diff options
Diffstat (limited to 'meta-xilinx/meta-xilinx-bsp/recipes-microblaze/binutils/binutils-2.32/0005-LOCAL-Fixup-debug_loc-sections-after-linker-relaxati.patch')
| -rw-r--r-- | meta-xilinx/meta-xilinx-bsp/recipes-microblaze/binutils/binutils-2.32/0005-LOCAL-Fixup-debug_loc-sections-after-linker-relaxati.patch | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/meta-xilinx/meta-xilinx-bsp/recipes-microblaze/binutils/binutils-2.32/0005-LOCAL-Fixup-debug_loc-sections-after-linker-relaxati.patch b/meta-xilinx/meta-xilinx-bsp/recipes-microblaze/binutils/binutils-2.32/0005-LOCAL-Fixup-debug_loc-sections-after-linker-relaxati.patch deleted file mode 100644 index a2954c91e..000000000 --- a/meta-xilinx/meta-xilinx-bsp/recipes-microblaze/binutils/binutils-2.32/0005-LOCAL-Fixup-debug_loc-sections-after-linker-relaxati.patch +++ /dev/null @@ -1,245 +0,0 @@ -From 68a91eb7ac94f0e0c6e9ebd7ad148c80cbc227df Mon Sep 17 00:00:00 2001 -From: Nagaraju Mekala <nmekala@xilix.com> -Date: Mon, 6 Feb 2017 15:53:08 +0530 -Subject: [PATCH] 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. - -Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com> -Signed-off-by: Nagaraju Mekala <nagaraju.mekala@xilinx.com> - ---- - bfd/bfd-in2.h | 9 ++++++-- - bfd/elf32-microblaze.c | 53 ++++++++++++++++++++++++++++++++++------------ - bfd/libbfd.h | 1 + - bfd/reloc.c | 6 ++++++ - binutils/readelf.c | 4 ++++ - gas/config/tc-microblaze.c | 5 ++++- - include/elf/microblaze.h | 2 ++ - 7 files changed, 64 insertions(+), 16 deletions(-) - -diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h -index e251d7e..fe6933a 100644 ---- a/bfd/bfd-in2.h -+++ b/bfd/bfd-in2.h -@@ -5867,10 +5867,15 @@ value relative to the read-write small data area anchor */ - 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 -diff --git a/bfd/elf32-microblaze.c b/bfd/elf32-microblaze.c -index 359484d..1c69c26 100644 ---- a/bfd/elf32-microblaze.c -+++ b/bfd/elf32-microblaze.c -@@ -176,7 +176,21 @@ static reloc_howto_type microblaze_elf_howto_raw[] = - 0x0000ffff, /* Dest Mask. */ - FALSE), /* PC relative offset? */ - -- /* This reloc does nothing. Used for relaxation. */ -+ 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. */ - 3, /* Size (0 = byte, 1 = short, 2 = long). */ -@@ -562,6 +576,9 @@ microblaze_elf_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED, - 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; -@@ -1918,6 +1935,7 @@ 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. */ -@@ -1926,12 +1944,18 @@ microblaze_elf_relax_section (bfd *abfd, - 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, - irel->r_addend); -- } -- break; -+ } -+ break; - case R_MICROBLAZE_64_NONE: - { - /* This was a PC-relative 64-bit instruction that was -@@ -1973,12 +1997,16 @@ 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) - { -@@ -1999,18 +2027,17 @@ microblaze_elf_relax_section (bfd *abfd, - (file_ptr) 0, - o->rawsize)) - goto error_return; -- elf_section_data (o)->this_hdr.contents = ocontents; -- } -- } -- irelscan->r_addend -= calc_fixup (irelscan->r_addend -- + isym->st_value, sec); -+ elf_section_data (o)->this_hdr.contents = ocontents; -+ } -+ } - 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); -@@ -2070,7 +2097,7 @@ 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); -diff --git a/bfd/libbfd.h b/bfd/libbfd.h -index 36284d7..feb9fad 100644 ---- a/bfd/libbfd.h -+++ b/bfd/libbfd.h -@@ -2901,6 +2901,7 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@", - "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", -diff --git a/bfd/reloc.c b/bfd/reloc.c -index e6446a7..87753ae 100644 ---- a/bfd/reloc.c -+++ b/bfd/reloc.c -@@ -6796,6 +6796,12 @@ 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 -diff --git a/binutils/readelf.c b/binutils/readelf.c -index 9df3742..1bbc2d1 100644 ---- a/binutils/readelf.c -+++ b/binutils/readelf.c -@@ -13020,6 +13020,10 @@ is_none_reloc (Filedata * filedata, unsigned int reloc_type) - || reloc_type == 32 /* R_AVR_DIFF32. */); - case EM_METAG: - return reloc_type == 3; /* R_METAG_NONE. */ -+ case EM_MICROBLAZE: -+ return reloc_type == 30 /* 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. */ -diff --git a/gas/config/tc-microblaze.c b/gas/config/tc-microblaze.c -index 3e72840..fa665b4 100644 ---- a/gas/config/tc-microblaze.c -+++ b/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 ATTRIBUTE_UNUSED, fixS * fixp) - 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: -diff --git a/include/elf/microblaze.h b/include/elf/microblaze.h -index 830b5ad..6ee0966 100644 ---- a/include/elf/microblaze.h -+++ b/include/elf/microblaze.h -@@ -61,6 +61,8 @@ START_RELOC_NUMBERS (elf_microblaze_reloc_type) - 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. */ |