X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=gdb%2Fmemattr.h;h=a7a4e510b385a2db8dfc437ab72fc55e40ce7940;hb=bb01dbfc041dccab2f2a2818068158f61b4c0fe2;hp=739df9480f16ac6141d3e946d4b0f88a5e1f26a9;hpb=4c38e0a4fcb69f8586d8db0b9cdb8dbab5980811;p=external%2Fbinutils.git diff --git a/gdb/memattr.h b/gdb/memattr.h index 739df94..a7a4e51 100644 --- a/gdb/memattr.h +++ b/gdb/memattr.h @@ -1,7 +1,6 @@ /* Memory attributes support, for GDB. - Copyright (C) 2001, 2006, 2007, 2008, 2009, 2010 - Free Software Foundation, Inc. + Copyright (C) 2001-2019 Free Software Foundation, Inc. This file is part of GDB. @@ -21,11 +20,9 @@ #ifndef MEMATTR_H #define MEMATTR_H -#include "vec.h" - enum mem_access_mode { - MEM_NONE, /* Memory that is not physically present. */ + MEM_NONE, /* Memory that is not physically present. */ MEM_RW, /* read/write */ MEM_RO, /* read only */ MEM_WO, /* write only */ @@ -51,59 +48,85 @@ enum mem_access_width the mem_region structure. FIXME: It would be useful if there was a mechanism for targets to - add their own attributes. For example, the number of wait states. */ + add their own attributes. For example, the number of wait states. */ struct mem_attrib { + static mem_attrib unknown () + { + mem_attrib attrib; + + attrib.mode = MEM_NONE; + + return attrib; + } + /* read/write, read-only, or write-only */ - enum mem_access_mode mode; + enum mem_access_mode mode = MEM_RW; - enum mem_access_width width; + enum mem_access_width width = MEM_WIDTH_UNSPECIFIED; /* enables hardware breakpoints */ - int hwbreak; + int hwbreak = 0; /* enables host-side caching of memory region data */ - int cache; + int cache = 0; - /* enables memory verification. after a write, memory is re-read - to verify that the write was successful. */ - int verify; + /* Enables memory verification. After a write, memory is re-read + to verify that the write was successful. */ + int verify = 0; /* Block size. Only valid if mode == MEM_FLASH. */ - int blocksize; + int blocksize = -1; }; struct mem_region { + /* Create a mem_region with default attributes. */ + + mem_region (CORE_ADDR lo_, CORE_ADDR hi_) + : lo (lo_), hi (hi_) + {} + + /* Create a mem_region with access mode MODE_, but otherwise default + attributes. */ + + mem_region (CORE_ADDR lo_, CORE_ADDR hi_, mem_access_mode mode_) + : lo (lo_), hi (hi_) + { + attrib.mode = mode_; + } + + /* Create a mem_region with attributes ATTRIB_. */ + + mem_region (CORE_ADDR lo_, CORE_ADDR hi_, const mem_attrib &attrib_) + : lo (lo_), hi (hi_), attrib (attrib_) + {} + + bool operator< (const mem_region &other) const + { + return this->lo < other.lo; + } + /* Lowest address in the region. */ CORE_ADDR lo; /* Address past the highest address of the region. If 0, upper bound is "infinity". */ CORE_ADDR hi; - /* Item number of this memory region. */ - int number; + /* Item number of this memory region. */ + int number = 0; - /* Status of this memory region (enabled if non-zero, otherwise disabled) */ - int enabled_p; + /* Status of this memory region (enabled if true, otherwise + disabled). */ + bool enabled_p = true; - /* Attributes for this region */ - struct mem_attrib attrib; + /* Attributes for this region. */ + mem_attrib attrib; }; -/* Declare a vector type for a group of mem_region structures. The - typedef is necessary because vec.h can not handle a struct tag. - Except during construction, these vectors are kept sorted. */ -typedef struct mem_region mem_region_s; -DEF_VEC_O(mem_region_s); - -extern struct mem_region *lookup_mem_region(CORE_ADDR); +extern struct mem_region *lookup_mem_region (CORE_ADDR); void invalidate_target_mem_regions (void); -void mem_region_init (struct mem_region *); - -int mem_region_cmp (const void *, const void *); - #endif /* MEMATTR_H */