diff options
Diffstat (limited to 'gdb/proc-service.c')
| -rw-r--r-- | gdb/proc-service.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/gdb/proc-service.c b/gdb/proc-service.c index 04867d2..393cd90 100644 --- a/gdb/proc-service.c +++ b/gdb/proc-service.c @@ -126,13 +126,28 @@ ps_pdwrite (struct ps_prochandle *ph, psaddr_t addr, return ps_xfer_memory (ph, addr, (gdb_byte *) buf, size, 1); } +/* Get a regcache for LWPID using its inferior's "main" architecture, + which is the register set libthread_db expects to be using. In + multi-arch debugging scenarios, the thread's architecture may + differ from the inferior's "main" architecture. E.g., in the Cell + combined debugger, if GDB happens to interrupt SPU code, the + thread's architecture is SPU, and the main architecture is + PowerPC. */ + +static struct regcache * +get_ps_regcache (struct ps_prochandle *ph, lwpid_t lwpid) +{ + inferior *inf = ph->thread->inf; + return get_thread_arch_regcache (ptid_t (inf->pid, lwpid), inf->gdbarch); +} + /* Get the general registers of LWP LWPID within the target process PH and store them in GREGSET. */ ps_err_e ps_lgetregs (struct ps_prochandle *ph, lwpid_t lwpid, prgregset_t gregset) { - struct regcache *regcache = get_thread_regcache (ph->thread); + struct regcache *regcache = get_ps_regcache (ph, lwpid); target_fetch_registers (regcache, -1); fill_gregset (regcache, (gdb_gregset_t *) gregset, -1); @@ -146,7 +161,7 @@ ps_lgetregs (struct ps_prochandle *ph, lwpid_t lwpid, prgregset_t gregset) ps_err_e ps_lsetregs (struct ps_prochandle *ph, lwpid_t lwpid, const prgregset_t gregset) { - struct regcache *regcache = get_thread_regcache (ph->thread); + struct regcache *regcache = get_ps_regcache (ph, lwpid); supply_gregset (regcache, (const gdb_gregset_t *) gregset); target_store_registers (regcache, -1); @@ -160,7 +175,7 @@ ps_lsetregs (struct ps_prochandle *ph, lwpid_t lwpid, const prgregset_t gregset) ps_err_e ps_lgetfpregs (struct ps_prochandle *ph, lwpid_t lwpid, gdb_prfpregset_t *fpregset) { - struct regcache *regcache = get_thread_regcache (ph->thread); + struct regcache *regcache = get_ps_regcache (ph, lwpid); target_fetch_registers (regcache, -1); fill_fpregset (regcache, (gdb_fpregset_t *) fpregset, -1); @@ -175,7 +190,7 @@ ps_err_e ps_lsetfpregs (struct ps_prochandle *ph, lwpid_t lwpid, const gdb_prfpregset_t *fpregset) { - struct regcache *regcache = get_thread_regcache (ph->thread); + struct regcache *regcache = get_ps_regcache (ph, lwpid); supply_fpregset (regcache, (const gdb_fpregset_t *) fpregset); target_store_registers (regcache, -1); |