diff options
Diffstat (limited to 'meta-xilinx/meta-xilinx-bsp/recipes-microblaze/binutils/binutils-2.31/0005-Fixup-MicroBlaze-debug_loc-sections-after-linker-rel.patch')
-rw-r--r-- | meta-xilinx/meta-xilinx-bsp/recipes-microblaze/binutils/binutils-2.31/0005-Fixup-MicroBlaze-debug_loc-sections-after-linker-rel.patch | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/meta-xilinx/meta-xilinx-bsp/recipes-microblaze/binutils/binutils-2.31/0005-Fixup-MicroBlaze-debug_loc-sections-after-linker-rel.patch b/meta-xilinx/meta-xilinx-bsp/recipes-microblaze/binutils/binutils-2.31/0005-Fixup-MicroBlaze-debug_loc-sections-after-linker-rel.patch deleted file mode 100644 index 6cdd2cc2a..000000000 --- a/meta-xilinx/meta-xilinx-bsp/recipes-microblaze/binutils/binutils-2.31/0005-Fixup-MicroBlaze-debug_loc-sections-after-linker-rel.patch +++ /dev/null @@ -1,243 +0,0 @@ -From 5bf68bc39976903929f730b6eed18686c3563c05 Mon Sep 17 00:00:00 2001 -From: Nagaraju Mekala <nagaraju.mekala@xilinx.com> -Date: Mon, 28 Aug 2017 19:53:56 -0700 -Subject: [PATCH] Fixup MicroBlaze debug_loc sections after linker relaxation - -Fixup debug_loc sections after linker relaxation Adds a new reloctype -R_MICROBLAZE_32_NONE, used for passing reloc info from the assembler to -the linker when the linker manages to fully resolve a local symbol -reference. - -This is a workaround for design flaws in the assembler to -linker interface with regards to linker relaxation. - -08/2018 -Rebased for binutils 2.31 - - Some RELOC_NUMBERs were added upstream, rebased to use 33 instead of 30 - -Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com> -Signed-off-by: Nagaraju Mekala <nmekala@xilinx.com> -Signed-off-by: Manjukumar Matha <manjukumar.harthikote-matha@xilinx.com> -Signed-off-by: Alejandro Enedino Hernandez Samaniego <alejandr@xilinx.com> - -Upstream-Status: Pending - ---- - bfd/bfd-in2.h | 9 +++++++-- - bfd/elf32-microblaze.c | 45 ++++++++++++++++++++++++++++++++++++++------- - bfd/libbfd.h | 1 + - bfd/reloc.c | 6 ++++++ - binutils/readelf.c | 4 ++++ - gas/config/tc-microblaze.c | 5 ++++- - include/elf/microblaze.h | 1 + - 7 files changed, 61 insertions(+), 10 deletions(-) - -Index: git/bfd/bfd-in2.h -=================================================================== ---- git.orig/bfd/bfd-in2.h -+++ git/bfd/bfd-in2.h -@@ -5791,10 +5791,15 @@ value relative to the read-write small d - expressions of the form "Symbol Op Symbol" */ - BFD_RELOC_MICROBLAZE_32_SYM_OP_SYM, - --/* This is a 64 bit reloc that stores the 32 bit pc relative -+/* This is a 32 bit reloc that stores the 32 bit pc relative - value in two words (with an imm instruction). No relocation is - done here - only used for relaxing */ -- BFD_RELOC_MICROBLAZE_64_NONE, -+ BFD_RELOC_MICROBLAZE_32_NONE, -+ -+/* This is a 64 bit reloc that stores the 32 bit pc relative -+ * +value in two words (with an imm instruction). No relocation is -+ * +done here - only used for relaxing */ -+ BFD_RELOC_MICROBLAZE_64_NONE, - - /* This is a 64 bit reloc that stores the 32 bit pc relative - value in two words (with an imm instruction). The relocation is -Index: git/bfd/elf32-microblaze.c -=================================================================== ---- git.orig/bfd/elf32-microblaze.c -+++ git/bfd/elf32-microblaze.c -@@ -176,6 +176,20 @@ static