diff options
Diffstat (limited to 'toolchain/gdb/patches/650-debian_vsyscall-gdb-support.patch')
| -rw-r--r-- | toolchain/gdb/patches/650-debian_vsyscall-gdb-support.patch | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/toolchain/gdb/patches/650-debian_vsyscall-gdb-support.patch b/toolchain/gdb/patches/650-debian_vsyscall-gdb-support.patch deleted file mode 100644 index e725f9c549..0000000000 --- a/toolchain/gdb/patches/650-debian_vsyscall-gdb-support.patch +++ /dev/null @@ -1,245 +0,0 @@ -Status: Checked in to HEAD after 6.3. - -2004-11-07 Andrew Cagney <cagney@redhat.com> - Daniel Jacobowitz <dan@debian.org> - Roland McGrath <roland@redhat.com> - - * Makefile.in (symfile-mem.o): Update dependencies. - * i386-linux-tdep.c (i386_linux_dwarf_signal_frame_p): New. - (i386_linux_init_abi): Call dwarf2_frame_set_signal_frame_p. - * inf-ptrace.c (inf_ptrace_attach): Call - observer_notify_inferior_created. - * inftarg.c (child_attach): Likewise. - * symfile-mem.c: Include "observer.h", "auxv.h", and "elf/common.h". - (symbol_file_add_from_memory): Take NAME argument. Use it for - the new BFD's filename. - (add_symbol_file_from_memory_command): Update call to - symbol_file_add_from_memory. - (struct symbol_file_add_from_memory_args, add_vsyscall_page) - (symbol_file_add_from_memory_wrapper): New. - (_initialize_symfile_mem): Register add_vsyscall_page as an - inferior_created observer. - -Index: gdb-6.3/gdb/i386-linux-tdep.c -=================================================================== ---- gdb-6.3.orig/gdb/i386-linux-tdep.c 2004-08-06 16:58:28.000000000 -0400 -+++ gdb-6.3/gdb/i386-linux-tdep.c 2004-11-10 00:55:06.669398770 -0500 -@@ -27,6 +27,7 @@ - #include "inferior.h" - #include "osabi.h" - #include "reggroups.h" -+#include "dwarf2-frame.h" - - #include "gdb_string.h" - -@@ -244,6 +245,27 @@ i386_linux_sigtramp_p (struct frame_info - || strcmp ("__restore_rt", name) == 0); - } - -+/* Return one if the unwound PC from NEXT_FRAME is in a signal trampoline -+ which may have DWARF-2 CFI. */ -+ -+static int -+i386_linux_dwarf_signal_frame_p (struct gdbarch *gdbarch, -+ struct frame_info *next_frame) -+{ -+ CORE_ADDR pc = frame_pc_unwind (next_frame); -+ char *name; -+ -+ find_pc_partial_function (pc, &name, NULL, NULL); -+ -+ /* If a vsyscall DSO is in use, the signal trampolines may have these -+ names. */ -+ if (name && (strcmp (name, "__kernel_sigreturn") == 0 -+ || strcmp (name, "__kernel_rt_sigreturn") == 0)) -+ return 1; -+ -+ return 0; -+} -+ - /* Offset to struct sigcontext in ucontext, from <asm/ucontext.h>. */ - #define I386_LINUX_UCONTEXT_SIGCONTEXT_OFFSET 20 - -@@ -414,6 +436,8 @@ i386_linux_init_abi (struct gdbarch_info - - /* GNU/Linux uses the dynamic linker included in the GNU C Library. */ - set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver); -+ -+ dwarf2_frame_set_signal_frame_p (gdbarch, i386_linux_dwarf_signal_frame_p); - } - - /* Provide a prototype to silence -Wmissing-prototypes. */ -Index: gdb-6.3/gdb/inf-ptrace.c -=================================================================== ---- gdb-6.3.orig/gdb/inf-ptrace.c 2004-10-15 09:29:33.000000000 -0400 -+++ gdb-6.3/gdb/inf-ptrace.c 2004-11-10 00:53:43.697615843 -0500 -@@ -220,6 +220,10 @@ inf_ptrace_attach (char *args, int from_ - - inferior_ptid = pid_to_ptid (pid); - push_target (ptrace_ops_hack); -+ -+ /* Do this first, before anything has had a chance to query the -+ inferior's symbol table or similar. */ -+ observer_notify_inferior_created (¤t_target, from_tty); - } - - static void -Index: gdb-6.3/gdb/inftarg.c -=================================================================== ---- gdb-6.3.orig/gdb/inftarg.c 2004-10-08 16:29:47.000000000 -0400 -+++ gdb-6.3/gdb/inftarg.c 2004-11-10 00:53:43.711613107 -0500 -@@ -211,6 +211,10 @@ child_attach (char *args, int from_tty) - - inferior_ptid = pid_to_ptid (pid); - push_target (&deprecated_child_ops); -+ -+ /* Do this first, before anything has had a chance to query the -+ inferior's symbol table or similar. */ -+ observer_notify_inferior_created (¤t_target, from_tty); - } - - #if !defined(CHILD_POST_ATTACH) -Index: gdb-6.3/gdb/symfile-mem.c -=================================================================== ---- gdb-6.3.orig/gdb/symfile-mem.c 2004-07-17 10:24:07.000000000 -0400 -+++ gdb-6.3/gdb/symfile-mem.c 2004-11-10 00:53:43.722610958 -0500 -@@ -52,13 +52,19 @@ - #include "target.h" - #include "value.h" - #include "symfile.h" -+#include "observer.h" -+#include "auxv.h" -+#include "elf/common.h" - - - /* Read inferior memory at ADDR to find the header of a loaded object file - and read its in-core symbols out of inferior memory. TEMPL is a bfd -- representing the target's format. */ -+ representing the target's format. NAME is the name to use for this -+ symbol file in messages; it can be NULL or a malloc-allocated string -+ which will be attached to the BFD. */ - static struct objfile * --symbol_file_add_from_memory (struct bfd *templ, CORE_ADDR addr, int from_tty) -+symbol_file_add_from_memory (struct bfd *templ, CORE_ADDR addr, char *name, -+ int from_tty) - { - struct objfile *objf; - struct bfd *nbfd; -@@ -75,7 +81,10 @@ symbol_file_add_from_memory (struct bfd - if (nbfd == NULL) - error ("Failed to read a valid object file image from memory."); - -- nbfd->filename = xstrdup ("shared object read from target memory"); -+ if (name == NULL) -+ nbfd->filename = xstrdup ("shared object read from target memory"); -+ else -+ nbfd->filename = name; - - if (!bfd_check_format (nbfd, bfd_object)) - { -@@ -129,7 +138,73 @@ add_symbol_file_from_memory_command (cha - error ("\ - Must use symbol-file or exec-file before add-symbol-file-from-memory."); - -- symbol_file_add_from_memory (templ, addr, from_tty); -+ symbol_file_add_from_memory (templ, addr, NULL, from_tty); -+} -+ -+/* Arguments for symbol_file_add_from_memory_wrapper. */ -+ -+struct symbol_file_add_from_memory_args -+{ -+ struct bfd *bfd; -+ CORE_ADDR sysinfo_ehdr; -+ char *name; -+ int from_tty; -+}; -+ -+/* Wrapper function for symbol_file_add_from_memory, for -+ catch_exceptions. */ -+ -+static int -+symbol_file_add_from_memory_wrapper (struct ui_out *uiout, void *data) -+{ -+ struct symbol_file_add_from_memory_args *args = data; -+ -+ symbol_file_add_from_memory (args->bfd, args->sysinfo_ehdr, args->name, -+ args->from_tty); -+ return 0; -+} -+ -+/* Try to add the symbols for the vsyscall page, if there is one. This function -+ is called via the inferior_created observer. */ -+ -+static void -+add_vsyscall_page (struct target_ops *target, int from_tty) -+{ -+ CORE_ADDR sysinfo_ehdr; -+ -+ if (target_auxv_search (target, AT_SYSINFO_EHDR, &sysinfo_ehdr) > 0 -+ && sysinfo_ehdr != (CORE_ADDR) 0) -+ { -+ struct bfd *bfd; -+ struct symbol_file_add_from_memory_args args; -+ -+ if (core_bfd != NULL) -+ bfd = core_bfd; -+ else if (exec_bfd != NULL) -+ bfd = exec_bfd; -+ else -+ /* FIXME: cagney/2004-05-06: Should not require an existing -+ BFD when trying to create a run-time BFD of the VSYSCALL -+ page in the inferior. Unfortunately that's the current -+ interface so for the moment bail. Introducing a -+ ``bfd_runtime'' (a BFD created using the loaded image) file -+ format should fix this. */ -+ { -+ warning ("could not load vsyscall page because no executable was specified"); -+ warning ("try using the \"file\" command first"); -+ return; -+ } -+ args.bfd = bfd; -+ args.sysinfo_ehdr = sysinfo_ehdr; -+ xasprintf (&args.name, "system-supplied DSO at 0x%s", -+ paddr_nz (sysinfo_ehdr)); -+ /* Pass zero for FROM_TTY, because the action of loading the -+ vsyscall DSO was not triggered by the user, even if the user -+ typed "run" at the TTY. */ -+ args.from_tty = 0; -+ catch_exceptions (uiout, symbol_file_add_from_memory_wrapper, -+ &args, NULL, RETURN_MASK_ALL); -+ } - } - - -@@ -143,4 +218,7 @@ Load the symbols out of memory from a dy - Give an expression for the address of the file's shared object file header.", - &cmdlist); - -+ /* Want to know of each new inferior so that its vsyscall info can -+ be extracted. */ -+ observer_attach_inferior_created (add_vsyscall_page); - } -Index: gdb-6.3/gdb/Makefile.in -=================================================================== ---- gdb-6.3.orig/gdb/Makefile.in 2004-11-10 00:29:00.000000000 -0500 -+++ gdb-6.3/gdb/Makefile.in 2004-11-10 00:54:47.728100986 -0500 -@@ -2020,7 +2020,7 @@ i386-linux-nat.o: i386-linux-nat.c $(def - i386-linux-tdep.o: i386-linux-tdep.c $(defs_h) $(gdbcore_h) $(frame_h) \ - $(value_h) $(regcache_h) $(inferior_h) $(osabi_h) $(reggroups_h) \ - $(gdb_string_h) $(i386_tdep_h) $(i386_linux_tdep_h) $(glibc_tdep_h) \ -- $(solib_svr4_h) -+ $(solib_svr4_h) $(dwarf2_frame_h) - i386ly-tdep.o: i386ly-tdep.c $(defs_h) $(gdbcore_h) $(inferior_h) \ - $(regcache_h) $(target_h) $(osabi_h) $(i386_tdep_h) - i386-nat.o: i386-nat.c $(defs_h) $(breakpoint_h) $(command_h) $(gdbcmd_h) -@@ -2606,7 +2606,8 @@ symfile.o: symfile.c $(defs_h) $(bfdlink - $(hashtab_h) $(readline_h) $(gdb_assert_h) $(block_h) \ - $(gdb_string_h) $(gdb_stat_h) - symfile-mem.o: symfile-mem.c $(defs_h) $(symtab_h) $(gdbcore_h) \ -- $(objfiles_h) $(gdbcmd_h) $(target_h) $(value_h) $(symfile_h) -+ $(objfiles_h) $(gdbcmd_h) $(target_h) $(value_h) $(symfile_h) \ -+ $(observer_h) $(auxv_h) $(elf_common_h) - symmisc.o: symmisc.c $(defs_h) $(symtab_h) $(gdbtypes_h) $(bfd_h) \ - $(symfile_h) $(objfiles_h) $(breakpoint_h) $(command_h) \ - $(gdb_obstack_h) $(language_h) $(bcache_h) $(block_h) $(gdb_regex_h) \ |