From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hamish Moffatt Date: Sat, 20 Oct 2007 11:03:52 +1000 Subject: [Buildroot] [buildroot 0001542]: arm gcc-4.1.2 + oabi + soft floats fails to build In-Reply-To: <4718F974.3010404@promwad.com> References: <90e28420e271f11d8ba34a6bf88df8e2@bugs.uclibc.org> <4718F974.3010404@promwad.com> Message-ID: <20071020010352.GA14795@cloud.net.au> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net On Fri, Oct 19, 2007 at 09:37:40PM +0300, Ivan Kuten wrote: > It compiled successfully but > > readelf -h build_arm/staging_dir/lib/libuClibc-0.9.29.so > ELF Header: > Magic: 7f 45 4c 46 01 01 01 61 00 00 00 00 00 00 00 00 > Class: ELF32 > Data: 2's complement, little endian > Version: 1 (current) > OS/ABI: ARM > ABI Version: 0 > Type: DYN (Shared object file) > Machine: ARM > Version: 0x1 > Entry point address: 0xa520 > Start of program headers: 52 (bytes into file) > Start of section headers: 525932 (bytes into file) > Flags: 0x202, has entry point, GNU EABI, software FP > > > Seems I get anyway EABI not OABI. Can you confirm this? Hmm. readelf tells me the same thing, but "objdump -p" says otherwise. [10:58AM] hamish at bach:staging_dir/usr/lib $ ../bin/armeb-linux-objdump -p libuClibc-0.9.29.so libuClibc-0.9.29.so: file format elf32-bigarm Program Header: PHDR off 0x00000034 vaddr 0x00000034 paddr 0x00000034 align 2**2 filesz 0x000000c0 memsz 0x000000c0 flags r-x INTERP off 0x000378f8 vaddr 0x000378f8 paddr 0x000378f8 align 2**3 filesz 0x00000018 memsz 0x00000018 flags r-- LOAD off 0x00000000 vaddr 0x00000000 paddr 0x00000000 align 2**15 filesz 0x00037910 memsz 0x00037910 flags r-x LOAD off 0x00037ce4 vaddr 0x0003fce4 paddr 0x0003fce4 align 2**15 filesz 0x0000067c memsz 0x00004834 flags rw- DYNAMIC off 0x00037dd8 vaddr 0x0003fdd8 paddr 0x0003fdd8 align 2**2 filesz 0x000000b8 memsz 0x000000b8 flags rw- RELRO off 0x00037ce4 vaddr 0x0003fce4 paddr 0x0003fce4 align 2**0 filesz 0x0000031c memsz 0x0000031c flags r-- Dynamic Section: NEEDED ld-uClibc.so.0 SONAME libc.so.0 INIT 0x32f10 HASH 0xf4 STRTAB 0x5970 SYMTAB 0x1930 STRSZ 0x260d SYMENT 0x10 PLTGOT 0x3fe90 PLTRELSZ 0x160 PLTREL 0x11 JMPREL 0x83a8 REL 0x7f80 RELSZ 0x428 RELENT 0x8 BIND_NOW 0x0 FLAGS_1 0x1 RELCOUNT 0x5b private flags = 202: [APCS-32] [FPA float format] [software FP] [has entry point] APCS-32 is OABI, while EABI shows as AAPCS. readelf tells me EABI for binaries built with an old gcc-3.4.4 too. Hamish -- Hamish Moffatt VK3SB