diff options
Diffstat (limited to 'patches/binutils-2.21.1a/0003-2011-05-31-Paul-Brook-paul-codesourcery.com.patch')
| -rw-r--r-- | patches/binutils-2.21.1a/0003-2011-05-31-Paul-Brook-paul-codesourcery.com.patch | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/patches/binutils-2.21.1a/0003-2011-05-31-Paul-Brook-paul-codesourcery.com.patch b/patches/binutils-2.21.1a/0003-2011-05-31-Paul-Brook-paul-codesourcery.com.patch deleted file mode 100644 index 4006573..0000000 --- a/patches/binutils-2.21.1a/0003-2011-05-31-Paul-Brook-paul-codesourcery.com.patch +++ /dev/null @@ -1,127 +0,0 @@ -From: Paul Brook <paul@codesourcery.com> -Date: Tue, 31 May 2011 14:10:06 +0000 -Subject: [PATCH] 2011-05-31 Paul Brook <paul@codesourcery.com> - - gas/ - * config/tc-arm.c (arm_force_relocation): Resolve all pc-relative - loads. - - gas/testsuite/ - * gas/arm/ldr-global.d: New test. - * gas/arm/ldr-global.s: New test. ---- - gas/ChangeLog | 5 +++++ - gas/config/tc-arm.c | 15 +++++++++++++-- - gas/testsuite/ChangeLog | 5 +++++ - gas/testsuite/gas/arm/ldr-global.d | 14 ++++++++++++++ - gas/testsuite/gas/arm/ldr-global.s | 22 ++++++++++++++++++++++ - 5 files changed, 59 insertions(+), 2 deletions(-) - create mode 100644 gas/testsuite/gas/arm/ldr-global.d - create mode 100644 gas/testsuite/gas/arm/ldr-global.s - -diff --git a/gas/ChangeLog b/gas/ChangeLog -index 596029f..29dd697 100644 ---- a/gas/ChangeLog -+++ b/gas/ChangeLog -@@ -1,3 +1,8 @@ -+2011-05-31 Paul Brook <paul@codesourcery.com> -+ -+ * config/tc-arm.c (arm_force_relocation): Resolve all pc-relative -+ loads. -+ - 2011-05-29 Alan Modra <amodra@gmail.com> - - Apply from mainline -diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c -index 4addafc..48b7bb4 100644 ---- a/gas/config/tc-arm.c -+++ b/gas/config/tc-arm.c -@@ -21675,14 +21675,25 @@ arm_force_relocation (struct fix * fixp) - } - #endif - -- /* Resolve these relocations even if the symbol is extern or weak. */ -+ /* Resolve these relocations even if the symbol is extern or weak. -+ Technically this is probably wrong due to symbol preemption. -+ In practice these relocations do not have enough range to be useful -+ at dynamic link time, and some code (e.g. in the Linux kernel) -+ expects these references to be resolved. */ - if (fixp->fx_r_type == BFD_RELOC_ARM_IMMEDIATE - || fixp->fx_r_type == BFD_RELOC_ARM_OFFSET_IMM -+ || fixp->fx_r_type == BFD_RELOC_ARM_OFFSET_IMM8 - || fixp->fx_r_type == BFD_RELOC_ARM_ADRL_IMMEDIATE -+ || fixp->fx_r_type == BFD_RELOC_ARM_CP_OFF_IMM -+ || fixp->fx_r_type == BFD_RELOC_ARM_CP_OFF_IMM_S2 -+ || fixp->fx_r_type == BFD_RELOC_ARM_THUMB_OFFSET - || fixp->fx_r_type == BFD_RELOC_ARM_T32_ADD_IMM - || fixp->fx_r_type == BFD_RELOC_ARM_T32_IMMEDIATE - || fixp->fx_r_type == BFD_RELOC_ARM_T32_IMM12 -- || fixp->fx_r_type == BFD_RELOC_ARM_T32_ADD_PC12) -+ || fixp->fx_r_type == BFD_RELOC_ARM_T32_OFFSET_IMM -+ || fixp->fx_r_type == BFD_RELOC_ARM_T32_ADD_PC12 -+ || fixp->fx_r_type == BFD_RELOC_ARM_T32_CP_OFF_IMM -+ || fixp->fx_r_type == BFD_RELOC_ARM_T32_CP_OFF_IMM_S2) - return 0; - - /* Always leave these relocations for the linker. */ -diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog -index 356db30..b3d10ec 100644 ---- a/gas/testsuite/ChangeLog -+++ b/gas/testsuite/ChangeLog -@@ -1,3 +1,8 @@ -+2011-05-31 Paul Brook <paul@codesourcery.com> -+ -+ * gas/arm/ldr-global.d: New test. -+ * gas/arm/ldr-global.s: New test. -+ - 2011-05-29 Alan Modra <amodra@gmail.com> - - Apply from mainline -diff --git a/gas/testsuite/gas/arm/ldr-global.d b/gas/testsuite/gas/arm/ldr-global.d -new file mode 100644 -index 0000000..3528d4e ---- /dev/null -+++ b/gas/testsuite/gas/arm/ldr-global.d -@@ -0,0 +1,14 @@ -+#objdump: -dr --prefix-addresses --show-raw-insn -+#name: PC-relative LDR from global -+ -+.*: +file format .*arm.* -+ -+Disassembly of section .text: -+0+00 <[^>]*> e59f0010 ? ldr r0, \[pc, #16\] ; 0+18 <[^>]*> -+0+04 <[^>]*> e1df00fc ? ldrsh r0, \[pc, #12\] ; 0+18 <[^>]*> -+0+08 <[^>]*> ed9f0a02 ? vldr s0, \[pc, #8\] ; 0+18 <[^>]*> -+0+0c <[^>]*> 4802 ? ldr r0, \[pc, #8\] ; \(0+18 <[^>]*>\) -+0+0e <[^>]*> 4802 ? ldr r0, \[pc, #8\] ; \(0+18 <[^>]*>\) -+0+10 <[^>]*> ed9f 0a01 ? vldr s0, \[pc, #4\] ; 0+18 <[^>]*> -+0+14 <[^>]*> f8df 0000 ? ldr\.w r0, \[pc\] ; 0+18 <[^>]*> -+#... -diff --git a/gas/testsuite/gas/arm/ldr-global.s b/gas/testsuite/gas/arm/ldr-global.s -new file mode 100644 -index 0000000..ef3960c ---- /dev/null -+++ b/gas/testsuite/gas/arm/ldr-global.s -@@ -0,0 +1,22 @@ -+@ Test pc-relative loads from global objects defined in the same text segment. -+@ See tc-arm.c:arm_force_relocation. -+.arch armv7-a -+.fpu vfp -+.syntax unified -+.text -+foo_arm: -+ ldr r0, bar -+ ldrsh r0, bar -+ vldr s0, bar -+.thumb -+foo_thumb: -+ ldr r0, bar -+ ldr.n r0, bar -+ vldr s0, bar -+ ldr.w r0, bar -+ -+.align 2 -+.globl bar -+bar: -+ .word 42 -+ |