88 lines
2.7 KiB
Diff
88 lines
2.7 KiB
Diff
http://sourceware.org/ml/gdb-patches/2010-08/msg00559.html
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http://sourceware.org/ml/gdb-cvs/2010-08/msg00199.html
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### src/gdb/ChangeLog 2010/08/31 18:08:42 1.12129
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### src/gdb/ChangeLog 2010/08/31 18:11:48 1.12130
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## -1,5 +1,14 @@
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2010-08-31 Jan Kratochvil <jan.kratochvil@redhat.com>
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+ Make linux_get_siginfo_type `type *' unique.
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+ * linux-tdep.c (linux_gdbarch_data_handle, struct linux_gdbarch_data)
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+ (init_linux_gdbarch_data, get_linux_gdbarch_data): New.
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+ (linux_get_siginfo_type): New variable linux_gdbarch_data. Initialize
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+ it. Use linux_gdbarch_data->siginfo_type as a persistent storage.
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+ (_initialize_linux_tdep): New.
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+
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+2010-08-31 Jan Kratochvil <jan.kratochvil@redhat.com>
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+
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Code cleanup.
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* defs.h (find_memory_region_ftype): New typedef.
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(exec_set_find_memory_regions): Use it.
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Index: gdb-7.2/gdb/linux-tdep.c
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===================================================================
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--- gdb-7.2.orig/gdb/linux-tdep.c 2010-09-25 15:30:50.000000000 +0200
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+++ gdb-7.2/gdb/linux-tdep.c 2010-09-25 15:31:54.000000000 +0200
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@@ -26,18 +26,42 @@
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#include "value.h"
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#include "infcall.h"
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+static struct gdbarch_data *linux_gdbarch_data_handle;
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+
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+struct linux_gdbarch_data
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+ {
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+ struct type *siginfo_type;
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+ };
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+
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+static void *
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+init_linux_gdbarch_data (struct gdbarch *gdbarch)
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+{
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+ return GDBARCH_OBSTACK_ZALLOC (gdbarch, struct linux_gdbarch_data);
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+}
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+
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+static struct linux_gdbarch_data *
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+get_linux_gdbarch_data (struct gdbarch *gdbarch)
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+{
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+ return gdbarch_data (gdbarch, linux_gdbarch_data_handle);
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+}
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+
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/* This function is suitable for architectures that don't
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extend/override the standard siginfo structure. */
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struct type *
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linux_get_siginfo_type (struct gdbarch *gdbarch)
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{
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+ struct linux_gdbarch_data *linux_gdbarch_data;
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struct type *int_type, *uint_type, *long_type, *void_ptr_type;
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struct type *uid_type, *pid_type;
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struct type *sigval_type, *clock_type;
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struct type *siginfo_type, *sifields_type;
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struct type *type;
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+ linux_gdbarch_data = get_linux_gdbarch_data (gdbarch);
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+ if (linux_gdbarch_data->siginfo_type != NULL)
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+ return linux_gdbarch_data->siginfo_type;
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+
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int_type = arch_integer_type (gdbarch, gdbarch_int_bit (gdbarch),
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0, "int");
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uint_type = arch_integer_type (gdbarch, gdbarch_int_bit (gdbarch),
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@@ -137,6 +161,8 @@ linux_get_siginfo_type (struct gdbarch *
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"_sifields", sifields_type,
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TYPE_LENGTH (long_type));
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+ linux_gdbarch_data->siginfo_type = siginfo_type;
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+
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return siginfo_type;
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}
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@@ -154,3 +180,10 @@ linux_has_shared_address_space (void)
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return target_is_uclinux;
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}
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+
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+void
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+_initialize_linux_tdep (void)
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+{
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+ linux_gdbarch_data_handle =
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+ gdbarch_data_register_post_init (init_linux_gdbarch_data);
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+}
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