reloc_howto_type microblaze_elf_h - 0x0000ffff, /* Dest Mask. */ - FALSE), /* PC relative offset? */ - -+ HOWTO (R_MICROBLAZE_32_NONE, /* Type. */ -+ 0, /* Rightshift. */ -+ 2, /* Size (0 = byte, 1 = short, 2 = long). */ -+ 32, /* Bitsize. */ -+ TRUE, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_bitfield, /* Complain on overflow. */ -+ NULL, /* Special Function. */ -+ "R_MICROBLAZE_32_NONE",/* Name. */ -+ FALSE, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0, /* Dest Mask. */ -+ FALSE), /* PC relative offset? */ -+ - /* This reloc does nothing. Used for relaxation. */ - HOWTO (R_MICROBLAZE_64_NONE, /* Type. */ - 0, /* Rightshift. */ -@@ -562,6 +576,9 @@ microblaze_elf_reloc_type_lookup (bfd * - case BFD_RELOC_NONE: - microblaze_reloc = R_MICROBLAZE_NONE; - break; -+ case BFD_RELOC_MICROBLAZE_32_NONE: -+ microblaze_reloc = R_MICROBLAZE_32_NONE; -+ break; - case BFD_RELOC_MICROBLAZE_64_NONE: - microblaze_reloc = R_MICROBLAZE_64_NONE; - break; -@@ -1918,14 +1935,23 @@ microblaze_elf_relax_section (bfd *abfd, - } - break; - case R_MICROBLAZE_NONE: -+ case R_MICROBLAZE_32_NONE: - { - /* This was a PC-relative instruction that was - completely resolved. */ - int sfix, efix; -+ unsigned int val; - bfd_vma target_address; - target_address = irel->r_addend + irel->r_offset; - sfix = calc_fixup (irel->r_offset, 0, sec); - efix = calc_fixup (target_address, 0, sec); -+ -+ /* Validate the in-band val. */ -+ val = bfd_get_32 (abfd, contents + irel->r_offset); -+ if (val != irel->r_addend && ELF32_R_TYPE (irel->r_info) == R_MICROBLAZE_32_NONE) { -+ fprintf(stderr, "%d: CORRUPT relax reloc %x %lx\n", __LINE__, val, irel->r_addend); -+ } -+ - irel->r_addend -= (efix - sfix); - /* Should use HOWTO. */ - microblaze_bfd_write_imm_value_32 (abfd, contents + irel->r_offset, -@@ -1973,12 +1999,16 @@ microblaze_elf_relax_section (bfd *abfd, - irelscanend = irelocs + o->reloc_count; - for (irelscan = irelocs; irelscan < irelscanend; irelscan++) - { -- if (ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_NONE) -+ if (1 && ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32_NONE) - { - unsigned int val; - - isym = isymbuf + ELF32_R_SYM (irelscan->r_info); - -+ /* hax: We only do the following fixup for debug location lists. */ -+ if (strcmp(".debug_loc", o->name)) -+ continue; -+ - /* This was a PC-relative instruction that was completely resolved. */ - if (ocontents == NULL) - { -@@ -2003,15 +2033,16 @@ microblaze_elf_relax_section (bfd *abfd, - } - } - -- irelscan->r_addend -= calc_fixup (irelscan->r_addend -- + isym->st_value, sec); - val = bfd_get_32 (abfd, ocontents + irelscan->r_offset); -+ -+ if (val != irelscan->r_addend) { -+ fprintf(stderr, "%d: CORRUPT relax reloc! %x %lx\n", __LINE__, val, irelscan->r_addend); -+ } -+ irelscan->r_addend -= calc_fixup (irelscan->r_addend, 0, sec); -+ - microblaze_bfd_write_imm_value_32 (abfd, ocontents + irelscan->r_offset, - irelscan->r_addend); - } -- if (ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_64_NONE) { -- fprintf(stderr, "Unhandled NONE 64\n"); -- } - if (ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32) - { - isym = isymbuf + ELF32_R_SYM (irelscan->r_info); -@@ -2071,7 +2102,7 @@ microblaze_elf_relax_section (bfd *abfd, - elf_section_data (o)->this_hdr.contents = ocontents; - } - } -- irelscan->r_addend -= calc_fixup (irel->r_addend -+ irelscan->r_addend -= calc_fixup (irelscan->r_addend - + isym->st_value, - 0, - sec); -Index: git/bfd/libbfd.h -=================================================================== ---- git.orig/bfd/libbfd.h -+++ git/bfd/libbfd.h -@@ -2862,6 +2862,7 @@ static const char *const bfd_reloc_code_ - "BFD_RELOC_MICROBLAZE_32_ROSDA", - "BFD_RELOC_MICROBLAZE_32_RWSDA", - "BFD_RELOC_MICROBLAZE_32_SYM_OP_SYM", -+ "BFD_RELOC_MICROBLAZE_32_NONE", - "BFD_RELOC_MICROBLAZE_64_NONE", - "BFD_RELOC_MICROBLAZE_64_GOTPC", - "BFD_RELOC_MICROBLAZE_64_GOT", -Index: git/bfd/reloc.c -=================================================================== ---- git.orig/bfd/reloc.c -+++ git/bfd/reloc.c -@@ -6865,6 +6865,12 @@ ENUMDOC - This is a 32 bit reloc for the microblaze to handle - expressions of the form "Symbol Op Symbol" - ENUM -+ BFD_RELOC_MICROBLAZE_32_NONE -+ENUMDOC -+ This is a 32 bit reloc that stores the 32 bit pc relative -+ value in two words (with an imm instruction). No relocation is -+ done here - only used for relaxing -+ENUM - BFD_RELOC_MICROBLAZE_64_NONE - ENUMDOC - This is a 64 bit reloc that stores the 32 bit pc relative -Index: git/binutils/readelf.c -=================================================================== ---- git.orig/binutils/readelf.c -+++ git/binutils/readelf.c -@@ -12908,6 +12908,10 @@ is_none_reloc (Filedata * filedata, unsi - || reloc_type == 32 /* R_AVR_DIFF32. */); - case EM_METAG: - return reloc_type == 3; /* R_METAG_NONE. */ -+ case EM_MICROBLAZE: -+ return reloc_type == 33 /* R_MICROBLAZE_32_NONE. */ -+ || reloc_type == 0 /* R_MICROBLAZE_NONE. */ -+ || reloc_type == 9; /* R_MICROBLAZE_64_NONE. */ - case EM_NDS32: - return (reloc_type == 0 /* R_XTENSA_NONE. */ - || reloc_type == 204 /* R_NDS32_DIFF8. */ -Index: git/gas/config/tc-microblaze.c -=================================================================== ---- git.orig/gas/config/tc-microblaze.c -+++ git/gas/config/tc-microblaze.c -@@ -2201,7 +2201,9 @@ md_apply_fix (fixS * fixP, - /* This fixup has been resolved. Create a reloc in case the linker - moves code around due to relaxing. */ - if (fixP->fx_r_type == BFD_RELOC_64_PCREL) -- fixP->fx_r_type = BFD_RELOC_MICROBLAZE_64_NONE; -+ fixP->fx_r_type = BFD_RELOC_MICROBLAZE_64_NONE; -+ else if (fixP->fx_r_type == BFD_RELOC_32) -+ fixP->fx_r_type = BFD_RELOC_MICROBLAZE_32_NONE; - else - fixP->fx_r_type = BFD_RELOC_NONE; - fixP->fx_addsy = section_symbol (absolute_section); -@@ -2426,6 +2428,7 @@ tc_gen_reloc (asection * section ATTRIBU - switch (fixp->fx_r_type) - { - case BFD_RELOC_NONE: -+ case BFD_RELOC_MICROBLAZE_32_NONE: - case BFD_RELOC_MICROBLAZE_64_NONE: - case BFD_RELOC_32: - case BFD_RELOC_MICROBLAZE_32_LO: -Index: git/include/elf/microblaze.h -=================================================================== ---- git.orig/include/elf/microblaze.h -+++ git/include/elf/microblaze.h -@@ -61,6 +61,7 @@ START_RELOC_NUMBERS (elf_microblaze_relo - RELOC_NUMBER (R_MICROBLAZE_TEXTPCREL_64, 30) /* PC-relative TEXT offset. */ - RELOC_NUMBER (R_MICROBLAZE_TEXTREL_64, 31) /* TEXT Entry offset 64-bit. */ - RELOC_NUMBER (R_MICROBLAZE_TEXTREL_32_LO, 32) /* TEXT Entry offset 32-bit. */ -+ RELOC_NUMBER (R_MICROBLAZE_32_NONE, 33) - END_RELOC_NUMBERS (R_MICROBLAZE_max) - - /* Global base address names. */ |