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authorWaldemar Brodkorb <wbx@openadk.org>2023-02-26 13:13:16 +0100
committerWaldemar Brodkorb <wbx@openadk.org>2023-02-26 13:13:16 +0100
commit6b1ca2a3e8724652fd73b8fc540f6bc977b8ccb4 (patch)
tree5f708c97733947e85eeb4fc5d52abe2e06c43b32
parent0afc574804b710c8c72970539537fdbdf0fecc87 (diff)
elf2flt: sync with buildroot
-rw-r--r--toolchain/elf2flt/patches/v2021.08/0005-elf2flt-fix-fatal-error-regression-on-m68k-xtensa-ri.patch47
-rw-r--r--toolchain/elf2flt/patches/v2021.08/0007-riscv32.patch22
-rw-r--r--toolchain/elf2flt/patches/v2021.08/0008-remove_BFD_VMA_FMT.patch2117
3 files changed, 30 insertions, 2156 deletions
diff --git a/toolchain/elf2flt/patches/v2021.08/0005-elf2flt-fix-fatal-error-regression-on-m68k-xtensa-ri.patch b/toolchain/elf2flt/patches/v2021.08/0005-elf2flt-fix-fatal-error-regression-on-m68k-xtensa-ri.patch
index 278709cb1..616bbc891 100644
--- a/toolchain/elf2flt/patches/v2021.08/0005-elf2flt-fix-fatal-error-regression-on-m68k-xtensa-ri.patch
+++ b/toolchain/elf2flt/patches/v2021.08/0005-elf2flt-fix-fatal-error-regression-on-m68k-xtensa-ri.patch
@@ -1,8 +1,7 @@
-From 65ac5f9e69cfb989d970da74c41e478774d29be5 Mon Sep 17 00:00:00 2001
+From a8c9f650b82109abf7aa730f298ea5182ed62613 Mon Sep 17 00:00:00 2001
From: Niklas Cassel <niklas.cassel@wdc.com>
Date: Tue, 9 Aug 2022 21:06:05 +0200
-Subject: [PATCH] elf2flt: fix fatal error regression on m68k, xtensa,
- riscv64
+Subject: [PATCH] elf2flt: fix fatal error regression on m68k, xtensa, riscv64
Commit ba379d08bb78 ("elf2flt: fix for segfault on some ARM ELFs")
changed the condition of which input sections that should be included
@@ -12,16 +11,15 @@ to:
((a->flags & (SEC_DATA | SEC_READONLY | SEC_RELOC)) ==
(SEC_DATA | SEC_READONLY | SEC_RELOC))
-On ARM, the .eh_frame input section does not have the SEC_RELOC flag
-set, so this specific change had no effect on ARM.
+On ARM, the .eh_frame input section does not have the SEC_RELOC flag set,
+so on ARM, this change caused .eh_frame to move from .text to .data.
-However, on e.g. m68k and riscv64, the .eh_frame input section does
-have the SEC_RELOC flag set, which means that after commit ba379d08bb78
-("elf2flt: fix for segfault on some ARM ELFs"), read-only relocation
-data sections were placed in .text output section, instead of .data
-output section.
+However, on e.g. m68k, xtensa and riscv64, the .eh_frame input section
+does have the SEC_RELOC flag set, which means that the change in
+commit ba379d08bb78 ("elf2flt: fix for segfault on some ARM ELFs")
+caused .eh_frame to move in an opposite way, i.e. from .data to .text.
-This will result in a fatal error on m68k, xtensa and riscv64:
+This resulted in a fatal error on m68k, xtensa and riscv64:
ERROR: text=0x3bab8 overlaps data=0x33f60 ?
This is because elf2flt cannot append to .text after .data has been
@@ -36,21 +34,26 @@ to .text after .data has been appended to (which will require elf2flt
to move/relocate everything that has already been appended to .data,
since the virtual addresses are contiguous).
-However, for now, add an exception for m68k, xtensa and riscv64
-(specifically for the problematic input section, .eh_frame), so that we
-get the same behavior as older elf2flt releases, where we put read-only
-relocation data in .data, which was working perfectly fine.
+However, for now, add an exception for input sections which have all
+three flags SEC_DATA, SEC_READONLY, and SEC_RELOC set, and which have a
+name equal to a problematic input section (.eh_frame, .gcc_except_table).
+That way, we get the same behavior as older elf2flt releases for m68k,
+xtensa and riscv64, where we put read-only relocation data in .data,
+which was working perfectly fine.
+
+This exception will not change any behavior on ARM, as the .eh_frame
+input section does not have flag SEC_RELOC set.
Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
---
- elf2flt.c | 11 +++++++++--
- 1 file changed, 9 insertions(+), 2 deletions(-)
+ elf2flt.c | 9 +++++++--
+ 1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/elf2flt.c b/elf2flt.c
-index 9c32f9a..a680c89 100644
+index e0d7891..39d035f 100644
--- a/elf2flt.c
+++ b/elf2flt.c
-@@ -340,8 +340,15 @@ compare_relocs (const void *pa, const void *pb)
+@@ -341,8 +341,13 @@ compare_relocs (const void *pa, const void *pb)
static bool
ro_reloc_data_section_should_be_in_text(asection *s)
{
@@ -58,10 +61,8 @@ index 9c32f9a..a680c89 100644
- (SEC_DATA | SEC_READONLY | SEC_RELOC);
+ if ((s->flags & (SEC_DATA | SEC_READONLY | SEC_RELOC)) ==
+ (SEC_DATA | SEC_READONLY | SEC_RELOC)) {
-+#if defined(TARGET_m68k) || defined(TARGET_riscv64) || defined(TARGET_xtensa)
-+ if (!strcmp(".eh_frame", s->name))
++ if (!strcmp(".eh_frame", s->name) || !strcmp(".gcc_except_table", s->name))
+ return false;
-+#endif
+ return true;
+ }
+ return false;
@@ -69,5 +70,5 @@ index 9c32f9a..a680c89 100644
static uint32_t *
--
-2.37.1
+2.39.0
diff --git a/toolchain/elf2flt/patches/v2021.08/0007-riscv32.patch b/toolchain/elf2flt/patches/v2021.08/0007-riscv32.patch
index dad501482..b3c4677be 100644
--- a/toolchain/elf2flt/patches/v2021.08/0007-riscv32.patch
+++ b/toolchain/elf2flt/patches/v2021.08/0007-riscv32.patch
@@ -1,6 +1,6 @@
diff -Nur elf2flt-v2021.08.orig/elf2flt.c elf2flt-v2021.08/elf2flt.c
---- elf2flt-v2021.08.orig/elf2flt.c 2023-01-09 11:08:28.637676113 +0100
-+++ elf2flt-v2021.08/elf2flt.c 2023-01-09 11:16:05.447182514 +0100
+--- elf2flt-v2021.08.orig/elf2flt.c 2023-02-26 11:31:48.758810872 +0100
++++ elf2flt-v2021.08/elf2flt.c 2023-02-26 11:32:05.714465277 +0100
@@ -81,7 +81,7 @@
#include <elf/v850.h>
#elif defined(TARGET_xtensa)
@@ -19,18 +19,8 @@ diff -Nur elf2flt-v2021.08.orig/elf2flt.c elf2flt-v2021.08/elf2flt.c
#else
#error "Don't know how to support your CPU architecture??"
#endif
-@@ -351,7 +353,8 @@
- {
- if ((s->flags & (SEC_DATA | SEC_READONLY | SEC_RELOC)) ==
- (SEC_DATA | SEC_READONLY | SEC_RELOC)) {
--#if defined(TARGET_m68k) || defined(TARGET_riscv64) || defined(TARGET_xtensa)
-+#if defined(TARGET_m68k) || defined(TARGET_riscv64) || \
-+ defined(TARGET_xtensa) || defined(TARGET_riscv32)
- if (!strcmp(".eh_frame", s->name))
- return false;
- #endif
-@@ -838,12 +841,21 @@
- goto good_32bit_resolved_reloc;
+@@ -849,12 +851,21 @@
+ break;
default:
goto bad_resolved_reloc;
-#elif defined(TARGET_riscv64)
@@ -53,8 +43,8 @@ diff -Nur elf2flt-v2021.08.orig/elf2flt.c elf2flt-v2021.08/elf2flt.c
case R_RISCV_32:
case R_RISCV_64:
diff -Nur elf2flt-v2021.08.orig/ld-elf2flt.c elf2flt-v2021.08/ld-elf2flt.c
---- elf2flt-v2021.08.orig/ld-elf2flt.c 2023-01-09 11:08:16.441289072 +0100
-+++ elf2flt-v2021.08/ld-elf2flt.c 2023-01-09 11:16:43.236237537 +0100
+--- elf2flt-v2021.08.orig/ld-elf2flt.c 2023-02-26 11:31:21.047376888 +0100
++++ elf2flt-v2021.08/ld-elf2flt.c 2023-02-26 11:32:05.714465277 +0100
@@ -327,7 +327,7 @@
/* riscv adds a global pointer symbol to the linker file with the
"RISCV_GP:" prefix. Remove the prefix for riscv64 architecture and
diff --git a/toolchain/elf2flt/patches/v2021.08/0008-remove_BFD_VMA_FMT.patch b/toolchain/elf2flt/patches/v2021.08/0008-remove_BFD_VMA_FMT.patch
index abb481186..6367f1383 100644
--- a/toolchain/elf2flt/patches/v2021.08/0008-remove_BFD_VMA_FMT.patch
+++ b/toolchain/elf2flt/patches/v2021.08/0008-remove_BFD_VMA_FMT.patch
@@ -95,2120 +95,3 @@ diff -Nur elf2flt-v2021.08.orig/elf2flt.c elf2flt-v2021.08/elf2flt.c
flat_reloc_count,
q->address, sym_name, addstr,
section_name, sym_reloc_size,
-diff -Nur elf2flt-v2021.08.orig/elf2flt.c.orig elf2flt-v2021.08/elf2flt.c.orig
---- elf2flt-v2021.08.orig/elf2flt.c.orig 2023-01-29 16:47:18.264007463 +0100
-+++ elf2flt-v2021.08/elf2flt.c.orig 1970-01-01 01:00:00.000000000 +0100
-@@ -1,2113 +0,0 @@
--/*
-- * elf2flt.c: Convert ELF (or any BFD format) to FLAT binary format
-- *
-- * (c) 1999-2002, Greg Ungerer <gerg@snapgear.com>
-- * Created elf2flt from coff2flt (see copyrights below). Added all the
-- * ELF format file handling. Extended relocation support for all of
-- * text and data.
