On 2018-Nov-3, at 12:51 PM, Konstantin Belousov <kostikbel at gmail.com> wrote:
> On Sat, Nov 03, 2018 at 12:04:53PM -0700, Mark Millard wrote: >> 80903 ld-elf.so.1 CALL >> mmap(0x10000,0xb000,0<PROT_NONE>,0x6010<MAP_FIXED|MAP_GUARD|MAP_EXCL>,0xffffffff,0x10000,0,0) >> 80903 ld-elf.so.1 RET mmap -1 errno 12 Cannot allocate memory > > This is the allocation of VA for the whole binary. I guess that the normal > non-PIE binary virtual base on arm is 0x10000. > > I put the arm PIE base at 0x12000, which obviously causes the conflict > between pre-loaded ld-elf.so.1 and later attempt to mmap the binary at > the linked address. In fact I am happy that we added MAP_EXCL and it > catched the situation. > > You can try to change ET_DYN_LOAD_ADDR on arm: > > diff --git a/sys/arm/include/elf.h b/sys/arm/include/elf.h > index 7424b45e78f..28fc14e3dae 100644 > --- a/sys/arm/include/elf.h > +++ b/sys/arm/include/elf.h > @@ -84,7 +84,7 @@ __ElfType(Auxinfo); > */ > #define MAGIC_TRAMP_NUMBER 0x5c000003 > > -#define ET_DYN_LOAD_ADDR 0x12000 > +#define ET_DYN_LOAD_ADDR 0x500000 > > /* Flags passed in AT_HWCAP. */ > #define HWCAP_SWP 0x00000001 /* Unsupported, never > set. */ I finally got to building-for, installing-on, booting-the, and testing-the armv7 issue. The change worked: # /libexec/ld-elf.so.1 /bin/ls -c1 .cshrc .history .k5login .lesshst .lldb .login .profile .shrc .subversion (and so on). === Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar) _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
