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* amd64fbsd-nat.c: Include <sys/types.h, <machine/pcb.h> and

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"bsd-kvm.h".
(amd64fbsd_supply_pcb): New funcion.
(_initialize_amd64fbsd_nat): Enable libkvm interface.
This commit is contained in:
Mark Kettenis 2004-06-27 15:44:22 +00:00
parent 727e493d45
commit 315c4276b1
2 changed files with 51 additions and 0 deletions
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7
gdb/ChangeLog
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@ -1,3 +1,10 @@
2004-06-27 Mark Kettenis <kettenis@gnu.org>
* amd64fbsd-nat.c: Include <sys/types.h, <machine/pcb.h> and
"bsd-kvm.h".
(amd64fbsd_supply_pcb): New funcion.
(_initialize_amd64fbsd_nat): Enable libkvm interface.
2004-06-27 <david@streamline-computing.com>
Partial fix for PR cli/1056.

44
gdb/amd64fbsd-nat.c
View file

@ -91,6 +91,47 @@ static int amd64fbsd32_r_reg_offset[I386_NUM_GREGS] =
};
/* Support for debugging kernel virtual memory images. */
#include <sys/types.h>
#include <machine/pcb.h>
#include "bsd-kvm.h"
static int
amd64fbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb)
{
/* The following is true for FreeBSD 5.2:
The pcb contains %rip, %rbx, %rsp, %rbp, %r12, %r13, %r14, %r15,
%ds, %es, %fs and %gs. This accounts for all callee-saved
registers specified by the psABI and then some. Here %esp
contains the stack pointer at the point just after the call to
cpu_switch(). From this information we reconstruct the register
state as it would like when we just returned from cpu_switch(). */
/* The stack pointer shouldn't be zero. */
if (pcb->pcb_rsp == 0)
return 0;
pcb->pcb_rsp += 8;
regcache_raw_supply (regcache, AMD64_RIP_REGNUM, &pcb->pcb_rip);
regcache_raw_supply (regcache, AMD64_RBX_REGNUM, &pcb->pcb_rbx);
regcache_raw_supply (regcache, AMD64_RSP_REGNUM, &pcb->pcb_rsp);
regcache_raw_supply (regcache, AMD64_RBP_REGNUM, &pcb->pcb_rbp);
regcache_raw_supply (regcache, 12, &pcb->pcb_r12);
regcache_raw_supply (regcache, 13, &pcb->pcb_r13);
regcache_raw_supply (regcache, 14, &pcb->pcb_r14);
regcache_raw_supply (regcache, 15, &pcb->pcb_r15);
regcache_raw_supply (regcache, AMD64_DS_REGNUM, &pcb->pcb_ds);
regcache_raw_supply (regcache, AMD64_ES_REGNUM, &pcb->pcb_es);
regcache_raw_supply (regcache, AMD64_FS_REGNUM, &pcb->pcb_fs);
regcache_raw_supply (regcache, AMD64_GS_REGNUM, &pcb->pcb_gs);
return 1;
}
/* Provide a prototype to silence -Wmissing-prototypes. */
void _initialize_amd64fbsd_nat (void);
@ -178,4 +219,7 @@ Please report this to <bug-gdb@gnu.org>.",
amd64fbsd_sigtramp_end_addr = ps_strings;
}
}
/* Support debugging kernel virtual memory images. */
bsd_kvm_add_target (amd64fbsd_supply_pcb);
}