-- *
-- * (c) 2008-2009, Xtensa support, Oskar Schirmer <os@emlix.com>
-- * (c) 2006 Support the -a (use_resolved) option for TARGET_arm.
-- * Shaun Jackman <sjackman@gmail.com>
-- * (c) 2004, Nios II support, Wentao Xu <wentao@microtronix.com>
-- * (c) 2003, H8 support, ktrace <davidm@snapgear.com>
-- * (c) 2003-2004, MicroBlaze support, John Williams <jwilliams@itee.uq.edu.au>
-- * (c) 2001-2003, arm/arm-pic/arm-big-endian support <davidm@snapgear.com>
-- * (c) 2001, v850 changes, Mile Bader <miles@lsi.nec.co.jp>
-- * (c) 2003, SuperH support, Paul Mundt <lethal@linux-sh.org>
-- * (c) 2001, zflat support <davidm@snapgear.com>
-- * (c) 2001, Changes for GOT entries Paul Dale <pauli@snapgear.com> and
-- * David McCullough <davidm@snapgear.com>
-- *
-- * Now supports PIC with GOT tables. This works by taking a '.elf' file
-- * and a fully linked elf executable (at address 0) and produces a flat
-- * file that can be loaded with some fixups. It still supports the old
-- * style fully relocatable elf format files.
-- *
-- * Originally obj-res.c
-- *
-- * (c) 1998, Kenneth Albanowski <kjahds@kjahds.com>
-- * (c) 1998, D. Jeff Dionne
-- * (c) 1998, The Silver Hammer Group Ltd.
-- * (c) 1996, 1997 Dionne & Associates <jeff@ryeham.ee.ryerson.ca>
-- *
-- * This is Free Software, under the GNU Public Licence v2 or greater.
-- *
-- * Relocation added March 1997, Kresten Krab Thorup
-- * krab@california.daimi.aau.dk
-- */
--
--#include <inttypes.h> /* All the standard PRI define times for printf */
--#include <stdio.h> /* Userland pieces of the ANSI C standard I/O package */
--#include <stdlib.h> /* Userland prototypes of the ANSI C std lib functions */
--#include <stdarg.h> /* Allows va_list to exist in the these namespaces */
--#include <string.h> /* Userland prototypes of the string handling funcs */
--#include <strings.h>
--#include <unistd.h> /* Userland prototypes of the Unix std system calls */
--#include <fcntl.h> /* Flag value for file handling functions */
--#include <time.h>
--#include <errno.h>
--
--/* from $(INSTALLDIR)/include */
--#include <bfd.h> /* Main header file for the BFD library */
--#include <libiberty.h>
--
--#include "stubs.h"
--const char *elf2flt_progname;
--
--/* Include the right header file for the R_xxx defines. */
--#if defined(TARGET_arm)
--#include <elf/arm.h>
--#elif defined(TARGET_bfin)
--#include <elf/bfin.h>
--#elif defined(TARGET_h8300)
--#include <elf/h8.h>
--#elif defined(TARGET_m68k)
--#include <elf/m68k.h>
--#elif defined(TARGET_microblaze)
--#include <elf/microblaze.h>
--#elif defined(TARGET_nios) || defined(TARGET_nios2)
--/* Altera NIOS specific definitions. */
--#define FLAT_NIOS2_R_32 0 /* Normal 32-bit reloc */
--#define FLAT_NIOS2_R_HI_LO 1
--#define FLAT_NIOS2_R_HIADJ_LO 2
--#define FLAT_NIOS2_R_CALL26 4
--#include <elf/nios2.h>
--#elif defined(TARGET_sh)
--#include <elf/sh.h>
--#elif defined(TARGET_sparc)
--#include <elf/sparc.h>
--#elif defined(TARGET_v850)
--#include <elf/v850.h>
--#elif defined(TARGET_xtensa)
--#include <elf/xtensa.h>
--#elif defined(TARGET_riscv64)
--#include <elf/riscv.h>
--#endif
--
--#if defined(__MINGW32__)
--#include <getopt.h>
--#endif
--
--/* from uClinux-x.x.x/include/linux */
--#include "flat.h" /* Binary flat header description */
--#include "compress.h"
--
--#ifdef TARGET_e1
--#include <e1.h>
--#endif
--
--#ifdef TARGET_v850e
--#define TARGET_v850
--#endif
--
--#if defined(TARGET_m68k)
--#define ARCH "m68k/coldfire"
--#elif defined(TARGET_arm)
--#define ARCH "arm"
--#elif defined(TARGET_sparc)
--#define ARCH "sparc"
--#elif defined(TARGET_v850)
--#define ARCH "v850"
--#elif defined(TARGET_sh)
--#define ARCH "sh"
--#elif defined(TARGET_h8300)
--#define ARCH "h8300"
--#elif defined(TARGET_microblaze)
--#define ARCH "microblaze"
--#elif defined(TARGET_e1)
--#define ARCH "e1-coff"
--#elif defined(TARGET_bfin)
--#define ARCH "bfin"
--#elif defined(TARGET_nios)
--#define ARCH "nios"
--#elif defined(TARGET_nios2)
--#define ARCH "nios2"
--#elif defined(TARGET_xtensa)
--#define ARCH "xtensa"
--#elif defined(TARGET_riscv64)
--#define ARCH "riscv64"
--#else
--#error "Don't know how to support your CPU architecture??"
