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author | Mark Kettenis <kettenis@gnu.org> | 2004-07-17 11:03:49 +0000 |
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committer | Mark Kettenis <kettenis@gnu.org> | 2004-07-17 11:03:49 +0000 |
commit | 7ddd7709149d9789a53d455f7bc9ba4c83635608 (patch) | |
tree | 6906ba596995be648bcfdae8ac16650d94143760 /gdb/vaxbsd-nat.c | |
parent | 2c07db7ac031ac855c833c5ceed59763d4011290 (diff) | |
download | binutils-7ddd7709149d9789a53d455f7bc9ba4c83635608.zip binutils-7ddd7709149d9789a53d455f7bc9ba4c83635608.tar.gz binutils-7ddd7709149d9789a53d455f7bc9ba4c83635608.tar.bz2 |
* vaxbsd-nat.c: Include <sys/types.h>, <machine/pcb.h> and
"bsd-kvm.h".
(vaxbsd_supply_pcb): New function.
(_initialize_vaxbsd_nat): New prototype and function.
* config/vax/nbsdaout.mh (NATDEPFILES): Add bsd-kvm.o, solib.o and
solib-sunos.o.
(LOADLIBES): New variable.
* config/vax/nbsdelf.mh (NATDEPFILES): Add bsd-kvm.o.
(LOADLIBES): New variable.
* config/vax/obsd.mh (NATDEPFILES): Add bsd-kvm.o.
(LOADLIBES): New variable.
* Makefile.in (vaxbsd-nat.o): Update dependencies.
Diffstat (limited to 'gdb/vaxbsd-nat.c')
-rw-r--r-- | gdb/vaxbsd-nat.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/gdb/vaxbsd-nat.c b/gdb/vaxbsd-nat.c index d2757c5..0529f3e 100644 --- a/gdb/vaxbsd-nat.c +++ b/gdb/vaxbsd-nat.c @@ -92,3 +92,47 @@ store_inferior_registers (int regnum) (PTRACE_ARG3_TYPE) ®s, 0) == -1) perror_with_name ("Couldn't write registers"); } + + +/* Support for debugging kernel virtual memory images. */ + +#include <sys/types.h> +#include <machine/pcb.h> + +#include "bsd-kvm.h" + +static int +vaxbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb) +{ + int regnum; + + /* The following is true for OpenBSD 3.5: + + The pcb contains the register state at the context switch inside + cpu_switch(). */ + + /* The stack pointer shouldn't be zero. */ + if (pcb->KSP == 0) + return 0; + + for (regnum = VAX_R0_REGNUM; regnum < VAX_AP_REGNUM; regnum++) + regcache_raw_supply (regcache, regnum, &pcb->R[regnum - VAX_R0_REGNUM]); + regcache_raw_supply (regcache, VAX_AP_REGNUM, &pcb->AP); + regcache_raw_supply (regcache, VAX_FP_REGNUM, &pcb->FP); + regcache_raw_supply (regcache, VAX_SP_REGNUM, &pcb->KSP); + regcache_raw_supply (regcache, VAX_PC_REGNUM, &pcb->PC); + regcache_raw_supply (regcache, VAX_PS_REGNUM, &pcb->PSL); + + return 1; +} + + +/* Provide a prototype to silence -Wmissing-prototypes. */ +void _initialize_vaxbsd_nat (void); + +void +_initialize_vaxbsd_nat (void) +{ + /* Support debugging kernel virtual memory images. */ + bsd_kvm_add_target (vaxbsd_supply_pcb); +} |