Author: jhibbits
Date: Wed Jul 24 02:48:29 2019
New Revision: 350270
URL: https://svnweb.freebsd.org/changeset/base/350270
Log:
MFC r349874
powerpc: Clamp 32-bit binaries to 32-bit MAXUSER
sv_maxuser specifies the maximum addressable space for user space. Presently
this is all 64-bits worth, which is impossible for a 32-bit process.
This bug has existed since the initial import of powerpc64 in 2010.
Modified:
stable/12/sys/powerpc/powerpc/elf32_machdep.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/powerpc/powerpc/elf32_machdep.c
==============================================================================
--- stable/12/sys/powerpc/powerpc/elf32_machdep.c Wed Jul 24 02:37:39
2019 (r350269)
+++ stable/12/sys/powerpc/powerpc/elf32_machdep.c Wed Jul 24 02:48:29
2019 (r350270)
@@ -98,7 +98,7 @@ struct sysentvec elf32_freebsd_sysvec = {
.sv_minuser = VM_MIN_ADDRESS,
.sv_stackprot = VM_PROT_ALL,
#ifdef __powerpc64__
- .sv_maxuser = VM_MAXUSER_ADDRESS,
+ .sv_maxuser = VM_MAXUSER_ADDRESS32,
.sv_usrstack = FREEBSD32_USRSTACK,
.sv_psstrings = FREEBSD32_PS_STRINGS,
.sv_copyout_strings = freebsd32_copyout_strings,
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