freebsd-dev/sys/ia64
Peter Wemm 62919d788b Jumbo-commit to enhance 32 bit application support on 64 bit kernels.
This is good enough to be able to run a RELENG_4 gdb binary against
a RELENG_4 application, along with various other tools (eg: 4.x gcore).
We use this at work.

ia32_reg.[ch]: handle the 32 bit register file format, used by ptrace,
	procfs and core dumps.
procfs_*regs.c: vary the format of proc/XXX/*regs depending on the client
	and target application.
procfs_map.c: Don't print a 64 bit value to 32 bit consumers, or their
	sscanf fails.  They expect an unsigned long.
imgact_elf.c: produce a valid 32 bit coredump for 32 bit apps.
sys_process.c: handle 32 bit consumers debugging 32 bit targets.  Note
	that 64 bit consumers can still debug 32 bit targets.

IA64 has got stubs for ia32_reg.c.

Known limitations: a 5.x/6.x gdb uses get/setcontext(), which isn't
implemented in the 32/64 wrapper yet.  We also make a tiny patch to
gdb pacify it over conflicting formats of ld-elf.so.1.

Approved by:	re
2005-06-30 07:49:22 +00:00
..
acpica Move the code for halting the CPU (acpi_cpu_c1) into machdep files. 2004-10-11 05:39:15 +00:00
compile
conf Add .cvsignore files just like in sys/<arch>/compiled, this keeps CVS from 2005-06-20 16:52:59 +00:00
disasm /* -> /*- for copyright notices, minor format tweaks as necessary 2005-01-06 22:18:23 +00:00
ia32 Jumbo-commit to enhance 32 bit application support on 64 bit kernels. 2005-06-30 07:49:22 +00:00
ia64 Handle B-unit break instructions. The break.b is unique in that the 2005-06-27 23:51:38 +00:00
include Define IPI_PREEMPT. Update a nearby comment while I'm here. 2005-06-12 19:03:01 +00:00
isa - Move bus dependent defines to {isa,cbus}_dmareg.h. 2005-05-14 10:14:56 +00:00
pci Delete legacy pcib code - we can't possibly work without acpi on ia64. 2001-10-06 10:09:57 +00:00