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321990916b
Policy: - Only latest patchlevel for each branch release Exception: CLooG - ISL has dependencies on specific CLooG releases within a single branch - Where there are no patchlevel releases (uClibc, musl) - just retain two most recent releases Also, missed automake update: 1.14 -> 1.14.1 Signed-off-by: Alexey Neyman <stilor@att.net>
99 lines
3.0 KiB
Diff
99 lines
3.0 KiB
Diff
From 6c7c5c477ef9ccf2d2548cf2ac3cec9bd3c9c5b6 Mon Sep 17 00:00:00 2001
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From: Max Filippov <jcmvbkbc@gmail.com>
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Date: Tue, 2 Feb 2016 17:11:38 +0300
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Subject: [PATCH] xtensa: fix signedness of gas relocations
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Change 1058c7532d0b "Use signed data type for R_XTENSA_DIFF* relocation
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offsets." changed signedness of BFD_RELOC_XTENSA_DIFF* relocations
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substituted for BFD_RELOC_*. This made it impossible to encode arbitrary
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8-, 16- and 32-bit values, which broke e.g. debug info encoding by .loc
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directive. Revert this part and add test.
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gas/
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2016-02-03 Max Filippov <jcmvbkbc@gmail.com>
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* config/tc-xtensa.c (md_apply_fix): Mark BFD_RELOC_XTENSA_DIFF*
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substitutions for BFD_RELOC_* as unsigned.
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* gas/testsuite/gas/xtensa/all.exp: Add loc to list of xtensa
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tests.
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* gas/testsuite/gas/xtensa/loc.d: New file: loc test result
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patterns.
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* gas/testsuite/gas/xtensa/loc.s: New file: loc test.
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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---
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gas/config/tc-xtensa.c | 6 +++---
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gas/testsuite/gas/xtensa/all.exp | 1 +
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gas/testsuite/gas/xtensa/loc.d | 10 ++++++++++
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gas/testsuite/gas/xtensa/loc.s | 7 +++++++
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4 files changed, 21 insertions(+), 3 deletions(-)
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create mode 100644 gas/testsuite/gas/xtensa/loc.d
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create mode 100644 gas/testsuite/gas/xtensa/loc.s
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diff --git a/gas/config/tc-xtensa.c b/gas/config/tc-xtensa.c
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index a119871..36a06cc 100644
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--- a/gas/config/tc-xtensa.c
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+++ b/gas/config/tc-xtensa.c
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@@ -5961,15 +5961,15 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg)
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{
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case BFD_RELOC_8:
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fixP->fx_r_type = BFD_RELOC_XTENSA_DIFF8;
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- fixP->fx_signed = 1;
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+ fixP->fx_signed = 0;
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break;
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case BFD_RELOC_16:
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fixP->fx_r_type = BFD_RELOC_XTENSA_DIFF16;
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- fixP->fx_signed = 1;
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+ fixP->fx_signed = 0;
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break;
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case BFD_RELOC_32:
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fixP->fx_r_type = BFD_RELOC_XTENSA_DIFF32;
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- fixP->fx_signed = 1;
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+ fixP->fx_signed = 0;
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break;
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default:
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break;
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diff --git a/gas/testsuite/gas/xtensa/all.exp b/gas/testsuite/gas/xtensa/all.exp
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index 31b725b..7ff7bd7 100644
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--- a/gas/testsuite/gas/xtensa/all.exp
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+++ b/gas/testsuite/gas/xtensa/all.exp
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@@ -101,6 +101,7 @@ if [istarget xtensa*-*-*] then {
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run_dump_test "trampoline"
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run_dump_test "first_frag_align"
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run_dump_test "auto-litpools"
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+ run_dump_test "loc"
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}
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if [info exists errorInfo] then {
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diff --git a/gas/testsuite/gas/xtensa/loc.d b/gas/testsuite/gas/xtensa/loc.d
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new file mode 100644
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index 0000000..71983cc
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--- /dev/null
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+++ b/gas/testsuite/gas/xtensa/loc.d
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@@ -0,0 +1,10 @@
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+#as:
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+#objdump: -r
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+#name: .loc directive relocs
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+
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+.*: +file format .*xtensa.*
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+
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+RELOCATION RECORDS FOR \[\.debug_line\]:
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+#...
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+.*R_XTENSA_DIFF16.*\.text\+0x00009c42
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+#...
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diff --git a/gas/testsuite/gas/xtensa/loc.s b/gas/testsuite/gas/xtensa/loc.s
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new file mode 100644
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index 0000000..029e14e
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--- /dev/null
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+++ b/gas/testsuite/gas/xtensa/loc.s
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@@ -0,0 +1,7 @@
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+ .text
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+ .file 1 "loc.s"
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+ .loc 1 3
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+ nop
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+ .space 40000
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+ .loc 1 5
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+ nop
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--
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2.1.4
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