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| author | Elena Zannoni <ezannoni@kwikemart.cygnus.com> | 2003-07-17 12:49:52 +0000 |
|---|---|---|
| committer | Elena Zannoni <ezannoni@kwikemart.cygnus.com> | 2003-07-17 12:49:52 +0000 |
| commit | c43af07cc890456dbf2562a836961f59f216d880 (patch) | |
| tree | 808eb30c76614daefe0f6bf4d45c23d6b3342a1e /gdb/x86-64-linux-nat.c | |
| parent | 5c7556e8712e1d67d4b68aff95df9a7876e5c932 (diff) | |
| download | fsf-binutils-gdb-c43af07cc890456dbf2562a836961f59f216d880.zip fsf-binutils-gdb-c43af07cc890456dbf2562a836961f59f216d880.tar.gz fsf-binutils-gdb-c43af07cc890456dbf2562a836961f59f216d880.tar.bz2 | |
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.
Diffstat (limited to 'gdb/x86-64-linux-nat.c')
| -rw-r--r-- | gdb/x86-64-linux-nat.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gdb/x86-64-linux-nat.c b/gdb/x86-64-linux-nat.c index c44c35e..87b69c9 100644 --- a/gdb/x86-64-linux-nat.c +++ b/gdb/x86-64-linux-nat.c @@ -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. */ +} + |