--#endif
--
--#if defined(TARGET_m68k) || defined(TARGET_h8300) || defined(TARGET_bfin)
--/*
-- * Define a maximum number of bytes allowed in the offset table.
-- * We'll fail if the table is larger than this.
-- *
-- * This limit may be different for platforms other than m68k, but
-- * 8000 entries is a lot, trust me :-) (davidm)
-- */
--#define GOT_LIMIT 32767
--/*
-- * we have to mask out the shared library id here and there, this gives
-- * us the real address bits when needed
-- */
--#define real_address_bits(x) (pic_with_got ? ((x) & 0xffffff) : (x))
--#else
--#define real_address_bits(x) (x)
--#endif
--
--#ifndef O_BINARY
--#define O_BINARY 0
--#endif
--
--/*
-- * The bfd parameter isn't actually used by any of the bfd_section funcs and
-- * have been removed since binutils 2.34.
-- */
--#ifdef HAVE_BFD_SECTION_API_TAKES_BFD
--#define elf2flt_bfd_section_size(s) bfd_section_size(NULL, s)
--#define elf2flt_bfd_section_vma(s) bfd_section_vma(NULL, s)
--#else
--#define elf2flt_bfd_section_size(s) bfd_section_size(s)
--#define elf2flt_bfd_section_vma(s) bfd_section_vma(s)
--#endif
--
--/* Extra output when running. */
--static int verbose = 0;
--/* Do ELF/GOT processing with PIC code. */
--static int pic_with_got = 0;
--/* Instruct loader to allocate everything into RAM. */
--static int load_to_ram = 0;
--/* Instruct kernel loader to output debug/trace info when loading. */
--static int ktrace = 0;
--/* 1 = compress everything, 2 = compress data only. */
--static int docompress = 0;
--/* If true, get the value of symbol references from the program contents,
-- not from the relocation table. In this case, the input ELF file must
-- be already fully resolved (using the `-q' flag with recent versions of
-- GNU ld will give you a fully resolved output file with relocation
-- entries). */
--static int use_resolved = 0;
--
--/* Set if the text section contains any relocations. If it does, we must
-- set the load_to_ram flag. */
--static int text_has_relocs = 0;
--
--static asymbol **
--get_symbols (bfd *abfd, long *num)
--{
-- int32_t storage_needed;
-- asymbol **symbol_table;
-- long number_of_symbols;
--
-- storage_needed = bfd_get_symtab_upper_bound (abfd);
--
-- if (storage_needed < 0)
-- abort ();
--
-- if (storage_needed == 0)
-- return NULL;
--
-- symbol_table = xmalloc (storage_needed);
--
-- number_of_symbols = bfd_canonicalize_symtab (abfd, symbol_table);
--
-- if (number_of_symbols < 0)
-- abort ();
--
-- *num = number_of_symbols;
-- return symbol_table;
--}
--
--
--
--static int
--dump_symbols(asymbol **symbol_table, long number_of_symbols)
--{
-- long i;
-- printf("SYMBOL TABLE:\n");
-- for (i=0; i<number_of_symbols; i++) {
-- printf(" NAME=%s VALUE=0x%"BFD_VMA_FMT"x\n",
-- symbol_table[i]->name, symbol_table[i]->value);
-- }
-- printf("\n");
-- return(0);
--}
--
--
--
--#if !defined TARGET_e1 && !defined TARGET_bfin
--static long
--get_symbol_offset(char *name, asection *sec, asymbol **symbol_table, long number_of_symbols)
--{
-- long i;
-- for (i=0; i<number_of_symbols; i++) {
-- if (symbol_table[i]->section == sec) {
-- if (!strcmp(symbol_table[i]->name, name)) {
-- return symbol_table[i]->value;
-- }
-- }
-- }
-- return -1;
--}
--#endif
--
--
--
--#ifdef TARGET_nios2
--static long
--get_gp_value(asymbol **symbol_table, long number_of_symbols)
--{
-- long i;
-- for (i=0; i<number_of_symbols; i++) {
-- if (!strcmp(symbol_table[i]->name, "_gp"))
-- return symbol_table[i]->value;
-- }
-- return -1;
--}
--#endif
--
--
--
--static int32_t
--add_com_to_bss(asymbol **symbol_table, int32_t number_of_symbols, int32_t bss_len)
--{
-- int32_t i, comsize;
-- int32_t offset;
--
-- comsize = 0;
-- for (i=0; i<number_of_symbols; i++) {
-- if (strcmp("*COM*", symbol_table[i]->section->name) == 0) {
-- offset = bss_len + comsize;
-- comsize += symbol_table[i]->value;
-- symbol_table[i]->value = offset;
-- }
-- }
-- return comsize;
--}
--
--#ifdef TARGET_bfin
--/* FUNCTION : weak_und_symbol
-- ABSTRACT : return true if symbol is weak and undefined.
