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author | Aníbal Limón <anibal.limon@linux.intel.com> | 2015-03-26 16:19:58 +0000 |
---|---|---|
committer | Simon Horman <horms@verge.net.au> | 2015-04-07 10:22:15 +0900 |
commit | 5edcbfd1368e84fce913ceeeca7b712c524dc20d (patch) | |
tree | b9adc4423ce3f180d8742364fc75e20d0bddbf54 /configure.ac | |
parent | 720d110389f20012b478d376abcb3121c2fcb075 (diff) |
x86_64: Add support to build kexec-tools with x32 ABI
Summary of changes,
configure.ac: Add test for detect x32 ABI.
purgatory/arch/x86_64/Makefile: Not use mcmodel large when
x32 ABI is set.
kexec/arch/x86_64/kexec-elf-rel-x86_64.c: When x32 ABI is set
use ELFCLASS32 instead of ELFCLASS64.
kexec/kexec-syscall.h: Add correct syscall number for x32 ABI.
Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com>
Signed-off-by: Mariano Lopez <mariano.lopez@linux.intel.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index c410e90..1ecadd5 100644 --- a/configure.ac +++ b/configure.ac @@ -52,6 +52,15 @@ case $target_cpu in ;; ia64|x86_64|alpha|m68k ) ARCH="$target_cpu" + + dnl ---Test for x32 ABI in x86_64 + if test "x$ARCH" = "xx86_64" ; then + AC_EGREP_CPP(x32_test, + [#if defined(__x86_64__) && defined (__ILP32__) + x32_test + #endif + ], SUBARCH='x32', SUBARCH='64') + fi ;; * ) AC_MSG_ERROR([unsupported architecture $target_cpu]) |