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2003-07-17 Elena Zannoni <ezannoni@redhat.com>

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* Makefile.in (x86-64-linux-nat.o): Update dependencies.
	* x86-64-linux-nat.c (ps_get_thread_area): New function.  Add
	include of asm/prctl.h, asm/ptrace.h, and gdb_proc_service.h.
This commit is contained in:
Elena Zannoni 2003-07-17 12:49:52 +00:00
parent 5c7556e871
commit c43af07cc8
3 changed files with 48 additions and 1 deletions
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6
gdb/ChangeLog
View File

@ -1,3 +1,9 @@
2003-07-17 Elena Zannoni <ezannoni@redhat.com>
* Makefile.in (x86-64-linux-nat.o): Update dependencies.
* x86-64-linux-nat.c (ps_get_thread_area): New function. Add
include of asm/prctl.h, asm/ptrace.h, and gdb_proc_service.h.
2003-07-16 Theodore A. Roth <troth@openavr.org>
* avr-tdep.c (avr_skip_prologue): Return PC unchanged if no prologue

2
gdb/Makefile.in
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@ -2374,7 +2374,7 @@ wince.o: wince.c $(defs_h) $(frame_h) $(inferior_h) $(target_h) $(gdbcore_h) \
wrapper.o: wrapper.c $(defs_h) $(value_h) $(wrapper_h)
x86-64-linux-nat.o: x86-64-linux-nat.c $(defs_h) $(inferior_h) $(gdbcore_h) \
$(regcache_h) $(gdb_assert_h) $(gdb_string_h) $(gregset_h) \
$(x86_64_tdep_h)
$(x86_64_tdep_h) $(gdb_proc_service_h)
x86-64-linux-tdep.o: x86-64-linux-tdep.c $(defs_h) $(inferior_h) $(gdbcore_h) \
$(regcache_h) $(osabi_h) $(gdb_string_h) $(x86_64_tdep_h)
x86-64-tdep.o: x86-64-tdep.c $(defs_h) \

41
gdb/x86-64-linux-nat.c
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@ -32,7 +32,17 @@
#include <sys/debugreg.h>
#include <sys/syscall.h>
#include <sys/procfs.h>
#include <asm/prctl.h>
/* FIXME ezannoni-2003-07-09: we need <sys/reg.h> to be included after
<asm/ptrace.h> because the latter redefines FS and GS for no apparent
reason, and those definitions don't match the ones that libpthread_db
uses, which come from <sys/reg.h>. */
/* ezannoni-2003-07-09: I think this is fixed. The extraneous defs have
been removed from ptrace.h in the kernel. However, better safe than
sorry. */
#include <asm/ptrace.h>
#include <sys/reg.h>
#include "gdb_proc_service.h"
/* Prototypes for supply_gregset etc. */
#include "gregset.h"
@ -306,3 +316,34 @@ x86_64_linux_dr_get_status (void)
{
return x86_64_linux_dr_get (DR_STATUS);
}
extern ps_err_e
ps_get_thread_area (const struct ps_prochandle *ph,
lwpid_t lwpid, int idx, void **base)
{
/* This definition comes from prctl.h, but some kernels may not have it. */
#ifndef PTRACE_ARCH_PRCTL
#define PTRACE_ARCH_PRCTL 30
#endif
/* FIXME: ezannoni-2003-07-09 see comment above about include file order.
We could be getting bogus values for these two. */
gdb_assert (FS < ELF_NGREG);
gdb_assert (GS < ELF_NGREG);
switch (idx)
{
case FS:
if (ptrace (PTRACE_ARCH_PRCTL, lwpid, base, ARCH_GET_FS) == 0)
return PS_OK;
break;
case GS:
if (ptrace (PTRACE_ARCH_PRCTL, lwpid, base, ARCH_GET_GS) == 0)
return PS_OK;
break;
default: /* Should not happen. */
return PS_BADADDR;
}
return PS_ERR; /* ptrace failed. */
}