PERFORCE change 126891 for review
Peter Wemm
peter at FreeBSD.org
Thu Sep 27 15:20:58 PDT 2007
http://perforce.freebsd.org/chv.cgi?CH=126891
Change 126891 by peter at peter_daintree on 2007/09/27 22:20:51
WIP - attempt to fall back from ld-elf32.so.1 to ld-elf.so.1
Affected files ...
.. //depot/projects/hammer/sys/kern/imgact_elf.c#41 edit
Differences ...
==== //depot/projects/hammer/sys/kern/imgact_elf.c#41 (text+ko) ====
@@ -605,7 +605,7 @@
u_long seg_size, seg_addr;
u_long addr, entry = 0, proghdr = 0;
int error = 0, i;
- const char *interp = NULL;
+ const char *interp = NULL, *newinterp = NULL;
Elf_Brandinfo *brand_info;
char *path;
struct thread *td = curthread;
@@ -654,7 +654,7 @@
return (ENOEXEC);
sv = brand_info->sysvec;
if (interp != NULL && brand_info->interp_newpath != NULL)
- interp = brand_info->interp_newpath;
+ newinterp = brand_info->interp_newpath;
/*
* Avoid a possible deadlock if the current address space is destroyed
@@ -786,6 +786,7 @@
imgp->entry_addr = entry;
if (interp != NULL) {
+ int have_interp = FALSE;
VOP_UNLOCK(imgp->vp, 0, td);
if (brand_info->emul_path != NULL &&
brand_info->emul_path[0] != '\0') {
@@ -796,9 +797,14 @@
&imgp->entry_addr, sv->sv_pagesize);
free(path, M_TEMP);
if (error == 0)
- interp = NULL;
+ have_interp = TRUE;
+ }
+ if (!have_interp && newinterp != NULL) {
+ error = __elfN(load_file)(imgp->proc, newinterp, &addr,
+ &imgp->entry_addr, sv->sv_pagesize);
+ have_interp = TRUE;
}
- if (interp != NULL) {
+ if (!have_interp) {
error = __elfN(load_file)(imgp->proc, interp, &addr,
&imgp->entry_addr, sv->sv_pagesize);
}
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