From b6af0555b58f4a5996fd3590f2cb40d3664136f7 Mon Sep 17 00:00:00 2001 From: Jiri Smid Date: Fri, 7 Dec 2001 12:10:15 +0000 Subject: * dwarf2cfi.c: New file. * 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. --- gdb/gdbarch.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) (limited to 'gdb/gdbarch.c') diff --git a/gdb/gdbarch.c b/gdb/gdbarch.c index 83895a4..ffd1ac5 100644 --- a/gdb/gdbarch.c +++ b/gdb/gdbarch.c @@ -256,6 +256,7 @@ struct gdbarch gdbarch_in_solib_call_trampoline_ftype *in_solib_call_trampoline; gdbarch_in_function_epilogue_p_ftype *in_function_epilogue_p; gdbarch_construct_inferior_arguments_ftype *construct_inferior_arguments; + gdbarch_dwarf2_build_frame_info_ftype *dwarf2_build_frame_info; }; @@ -396,6 +397,7 @@ struct gdbarch startup_gdbarch = 0, generic_in_function_epilogue_p, construct_inferior_arguments, + 0, /* startup_gdbarch() */ }; @@ -759,6 +761,7 @@ verify_gdbarch (struct gdbarch *gdbarch) /* Skip verify of in_solib_call_trampoline, invalid_p == 0 */ /* Skip verify of in_function_epilogue_p, invalid_p == 0 */ /* Skip verify of construct_inferior_arguments, invalid_p == 0 */ + /* Skip verify of dwarf2_build_frame_info, has predicate */ buf = ui_file_xstrdup (log, &dummy); make_cleanup (xfree, buf); if (strlen (buf) > 0) @@ -1003,6 +1006,20 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file) (long) current_gdbarch->do_registers_info /*DO_REGISTERS_INFO ()*/); #endif +#ifdef DWARF2_BUILD_FRAME_INFO +#if GDB_MULTI_ARCH + /* Macro might contain `[{}]' when not multi-arch */ + fprintf_unfiltered (file, + "gdbarch_dump: %s # %s\n", + "DWARF2_BUILD_FRAME_INFO(objfile)", + XSTRING (DWARF2_BUILD_FRAME_INFO (objfile))); +#endif + if (GDB_MULTI_ARCH) + fprintf_unfiltered (file, + "gdbarch_dump: DWARF2_BUILD_FRAME_INFO = 0x%08lx\n", + (long) current_gdbarch->dwarf2_build_frame_info + /*DWARF2_BUILD_FRAME_INFO ()*/); +#endif #ifdef DWARF2_REG_TO_REGNUM fprintf_unfiltered (file, "gdbarch_dump: %s # %s\n", @@ -4308,6 +4325,30 @@ set_gdbarch_construct_inferior_arguments (struct gdbarch *gdbarch, gdbarch->construct_inferior_arguments = construct_inferior_arguments; } +int +gdbarch_dwarf2_build_frame_info_p (struct gdbarch *gdbarch) +{ + return gdbarch->dwarf2_build_frame_info != 0; +} + +void +gdbarch_dwarf2_build_frame_info (struct gdbarch *gdbarch, struct objfile *objfile) +{ + if (gdbarch->dwarf2_build_frame_info == 0) + internal_error (__FILE__, __LINE__, + "gdbarch: gdbarch_dwarf2_build_frame_info invalid"); + if (gdbarch_debug >= 2) + fprintf_unfiltered (gdb_stdlog, "gdbarch_dwarf2_build_frame_info called\n"); + gdbarch->dwarf2_build_frame_info (objfile); +} + +void +set_gdbarch_dwarf2_build_frame_info (struct gdbarch *gdbarch, + gdbarch_dwarf2_build_frame_info_ftype dwarf2_build_frame_info) +{ + gdbarch->dwarf2_build_frame_info = dwarf2_build_frame_info; +} + /* Keep a registry of per-architecture data-pointers required by GDB modules. */ -- cgit v1.1