[Buildroot] [Bug 4634] New: Bigendian binary is output even if it is configured to output little endian
bugzilla at busybox.net
bugzilla at busybox.net
Sun Dec 18 05:28:37 UTC 2011
https://bugs.busybox.net/show_bug.cgi?id=4634
Summary: Bigendian binary is output even if it is configured to
output little endian
Product: buildroot
Version: 2011.11
Platform: PC
OS/Version: Linux
Status: NEW
Severity: major
Priority: P5
Component: Other
AssignedTo: unassigned at buildroot.uclibc.org
ReportedBy: matusita at k-micro.com
CC: buildroot at uclibc.org
Estimated Hours: 0.0
I set build options as below in "make menuconfig" to build root filesystem:
Target Architecture (mipsel)
Target Architecture Variant (mips 32r2)
Toolcain-Toolchain type (External toolchain)
Toolcain-Toolchain (CodeSourcery MIPS 2011.03)
I expected that little enfian binary will be output because "mipsel" is
selected. But it was big endian.
I confirmed it by objdump with "-f" option like below.
% mips-linux-gnu-objdump -f busybox
busybox: file format elf32-tradbigmips <-- Big endian !!!
architecture: mips:isa32r2, flags 0x00000112:
EXEC_P, HAS_SYMS, D_PAGED
start address 0x00403f00
So, I saw following file:
toolchain/toolchain-external/ext-tool.mk
And I understand that this script get libraries' location by calling
(prefix)-gcc with following options:
-print-sysroot
-print-file-name=libc.a
But as for this toolchain(CodeSourcery MIPS 2011.03), it is need to set "-EL"
option as well to get correct location of little endian libraries.
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