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Cache the Thread Local Base pointer type in the gdbarch 

gdb/ChangeLog:

2020-02-12  Hannes Domani  <ssbssa@yahoo.de>

	* windows-tdep.c (struct windows_gdbarch_data): Add tib_ptr_type.
	(windows_get_tlb_type): Use windows_gdbarch_data->tib_ptr_type.
This commit is contained in:
Hannes Domani 2020-02-09 17:37:58 +01:00
parent 6c0946d0d2
commit cd5900f33b
2 changed files with 12 additions and 8 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2020-02-12 Hannes Domani <ssbssa@yahoo.de>
* windows-tdep.c (struct windows_gdbarch_data): Add tib_ptr_type.
(windows_get_tlb_type): Use windows_gdbarch_data->tib_ptr_type.
2020-02-11 Tom Tromey <tom@tromey.com>
* psymtab.h: Update comment.

15
gdb/windows-tdep.c
View File

@ -158,6 +158,7 @@ static struct gdbarch_data *windows_gdbarch_data_handle;
struct windows_gdbarch_data
{
struct type *siginfo_type;
struct type *tib_ptr_type; /* Type of thread information block */
};
/* Allocate windows_gdbarch_data for an arch. */
@ -182,8 +183,6 @@ get_windows_gdbarch_data (struct gdbarch *gdbarch)
static struct type *
windows_get_tlb_type (struct gdbarch *gdbarch)
{
static struct gdbarch *last_gdbarch = NULL;
static struct type *last_tlb_type = NULL;
struct type *dword_ptr_type, *dword32_type, *void_ptr_type;
struct type *peb_ldr_type, *peb_ldr_ptr_type;
struct type *peb_type, *peb_ptr_type, *list_type;
@ -192,10 +191,11 @@ windows_get_tlb_type (struct gdbarch *gdbarch)
struct type *word_type, *wchar_type, *wchar_ptr_type;
struct type *uni_str_type, *rupp_type, *rupp_ptr_type;
/* Do not rebuild type if same gdbarch as last time. */
if (last_tlb_type && last_gdbarch == gdbarch)
return last_tlb_type;
windows_gdbarch_data *windows_gdbarch_data
= get_windows_gdbarch_data (gdbarch);
if (windows_gdbarch_data->tib_ptr_type != nullptr)
return windows_gdbarch_data->tib_ptr_type;
dword_ptr_type = arch_integer_type (gdbarch, gdbarch_ptr_bit (gdbarch),
1, "DWORD_PTR");
dword32_type = arch_integer_type (gdbarch, 32,
@ -365,8 +365,7 @@ windows_get_tlb_type (struct gdbarch *gdbarch)
NULL);
TYPE_TARGET_TYPE (tib_ptr_type) = tib_type;
last_tlb_type = tib_ptr_type;
last_gdbarch = gdbarch;
windows_gdbarch_data->tib_ptr_type = tib_ptr_type;
return tib_ptr_type;
}