diff options
Diffstat (limited to 'gnu/usr.bin/binutils/gdb')
| -rw-r--r-- | gnu/usr.bin/binutils/gdb/config/vax/obsd.mh | 4 | ||||
| -rw-r--r-- | gnu/usr.bin/binutils/gdb/vaxbsd-nat.c | 46 |
2 files changed, 48 insertions, 2 deletions
diff --git a/gnu/usr.bin/binutils/gdb/config/vax/obsd.mh b/gnu/usr.bin/binutils/gdb/config/vax/obsd.mh index cad18322e30..299a38fd330 100644 --- a/gnu/usr.bin/binutils/gdb/config/vax/obsd.mh +++ b/gnu/usr.bin/binutils/gdb/config/vax/obsd.mh @@ -1,3 +1,5 @@ # Host: OpenBSD/vax -NATDEPFILES= vaxbsd-nat.o fork-child.o infptrace.o inftarg.o +NATDEPFILES= vaxbsd-nat.o bsd-kvm.o fork-child.o infptrace.o inftarg.o NAT_FILE= nm-obsd.h + +LOADLIBES= -lkvm diff --git a/gnu/usr.bin/binutils/gdb/vaxbsd-nat.c b/gnu/usr.bin/binutils/gdb/vaxbsd-nat.c index d3516f6b86b..0529f3eec7e 100644 --- a/gnu/usr.bin/binutils/gdb/vaxbsd-nat.c +++ b/gnu/usr.bin/binutils/gdb/vaxbsd-nat.c @@ -54,7 +54,7 @@ vaxbsd_collect_gregset (const struct regcache *regcache, for (i = 0; i <= VAX_NUM_REGS; i++) { if (regnum == -1 || regnum == i) - regcache_raw_collect (regcache, regnum, regs + i * 4); + regcache_raw_collect (regcache, i, regs + i * 4); } } @@ -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); +} |