diff options
Diffstat (limited to 'gdb/hppa-tdep.c')
| -rw-r--r-- | gdb/hppa-tdep.c | 43 |
1 files changed, 33 insertions, 10 deletions
diff --git a/gdb/hppa-tdep.c b/gdb/hppa-tdep.c index f9c1bf279c2..8964ec07ee0 100644 --- a/gdb/hppa-tdep.c +++ b/gdb/hppa-tdep.c @@ -46,13 +46,44 @@ static int hppa_debug = 0; static const int hppa32_num_regs = 128; static const int hppa64_num_regs = 96; +/* We use the objfile->obj_private pointer for two things: + * 1. An unwind table; + * + * 2. A pointer to any associated shared library object. + * + * #defines are used to help refer to these objects. + */ + +/* Info about the unwind table associated with an object file. + * This is hung off of the "objfile->obj_private" pointer, and + * is allocated in the objfile's psymbol obstack. This allows + * us to have unique unwind info for each executable and shared + * library that we are debugging. + */ +struct hppa_unwind_info + { + struct unwind_table_entry *table; /* Pointer to unwind info */ + struct unwind_table_entry *cache; /* Pointer to last entry we found */ + int last; /* Index of last entry */ + }; + +struct hppa_objfile_private + { + struct hppa_unwind_info *unwind_info; /* a pointer */ + struct so_list *so_info; /* a pointer */ + CORE_ADDR dp; + + int dummy_call_sequence_reg; + CORE_ADDR dummy_call_sequence_addr; + }; + /* hppa-specific object data -- unwind and solib info. TODO/maybe: think about splitting this into two parts; the unwind data is common to all hppa targets, but is only used in this file; we can register that separately and make this static. The solib data is probably hpux- specific, so we can create a separate extern objfile_data that is registered by hppa-hpux-tdep.c and shared with pa64solib.c and somsolib.c. */ -const struct objfile_data *hppa_objfile_priv_data = NULL; +static const struct objfile_data *hppa_objfile_priv_data = NULL; /* Get at various relevent fields of an instruction word. */ #define MASK_5 0x1f @@ -170,7 +201,7 @@ hppa_symbol_address(const char *sym) return (CORE_ADDR)-1; } -struct hppa_objfile_private * +static struct hppa_objfile_private * hppa_init_objfile_priv_data (struct objfile *objfile) { struct hppa_objfile_private *priv; @@ -2778,14 +2809,6 @@ hppa_frame_prev_register_helper (struct frame_info *this_frame, return frame_unwind_got_constant (this_frame, regnum, pc + 4); } - /* Make sure the "flags" register is zero in all unwound frames. - The "flags" registers is a HP-UX specific wart, and only the code - in hppa-hpux-tdep.c depends on it. However, it is easier to deal - with it here. This shouldn't affect other systems since those - should provide zero for the "flags" register anyway. */ - if (regnum == HPPA_FLAGS_REGNUM) - return frame_unwind_got_constant (this_frame, regnum, 0); - return trad_frame_get_prev_register (this_frame, saved_regs, regnum); } |