Imagelibrary/binutils-gdb
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* dwarf2cfi.c: New file.

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* dwarf2cfi.h: New file.
* dwarf2read.c (dwarf_frame_offset, dwarf_frame_size): New variables.
(dwarf_eh_frame_offset, dwarf_eh_frame_size): New variables.
(dwarf2_read_section): Change to non static.
(dwarf2_locate_sections): Add .debug_frame and .eh_frame section
recognition.
(FRAME_SECTION, EH_FRAME_SECTION): New define.
* elfread.c (elf_symfile_read): Add call of frame informations build.
* frame.h (frame_info): Add pointer to unwind_context.
* symfile.h (dwarf2_build_frame_info): Add declaration.
* gdbarch.sh (DWARF2_BUILD_FRAME_INFO): Add.
* gdbarch.h, gdbarch.c: Regenerate.
* Makefile.in: Add dwarf2cfi_h, dwarf2cfi.o
* x86-64-tdep.c (i386_gdbarch_init): Initialize target vector to
use debug frame info.
This commit is contained in:
Jiri Smid
2001-12-07 12:10:15 +00:00
parent 1fbc4a84a3
commit b6af0555b5
12 changed files with 1939 additions and 4 deletions
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21
gdb/dwarf2read.c
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@@ -132,6 +132,8 @@ static file_ptr dwarf_aranges_offset;
static file_ptr dwarf_loc_offset;
static file_ptr dwarf_macinfo_offset;
static file_ptr dwarf_str_offset;
file_ptr dwarf_frame_offset;
file_ptr dwarf_eh_frame_offset;
static unsigned int dwarf_info_size;
static unsigned int dwarf_abbrev_size;
@@ -141,6 +143,8 @@ static unsigned int dwarf_aranges_size;
static unsigned int dwarf_loc_size;
static unsigned int dwarf_macinfo_size;
static unsigned int dwarf_str_size;
unsigned int dwarf_frame_size;
unsigned int dwarf_eh_frame_size;
/* names of the debugging sections */
@@ -152,6 +156,8 @@ static unsigned int dwarf_str_size;
#define LOC_SECTION ".debug_loc"
#define MACINFO_SECTION ".debug_macinfo"
#define STR_SECTION ".debug_str"
#define FRAME_SECTION ".debug_frame"
#define EH_FRAME_SECTION ".eh_frame"
/* local data types */
@@ -587,7 +593,7 @@ static void dwarf2_psymtab_to_symtab (struct partial_symtab *);
static void psymtab_to_symtab_1 (struct partial_symtab *);
static char *dwarf2_read_section (struct objfile *, file_ptr, unsigned int);
char *dwarf2_read_section (struct objfile *, file_ptr, unsigned int);
static void dwarf2_read_abbrevs (bfd *, unsigned int);
@@ -807,6 +813,7 @@ dwarf2_has_info (bfd *abfd)
{
dwarf_info_offset = dwarf_abbrev_offset = dwarf_line_offset = 0;
dwarf_str_offset = 0;
dwarf_frame_offset = dwarf_eh_frame_offset = 0;
bfd_map_over_sections (abfd, dwarf2_locate_sections, NULL);
if (dwarf_info_offset && dwarf_abbrev_offset)
{
@@ -865,6 +872,16 @@ dwarf2_locate_sections (bfd *ignore_abfd, asection *sectp, PTR ignore_ptr)
dwarf_str_offset = sectp->filepos;
dwarf_str_size = bfd_get_section_size_before_reloc (sectp);
}
else if (STREQ (sectp->name, FRAME_SECTION))
{
dwarf_frame_offset = sectp->filepos;
dwarf_frame_size = bfd_get_section_size_before_reloc (sectp);
}
else if (STREQ (sectp->name, EH_FRAME_SECTION))
{
dwarf_eh_frame_offset = sectp->filepos;
dwarf_eh_frame_size = bfd_get_section_size_before_reloc (sectp);
}
}
/* Build a partial symbol table. */
@@ -3045,7 +3062,7 @@ make_cleanup_free_die_list (struct die_info *dies)
/* Read the contents of the section at OFFSET and of size SIZE from the
object file specified by OBJFILE into the psymbol_obstack and return it. */
static char *
char *
dwarf2_read_section (struct objfile *objfile, file_ptr offset,
unsigned int size)
{