--*/
--static int
--weak_und_symbol(const char *reloc_section_name,
-- struct bfd_symbol *symbol)
--{
-- if (!(strstr (reloc_section_name, "text")
-- || strstr (reloc_section_name, "data")
-- || strstr (reloc_section_name, "bss"))) {
-- if (symbol->flags & BSF_WEAK) {
--#ifdef DEBUG_BFIN
-- fprintf(stderr, "found weak undefined symbol %s\n", symbol->name);
--#endif
-- return TRUE;
-- }
-- }
-- return FALSE;
--}
--
--static int
--bfin_set_reloc (uint32_t *reloc,
-- const char *reloc_section_name,
-- const char *sym_name,
-- struct bfd_symbol *symbol,
-- int sp, int32_t offset)
--{
-- unsigned int type = 0;
-- uint32_t val;
--
-- if (strstr (reloc_section_name, "stack")) {
-- if (verbose)
-- printf("Stack-relative reloc, offset %08"PRIx32"\n", offset);
-- /* This must be a stack_start reloc for stack checking. */
-- type = 1;
-- }
-- val = (offset & ((1 << 26) - 1));
-- val |= (sp & ((1 << 3) - 1)) << 26;
-- val |= type << 29;
-- *reloc = val;
-- return 0;
--}
--
--static bfd *compare_relocs_bfd;
--
--static int
--compare_relocs (const void *pa, const void *pb)
--{
-- const arelent *const *a = pa, *const *b = pb;
-- const arelent *ra = *a, *rb = *b;
-- unsigned long va, vb;
-- uint32_t a_vma, b_vma;
--
-- if (!ra->sym_ptr_ptr || !*ra->sym_ptr_ptr)
-- return -1;
-- else if (!rb->sym_ptr_ptr || !*rb->sym_ptr_ptr)
-- return 1;
--
-- a_vma = elf2flt_bfd_section_vma((*(ra->sym_ptr_ptr))->section);
-- b_vma = elf2flt_bfd_section_vma((*(rb->sym_ptr_ptr))->section);
-- va = (*(ra->sym_ptr_ptr))->value + a_vma + ra->addend;
-- vb = (*(rb->sym_ptr_ptr))->value + b_vma + rb->addend;
-- return va - vb;
--}
--#endif
--
--static bool
--ro_reloc_data_section_should_be_in_text(asection *s)
--{
-- if ((s->flags & (SEC_DATA | SEC_READONLY | SEC_RELOC)) ==
-- (SEC_DATA | SEC_READONLY | SEC_RELOC)) {
--#if defined(TARGET_m68k) || defined(TARGET_riscv64) || defined(TARGET_xtensa)
-- if (!strcmp(".eh_frame", s->name))
-- return false;
--#endif
-- return true;
-- }
-- return false;
--}
--
--static uint32_t *
--output_relocs (
-- bfd *abs_bfd,
-- asymbol **symbols,
-- int number_of_symbols,
-- uint32_t *n_relocs,
-- unsigned char *text, int text_len, uint32_t text_vma,
-- unsigned char *data, int data_len, uint32_t data_vma,
-- bfd *rel_bfd)
--{
-- uint32_t *flat_relocs;
-- asection *a, *sym_section, *r;
-- arelent **relpp, **p, *q;
-- const char *sym_name, *section_name;
-- unsigned char *sectionp;
-- unsigned long pflags;
-- char addstr[20];
-- uint32_t sym_addr, sym_vma, section_vma;
-- int relsize, relcount;
-- int flat_reloc_count;
-- int sym_reloc_size, rc;
-- int got_size = 0;
-- int bad_relocs = 0;
-- asymbol **symb;
-- long nsymb;
--#ifdef TARGET_bfin
-- unsigned long persistent_data = 0;
--#endif
--
--#if 0
-- printf("%s(%d): output_relocs(abs_bfd=%d,symbols=0x%x,number_of_symbols=%d,"
-- "n_relocs=0x%x,text=0x%x,text_len=%d,data=0x%x,data_len=%d)\n",
-- __FILE__, __LINE__, abs_bfd, symbols, number_of_symbols, n_relocs,
-- text, text_len, data, data_len);
--#endif
--
-- if (0)
-- dump_symbols(symbols, number_of_symbols);
--
-- *n_relocs = 0;
-- flat_relocs = NULL;
-- flat_reloc_count = 0;
-- sym_reloc_size = 0;
-- rc = 0;
-- pflags = 0;
-- /* Silence gcc warnings */
-- (void) pflags;
-- (void) sym_vma;
--
-- /* Determine how big our offset table is in bytes.
