If two signals are sent after each other without the process being run in
userspace between them then the second one will overwrite part of the signal
info stored on the userstack.
Fixed by rewriting and simplifying both the signal delivery code and the
trampoline code. Also bump signal version number to 2.
$NetBSD: README,v 1.25 2002/07/05 13:31:37 scw Exp $
acorn26: Acorn ARM2- and ARM3-based machines (arm)
acorn32: Acorn computers Ltd. ARM 6/7/SA based machines (arm)
algor: Algorithmics, Ltd. MIPS evaluation boards (mips)
alpha: Compaq (formerly Digital Equipment Corp.) Alpha (alpha)
amiga: Commodore et al. Amiga (m68k)
amigappc: Phase 5 Amiga (powerpc)
arc: MIPS Advanced Risc Computing spec machines (mips)
atari: Atari TT30, Falcon, and Hades (m68k)
bebox: Be Inc. BeBox (powerpc)
cats: Chalice Technologies, CATS motherboard (arm)
cesfic: FIC8234 VME processor board (m68k)
cobalt: Cobalt Networks Microservers (mips)
dreamcast: SEGA Dreamcast (sh3)
evbarm: ARM-based eval boards (arm)
evbmips: MIPS-based eval boards (mips)
evbsh3: Hitachi SuperH(TM) sh3 and sh4 eval boards (sh3)
evbsh5: Hitachi SuperH(TM) sh5 eval boards (sh5)
hp300: Hewlett Packard 300- and 400-series machines (m68k)
hp700: Hewlett Packard 700-series machines (hppa)
hpcarm: ARM based handheld PCs (arm)
hpcmips: MIPS based handheld PCs (mips)
hpcsh: Hitachi SuperH(TM) based handheld PCs (sh3)
i386: Intel/AMD etc. x86 processor line (i386)
ibmnws: IBM Network Station Thin Clients (powerpc)
luna68k: LUNA product line of OMRON Tateishi Electric (m68k)
mac68k: Apple Macintosh (m68k)
macppc: Apple Power Macintosh and clones (powerpc)
mipsco: MIPS Corp Magnum 3000 computers (mips)
mmeye: Hitachi SuperH(TM) computer controlled camera (sh3)
mvme68k: Motorola's VMEbus 68K based single board computers (m68k)
mvmeppc: Motorola's VMEbus PowerPC based single board computers (powerpc)
mvme88k: Motorola's VMEbus 88K based single board computers (m88k)
netwinder: StrongARM based Netwinder machines (arm)
news68k: Sony's NET WORK STATION (m68k)
newsmips: Sony's NET WORK STATION (mips)
next68k: NeXT Computer's cubes and slabs (m68k)
ofppc: Open Firmware based PowerPC machines (powerpc)
pc532: "PC-532" kit computer, based on NS 32532 CPU (ns32k)
playstation2: SONY PlayStation 2 (mips)
pmax: Digital Equipment Corp. MIPS based machines (mips)
pmppc: Artesyn PMPPC card (powerpc)
prep: PowerPC Reference Platform machines (powerpc)
sandpoint: Motorola Sandpoint reference platform (powerpc)
sbmips: Broadcom's SiByte processor evaluation boards (mips)
sgimips: MIPS based Silicon Graphics machines (mips)
shark: Digital Network Appliance Reference Design (pronounced "Shark")
machines (arm)
sparc: Sun Microsystems SPARC (sun4, sun4c, sun4m) 32 bit machines (sparc)
sparc64: Sun Microsystems UltraSPARC 64 bit machines (sparc64, sparc)
sun2: Sun m68010 based machines (m68k)
sun3: Sun m680[23]0 based machines (m68k)
vax: Digital Equipment Corp. VAX machines (vax)
walnut: IBM's PowerPC 405GP Reference Board (powerpc)
x68k: Sharp X68000, X68030 (m68k)
x86_64: AMD's x86 64 bit architecture on the simics simulator (x86_64)
Generic architectural features shared among multiple ports
arm: ARM cpu based platform files
hpc: Handheld PC reference platform files
hppa: Hewlett Packard PA-RISC cpu based platform files
m68k: Motorola 680x0 cpu based platform files
m88k: Motorola 88xxx cpu based platform files
mips: MIPS cpu based platform files
powerpc: PowerPC cpu based platform files
sh3: Hitachi SuperH(TM) sh3 and sh4 cpu based platform files
sh5: Hitachi SuperH(TM) sh5 cpu based platform files
sun68k: Sun Motorola 680x0 cpu based platform files
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