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-rw-r--r--util/crossgcc/patches/binutils-2.26.1_aarch.patch123
1 files changed, 92 insertions, 31 deletions
diff --git a/util/crossgcc/patches/binutils-2.26.1_aarch.patch b/util/crossgcc/patches/binutils-2.26.1_aarch.patch
index 78934d4bcc..1e709d19b1 100644
--- a/util/crossgcc/patches/binutils-2.26.1_aarch.patch
+++ b/util/crossgcc/patches/binutils-2.26.1_aarch.patch
@@ -1,32 +1,93 @@
-diff -Naur binutils-2.26.1/gas/config/tc-aarch64.c binutils-2.26.1/gas/config/tc-aarch64.c
---- binutils-2.26.1/gas/config/tc-aarch64.c 2016-01-25 01:51:06.000000000 -0700
-+++ binutils-2.26.1/gas/config/tc-aarch64.c 2016-07-14 10:05:37.667935255 -0600
-@@ -1857,12 +1857,7 @@
- return;
- }
-
-- /* Sections are assumed to start aligned. In executable section, there is no
-- MAP_DATA symbol pending. So we only align the address during
-- MAP_DATA --> MAP_INSN transition.
-- For other sections, this is not guaranteed. */
-- enum mstate mapstate = seg_info (now_seg)->tc_segment_info_data.mapstate;
-- if (!need_pass_2 && subseg_text_p (now_seg) && mapstate == MAP_DATA)
-+ if (!need_pass_2)
- frag_align_code (2, 0);
-
- #ifdef OBJ_ELF
-@@ -6040,14 +6035,6 @@
-
- init_operand_error_report ();
-
-- /* Sections are assumed to start aligned. In executable section, there is no
-- MAP_DATA symbol pending. So we only align the address during
-- MAP_DATA --> MAP_INSN transition.
-- For other sections, this is not guaranteed. */
-- enum mstate mapstate = seg_info (now_seg)->tc_segment_info_data.mapstate;
-- if (!need_pass_2 && subseg_text_p (now_seg) && mapstate == MAP_DATA)
-- frag_align_code (2, 0);
+diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
+index 2d491f6..e221ef4 100644
+--- a/gas/config/tc-aarch64.c
++++ b/gas/config/tc-aarch64.c
+@@ -1736,13 +1736,13 @@ s_ltorg (int ignored ATTRIBUTE_UNUSED)
+ if (pool == NULL || pool->symbol == NULL || pool->next_free_entry == 0)
+ continue;
+
+- mapping_state (MAP_DATA);
-
- saved_cond = inst.cond;
- reset_aarch64_instruction (&inst);
- inst.cond = saved_cond;
+ /* Align pool as you have word accesses.
+ Only make a frag if we have to. */
+ if (!need_pass_2)
+ frag_align (align, 0, 0);
+
++ mapping_state (MAP_DATA);
++
+ record_alignment (now_seg, align);
+
+ sprintf (sym_name, "$$lit_\002%x", pool->id);
+@@ -6373,11 +6373,15 @@ aarch64_init_frag (fragS * fragP, int max_chars)
+
+ switch (fragP->fr_type)
+ {
+- case rs_align:
+ case rs_align_test:
+ case rs_fill:
+ mapping_state_2 (MAP_DATA, max_chars);
+ break;
++ case rs_align:
++ /* PR 20364: We can get alignment frags in code sections,
++ so do not just assume that we should use the MAP_DATA state. */
++ mapping_state_2 (subseg_text_p (now_seg) ? MAP_INSN : MAP_DATA, max_chars);
++ break;
+ case rs_align_code:
+ mapping_state_2 (MAP_INSN, max_chars);
+ break;
+diff --git a/gas/testsuite/gas/aarch64/pr20364.d b/gas/testsuite/gas/aarch64/pr20364.d
+new file mode 100644
+index 0000000..babcff1
+--- /dev/null
++++ b/gas/testsuite/gas/aarch64/pr20364.d
+@@ -0,0 +1,13 @@
++# Check that ".align <size>, <fill>" does not set the mapping state to DATA, causing unnecessary frag generation.
++#name: PR20364
++#objdump: -d
++
++.*: file format .*
++
++Disassembly of section \.vectors:
++
++0+000 <.*>:
++ 0: d2800000 mov x0, #0x0 // #0
++ 4: 94000000 bl 0 <plat_report_exception>
++ 8: 17fffffe b 0 <bl1_exceptions>
++
+diff --git a/gas/testsuite/gas/aarch64/pr20364.s b/gas/testsuite/gas/aarch64/pr20364.s
+new file mode 100644
+index 0000000..594ad7c
+--- /dev/null
++++ b/gas/testsuite/gas/aarch64/pr20364.s
+@@ -0,0 +1,28 @@
++ .macro vector_base label
++ .section .vectors, "ax"
++ .align 11, 0
++ \label:
++ .endm
++
++ .macro vector_entry label
++ .section .vectors, "ax"
++ .align 7, 0
++ \label:
++ .endm
++
++ .macro check_vector_size since
++ .if (. - \since) > (32 * 4)
++ .error "Vector exceeds 32 instructions"
++ .endif
++ .endm
++
++ .globl bl1_exceptions
++
++vector_base bl1_exceptions
++
++vector_entry SynchronousExceptionSP0
++ mov x0, #0x0
++ bl plat_report_exception
++ b SynchronousExceptionSP0
++ check_vector_size SynchronousExceptionSP0
++
+--
+1.7.1
+