-- * This isn't too difficult as we've terminated the table with -1.
-- * Also note that both the relocatable and absolute versions have this
-- * terminator even though the relocatable one doesn't have the GOT!
-- */
-- if (pic_with_got && !use_resolved) {
-- uint32_t *lp = (uint32_t *)data;
-- /* Should call ntohl(*lp) here but is isn't going to matter */
-- while (*lp != 0xffffffff) lp++;
-- got_size = ((unsigned char *)lp) - data;
-- if (verbose)
-- printf("GOT table contains %zu entries (%d bytes)\n",
-- got_size/sizeof(uint32_t), got_size);
--#ifdef TARGET_m68k
-- if (got_size > GOT_LIMIT)
-- fatal("GOT too large: %d bytes (limit = %d bytes)",
-- got_size, GOT_LIMIT);
--#endif
-- }
--
-- for (a = abs_bfd->sections; (a != (asection *) NULL); a = a->next) {
-- section_vma = elf2flt_bfd_section_vma(a);
--
-- if (verbose)
-- printf("SECTION: %s [%p]: flags=0x%x vma=0x%"PRIx32"\n",
-- a->name, a, a->flags, section_vma);
--
--// if (bfd_is_abs_section(a))
--// continue;
-- if (bfd_is_und_section(a))
-- continue;
-- if (bfd_is_com_section(a))
-- continue;
--// if ((a->flags & SEC_RELOC) == 0)
--// continue;
--
-- /*
-- * Only relocate things in the writable data sections if we are PIC/GOT.
-- * Otherwise do text (and read only data) as well.
-- */
-- if ((!pic_with_got || ALWAYS_RELOC_TEXT) &&
-- ((a->flags & SEC_CODE) ||
-- ro_reloc_data_section_should_be_in_text(a)))
-- sectionp = text + (a->vma - text_vma);
-- else if (a->flags & SEC_DATA)
-- sectionp = data + (a->vma - data_vma);
-- else
-- continue;
--
-- /* Now search for the equivalent section in the relocation binary
-- * and use that relocation information to build reloc entries
-- * for this one.
-- */
-- for (r=rel_bfd->sections; r != NULL; r=r->next)
-- if (strcmp(a->name, r->name) == 0)
-- break;
-- if (r == NULL)
-- continue;
-- if (verbose)
-- printf(" RELOCS: %s [%p]: flags=0x%x vma=0x%"BFD_VMA_FMT"x\n",
-- r->name, r, r->flags, elf2flt_bfd_section_vma(r));
-- if ((r->flags & SEC_RELOC) == 0)
-- continue;
-- relsize = bfd_get_reloc_upper_bound(rel_bfd, r);
-- if (relsize <= 0) {
-- if (verbose)
-- printf("%s(%d): no relocation entries section=%s\n",
-- __FILE__, __LINE__, r->name);
-- continue;
-- }
--
-- symb = get_symbols(rel_bfd, &nsymb);
-- relpp = xmalloc(relsize);
--
-- relcount = bfd_canonicalize_reloc(rel_bfd, r, relpp, symb);
-- if (relcount <= 0) {
-- if (verbose)
-- printf("%s(%d): no relocation entries section=%s\n",
-- __FILE__, __LINE__, r->name);
-- continue;
-- } else {
--#ifdef TARGET_bfin
-- compare_relocs_bfd = abs_bfd;
-- qsort (relpp, relcount, sizeof *relpp, compare_relocs);
--#endif
-- for (p = relpp; (relcount && (*p != NULL)); p++, relcount--) {
-- unsigned char *r_mem = NULL;
-- int relocation_needed = 0;
-- /* Do we need to update the text segment? By default yes if not pic_with_got */
-- int update_text = !pic_with_got;
--
--#ifdef TARGET_v850
-- /* Skip this relocation entirely if possible (we
-- do this early, before doing any other
-- processing on it). */
-- switch ((*p)->howto->type) {
-- case R_V850_9_PCREL:
-- case R_V850_22_PCREL:
-- case R_V850_SDA_16_16_OFFSET:
-- case R_V850_SDA_15_16_OFFSET:
-- case R_V850_ZDA_15_16_OFFSET:
-- case R_V850_TDA_6_8_OFFSET:
-- case R_V850_TDA_7_8_OFFSET:
-- case R_V850_TDA_7_7_OFFSET:
-- case R_V850_TDA_16_16_OFFSET:
-- case R_V850_TDA_4_5_OFFSET:
-- case R_V850_TDA_4_4_OFFSET:
-- case R_V850_SDA_16_16_SPLIT_OFFSET:
-- case R_V850_CALLT_6_7_OFFSET:
-- case R_V850_CALLT_16_16_OFFSET:
-- /* These are relative relocations, which
-- have already been fixed up by the
-- linker at this point, so just ignore
-- them. */
-- continue;
-- }
--#endif /* USE_V850_RELOCS */
--
-- q = *p;
-- if (q->sym_ptr_ptr && *q->sym_ptr_ptr) {
-- sym_name = (*(q->sym_ptr_ptr))->name;
-- sym_section = (*(q->sym_ptr_ptr))->section;
-- section_name=(*(q->sym_ptr_ptr))->section->name;
-- } else {
-- printf("ERROR: undefined relocation entry\n");
-- rc = -1;
-- continue;
-- }
--#ifndef TARGET_bfin
-- /* Adjust the address to account for the GOT table which wasn't
-- * present in the relative file link.
