diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-4.9/0052-Add-target-hook-to-override-DWARF2-frame-register-si.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.9/0052-Add-target-hook-to-override-DWARF2-frame-register-si.patch | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.9/0052-Add-target-hook-to-override-DWARF2-frame-register-si.patch b/meta/recipes-devtools/gcc/gcc-4.9/0052-Add-target-hook-to-override-DWARF2-frame-register-si.patch deleted file mode 100644 index f6958b32c9..0000000000 --- a/meta/recipes-devtools/gcc/gcc-4.9/0052-Add-target-hook-to-override-DWARF2-frame-register-si.patch +++ /dev/null @@ -1,138 +0,0 @@ -From d626297e87e19251a284ea1e9360e831b48999ca Mon Sep 17 00:00:00 2001 -From: mpf <mpf@138bc75d-0d04-0410-961f-82ee72b054a4> -Date: Thu, 4 Sep 2014 08:32:05 +0000 -Subject: [PATCH] Add target hook to override DWARF2 frame register size - -gcc/ - - * target.def (TARGET_DWARF_FRAME_REG_MODE): New target hook. - * targhooks.c (default_dwarf_frame_reg_mode): New function. - * targhooks.h (default_dwarf_frame_reg_mode): New prototype. - * doc/tm.texi.in (TARGET_DWARF_FRAME_REG_MODE): Document. - * doc/tm.texi: Regenerate. - * dwarf2cfi.c (expand_builtin_init_dwarf_reg_sizes): Abstract mode - selection logic to default_dwarf_frame_reg_mode. - - - -git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@214898 138bc75d-0d04-0410-961f-82ee72b054a4 - -Signed-off-by: Khem Raj <raj.khem@gmail.com> -Upstream-Status: Backport [gcc 5.0] - ---- - gcc/ChangeLog | 10 ++++++++++ - gcc/doc/tm.texi | 7 +++++++ - gcc/doc/tm.texi.in | 2 ++ - gcc/dwarf2cfi.c | 4 +--- - gcc/target.def | 11 +++++++++++ - gcc/targhooks.c | 13 +++++++++++++ - gcc/targhooks.h | 1 + - 7 files changed, 45 insertions(+), 3 deletions(-) - -Index: gcc-4.9.2/gcc/doc/tm.texi -=================================================================== ---- gcc-4.9.2.orig/gcc/doc/tm.texi -+++ gcc-4.9.2/gcc/doc/tm.texi -@@ -9017,6 +9017,13 @@ register in Dwarf. Otherwise, this hook - If not defined, the default is to return @code{NULL_RTX}. - @end deftypefn - -+@deftypefn {Target Hook} {enum machine_mode} TARGET_DWARF_FRAME_REG_MODE (int @var{regno}) -+Given a register, this hook should return the mode which the -+corresponding Dwarf frame register should have. This is normally -+used to return a smaller mode than the raw mode to prevent call -+clobbered parts of a register altering the frame register size -+@end deftypefn -+ - @deftypefn {Target Hook} void TARGET_INIT_DWARF_REG_SIZES_EXTRA (tree @var{address}) - If some registers are represented in Dwarf-2 unwind information in - multiple pieces, define this hook to fill in information about the -Index: gcc-4.9.2/gcc/doc/tm.texi.in -=================================================================== ---- gcc-4.9.2.orig/gcc/doc/tm.texi.in -+++ gcc-4.9.2/gcc/doc/tm.texi.in -@@ -6745,6 +6745,8 @@ the target supports DWARF 2 frame unwind - - @hook TARGET_DWARF_REGISTER_SPAN - -+@hook TARGET_DWARF_FRAME_REG_MODE -+ - @hook TARGET_INIT_DWARF_REG_SIZES_EXTRA - - @hook TARGET_ASM_TTYPE -Index: gcc-4.9.2/gcc/dwarf2cfi.c -=================================================================== ---- gcc-4.9.2.orig/gcc/dwarf2cfi.c -+++ gcc-4.9.2/gcc/dwarf2cfi.c -@@ -271,11 +271,9 @@ expand_builtin_init_dwarf_reg_sizes (tre - if (rnum < DWARF_FRAME_REGISTERS) - { - HOST_WIDE_INT offset = rnum * GET_MODE_SIZE (mode); -- enum machine_mode save_mode = reg_raw_mode[i]; - HOST_WIDE_INT size; -+ enum machine_mode save_mode = targetm.dwarf_frame_reg_mode (i); - -- if (HARD_REGNO_CALL_PART_CLOBBERED (i, save_mode)) -- save_mode = choose_hard_reg_mode (i, 1, true); - if (dnum == DWARF_FRAME_RETURN_COLUMN) - { - if (save_mode == VOIDmode) -Index: gcc-4.9.2/gcc/target.def -=================================================================== ---- gcc-4.9.2.orig/gcc/target.def -+++ gcc-4.9.2/gcc/target.def -@@ -3218,6 +3218,17 @@ If not defined, the default is to return - rtx, (rtx reg), - hook_rtx_rtx_null) - -+/* Given a register return the mode of the corresponding DWARF frame -+ register. */ -+DEFHOOK -+(dwarf_frame_reg_mode, -+ "Given a register, this hook should return the mode which the\n\ -+corresponding Dwarf frame register should have. This is normally\n\ -+used to return a smaller mode than the raw mode to prevent call\n\ -+clobbered parts of a register altering the frame register size", -+ enum machine_mode, (int regno), -+ default_dwarf_frame_reg_mode) -+ - /* If expand_builtin_init_dwarf_reg_sizes needs to fill in table - entries not corresponding directly to registers below - FIRST_PSEUDO_REGISTER, this hook should generate the necessary -Index: gcc-4.9.2/gcc/targhooks.c -=================================================================== ---- gcc-4.9.2.orig/gcc/targhooks.c -+++ gcc-4.9.2/gcc/targhooks.c -@@ -1438,6 +1438,19 @@ default_debug_unwind_info (void) - return UI_NONE; - } - -+/* Determine the correct mode for a Dwarf frame register that represents -+ register REGNO. */ -+ -+enum machine_mode -+default_dwarf_frame_reg_mode (int regno) -+{ -+ enum machine_mode save_mode = reg_raw_mode[regno]; -+ -+ if (HARD_REGNO_CALL_PART_CLOBBERED (regno, save_mode)) -+ save_mode = choose_hard_reg_mode (regno, 1, true); -+ return save_mode; -+} -+ - /* To be used by targets where reg_raw_mode doesn't return the right - mode for registers used in apply_builtin_return and apply_builtin_arg. */ - -Index: gcc-4.9.2/gcc/targhooks.h -=================================================================== ---- gcc-4.9.2.orig/gcc/targhooks.h -+++ gcc-4.9.2/gcc/targhooks.h -@@ -194,6 +194,7 @@ extern int default_label_align_max_skip - extern int default_jump_align_max_skip (rtx); - extern section * default_function_section(tree decl, enum node_frequency freq, - bool startup, bool exit); -+extern enum machine_mode default_dwarf_frame_reg_mode (int); - extern enum machine_mode default_get_reg_raw_mode (int); - - extern void *default_get_pch_validity (size_t *); |