PRIVATE :hidden
%elifidn __OUTPUT_FORMAT__,x64 %elifidn __OUTPUT_FORMAT__,x64
%define PRIVATE %define PRIVATE
%else %else
@@ -223,6 +227,9 @@
%ifidn __OUTPUT_FORMAT__,elf64 %ifidn __OUTPUT_FORMAT__,elf64
%define WRT_PLT wrt ..plt %define WRT_PLT wrt ..plt
%define HIDDEN_DATA(x) x:data hidden %define HIDDEN_DATA(x) x:data hidden
%elifidn __OUTPUT_FORMAT__,elfx32
%define WRT_PLT wrt ..plt
%define HIDDEN_DATA(x) x:data hidden
%else %else
%define HIDDEN_DATA(x) x %define HIDDEN_DATA(x) x
%endif %endif
@@ -364,5 +371,8 @@ section .text
%elifidn __OUTPUT_FORMAT__,elf64 %elifidn __OUTPUT_FORMAT__,elf64
section .note.GNU-stack noalloc noexec nowrite progbits section .note.GNU-stack noalloc noexec nowrite progbits
section .text section .text
%elifidn __OUTPUT_FORMAT__,elfx32
section .note.GNU-stack noalloc noexec nowrite progbits
section .text
%endif %endif