-- */
-- if (pic_with_got && !use_resolved)
-- q->address += got_size;
--#endif
--
-- /* A pointer to what's being relocated, used often
-- below. */
-- r_mem = sectionp + q->address;
--
-- /*
-- * Fixup offset in the actual section.
-- */
-- addstr[0] = 0;
--#if !defined TARGET_e1 && !defined TARGET_bfin
-- if ((sym_addr = get_symbol_offset((char *) sym_name,
-- sym_section, symbols, number_of_symbols)) == -1) {
-- sym_addr = 0;
-- }
--#else
-- sym_addr = (*(q->sym_ptr_ptr))->value;
--#endif
-- if (use_resolved) {
-- /* Use the address of the symbol already in
-- the program text. How this is handled may
-- still depend on the particular relocation
-- though. */
-- switch (q->howto->type) {
--#ifdef TARGET_v850
-- int r2_type;
-- case R_V850_HI16_S:
-- /* We specially handle adjacent
-- HI16_S/ZDA_15_16_OFFSET and
-- HI16_S/LO16 pairs that reference the
-- same address (these are usually
-- movhi/ld and movhi/movea pairs,
-- respectively). */
-- if (relcount == 0)
-- r2_type = R_V850_NONE;
-- else
-- r2_type = p[1]->howto->type;
-- if ((r2_type == R_V850_ZDA_15_16_OFFSET
-- || r2_type == R_V850_LO16)
-- && (p[0]->sym_ptr_ptr
-- == p[1]->sym_ptr_ptr)
-- && (p[0]->addend == p[1]->addend))
-- {
-- relocation_needed = 1;
--
-- switch (r2_type) {
-- case R_V850_ZDA_15_16_OFFSET:
-- pflags = 0x10000000;
-- break;
-- case R_V850_LO16:
-- pflags = 0x20000000;
-- break;
-- }
--
-- /* We don't really need the
-- actual value -- the bits
-- produced by the linker are
-- what we want in the final
-- flat file -- but get it
-- anyway if useful for
-- debugging. */
-- if (verbose) {
-- unsigned char *r2_mem =
-- sectionp
-- + p[1]->address;
-- /* little-endian */
-- int hi = r_mem[0]
-- + (r_mem[1] << 8);
-- int lo = r2_mem[0]
-- + (r2_mem[1] << 8);
-- /* Sign extend LO. */
-- lo = (lo ^ 0x8000)
-- - 0x8000;
--
-- /* Maybe ignore the LSB
-- of LO, which is
-- actually part of the
-- instruction. */
-- if (r2_type != R_V850_LO16)
-- lo &= ~1;
--
-- sym_addr =
-- (hi << 16)
-- + lo;
-- }
-- } else
-- goto bad_resolved_reloc;
-- break;
--
-- case R_V850_LO16:
-- /* See if this is actually the
-- 2nd half of a pair. */
-- if (p > relpp
-- && (p[-1]->howto->type
-- == R_V850_HI16_S)
-- && (p[-1]->sym_ptr_ptr
-- == p[0]->sym_ptr_ptr)
-- && (p[-1]->addend == p[0]->addend))
-- break; /* not an error */
-- else
-- goto bad_resolved_reloc;
--
-- case R_V850_HI16:
-- goto bad_resolved_reloc;
-- default:
-- goto good_32bit_resolved_reloc;
--#elif defined(TARGET_microblaze)
-- case R_MICROBLAZE_64:
-- sym_addr =
-- (r_mem[2] << 24)
-- + (r_mem[3] << 16)
-- + (r_mem[6] << 8)
-- + r_mem[7];
-- relocation_needed = 1;
-- update_text = 0;
-- pflags = 0x80000000;
-- break;
-- case R_MICROBLAZE_GOTPC_64:
-- /* This is data-relative. We can't support this with bflt */
-- goto bad_resolved_reloc;
-- case R_MICROBLAZE_GOT_64:
-- /* This is a GOT relocation. But it is accessed via the GOT register (r20)
-- * so doesn't need relocation
-- */
-- relocation_needed = 0;
-- break;
-- case R_MICROBLAZE_32:
-- goto good_32bit_resolved_reloc;
-- /* These are already relocated for us as text-relative, or are dummy entries */
-- case R_MICROBLAZE_64_PCREL:
-- case R_MICROBLAZE_PLT_64:
-- case R_MICROBLAZE_NONE:
-- case R_MICROBLAZE_64_NONE:
