Date: Wed, 10 Apr 2002 14:53:14 +0900 (JST) From: Atsuo Ohki <ohki@gssm.otsuka.tsukuba.ac.jp> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/36952: ldd comand of linux does not work Message-ID: <200204100553.g3A5rEC02288@smr01.gssm.otsuka.tsukuba.ac.jp>
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>Number: 36952
>Category: kern
>Synopsis: ldd comand of linux does not work
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Tue Apr 09 23:00:01 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: Atsuo Ohki
>Release: FreeBSD 4.5-RELEASE i386
>Organization:
gssm, University of Tsukuba, Tokyo
>Environment:
System: FreeBSD smr01 4.5-RELEASE FreeBSD 4.5-RELEASE #0: Wed Feb 27 19:18:56 JST 2002 ohki@smr01:/usr/src/sys/compile/gssm i386
>Description:
ldd command of linux does not work.
>How-To-Repeat:
/compat/linux/usr/bin/ldd /compat/linux/bin/uname
>Fix:
--- sys/kern/imgact_elf.c-ORIG Mon Dec 17 03:26:16 2001
+++ sys/kern/imgact_elf.c Wed Feb 27 18:46:49 2002
@@ -469,10 +469,17 @@
const char *interp = NULL;
Elf_Brandinfo *brand_info;
char *path;
+ int fallback_elf_brand_val = fallback_elf_brand;
/*
* Do we have a valid ELF header ?
*/
+ if (bcmp("Linux ", imgp->proc->p_sysent->sv_name, 6) == 0) {
+ if (elf_check_header(hdr) != 0 ||
+ (hdr->e_type != ET_EXEC && hdr->e_type != ET_DYN))
+ return -1;
+ fallback_elf_brand_val = ELFOSABI_LINUX;
+ } else
if (elf_check_header(hdr) != 0 || hdr->e_type != ET_EXEC)
return -1;
@@ -616,7 +623,7 @@
for (i = 0; i < MAX_BRANDS; i++) {
Elf_Brandinfo *bi = elf_brand_list[i];
- if (bi != NULL && fallback_elf_brand == bi->brand) {
+ if (bi != NULL && fallback_elf_brand_val == bi->brand) {
brand_info = bi;
break;
}
>Release-Note:
>Audit-Trail:
>Unformatted:
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