-- case R_MICROBLAZE_32_PCREL_LO:
-- relocation_needed = 0;
-- continue;
-- default:
-- goto bad_resolved_reloc;
--#elif defined(TARGET_arm)
-- case R_ARM_TARGET1:
-- case R_ARM_TARGET2:
-- case R_ARM_ABS32:
-- relocation_needed = 1;
-- break;
-- case R_ARM_REL32:
-- case R_ARM_JUMP24:
-- case R_ARM_CALL:
-- case R_ARM_THM_PC11:
-- case R_ARM_THM_PC22:
-- case R_ARM_THM_JUMP24:
-- case R_ARM_PC24:
-- case R_ARM_PLT32:
-- case R_ARM_GOTPC:
-- case R_ARM_GOT32:
-- case R_ARM_PREL31:
-- case R_ARM_V4BX:
-- case R_ARM_NONE:
-- relocation_needed = 0;
-- break;
-- default:
-- goto bad_resolved_reloc;
--#elif defined(TARGET_m68k)
-- case R_68K_32:
-- goto good_32bit_resolved_reloc;
-- case R_68K_PC32:
-- case R_68K_PC16:
-- /* The linker has already resolved
-- PC relocs for us. In PIC links,
-- the symbol must be in the data
-- segment. */
-- case R_68K_NONE:
-- continue;
-- default:
-- goto bad_resolved_reloc;
--#elif defined TARGET_bfin
-- case R_BFIN_RIMM16:
-- case R_BFIN_LUIMM16:
-- case R_BFIN_HUIMM16:
-- sym_vma = elf2flt_bfd_section_vma(sym_section);
-- sym_addr += sym_vma + q->addend;
--
-- if (weak_und_symbol(sym_section->name, (*(q->sym_ptr_ptr))))
-- continue;
-- if (q->howto->type == R_BFIN_RIMM16 && (0xFFFF0000 & sym_addr)) {
-- fprintf (stderr, "Relocation overflow for rN = %s\n",sym_name);
-- bad_relocs++;
-- }
-- if ((0xFFFF0000 & sym_addr) != persistent_data) {
-- flat_relocs = (uint32_t *)
-- (realloc (flat_relocs, (flat_reloc_count + 1) * sizeof (uint32_t)));
-- if (verbose)
-- printf("New persistent data for %08"PRIx32"\n", sym_addr);
-- persistent_data = 0xFFFF0000 & sym_addr;
-- flat_relocs[flat_reloc_count++]
-- = (sym_addr >> 16) | (3 << 26);
-- }
--
-- flat_relocs = (uint32_t *)
-- (realloc (flat_relocs, (flat_reloc_count + 1) * sizeof (uint32_t)));
-- if (bfin_set_reloc (flat_relocs + flat_reloc_count,
-- sym_section->name, sym_name,
-- (*(q->sym_ptr_ptr)),
-- q->howto->type == R_BFIN_HUIMM16 ? 1 : 0,
-- section_vma + q->address))
-- bad_relocs++;
-- if (a->flags & SEC_CODE)
-- text_has_relocs = 1;
-- flat_reloc_count++;
-- break;
--
-- case R_BFIN_BYTE4_DATA:
-- sym_vma = elf2flt_bfd_section_vma(sym_section);
-- sym_addr += sym_vma + q->addend;
--
-- if (weak_und_symbol (sym_section->name, (*(q->sym_ptr_ptr))))
-- continue;
--
-- flat_relocs = (uint32_t *)
-- (realloc (flat_relocs, (flat_reloc_count + 1) * sizeof (uint32_t)));
-- if (bfin_set_reloc (flat_relocs + flat_reloc_count,
-- sym_section->name, sym_name,
-- (*(q->sym_ptr_ptr)),
-- 2, section_vma + q->address))
-- bad_relocs++;
-- if (a->flags & SEC_CODE)
-- text_has_relocs = 1;
--
-- flat_reloc_count++;
-- break;
--#elif defined (TARGET_h8300)
-- case R_H8_DIR32:
-- case R_H8_DIR32A16:
-- case R_H8_DISP32A16:
-- r_mem[0] = 0;
-- case R_H8_DIR24A8:
-- case R_H8_DIR24R8:
-- goto good_32bit_resolved_reloc;
-- case R_H8_PCREL8:
-- case R_H8_PCREL16:
-- continue;
--#elif defined(TARGET_xtensa)
-- case R_XTENSA_NONE:
-- case R_XTENSA_OP0:
-- case R_XTENSA_OP1:
-- case R_XTENSA_OP2:
-- case R_XTENSA_SLOT0_OP:
-- case R_XTENSA_SLOT1_OP:
-- case R_XTENSA_SLOT2_OP:
-- case R_XTENSA_SLOT3_OP:
-- case R_XTENSA_SLOT4_OP:
-- case R_XTENSA_SLOT5_OP:
-- case R_XTENSA_SLOT6_OP:
-- case R_XTENSA_SLOT7_OP:
-- case R_XTENSA_SLOT8_OP:
-- case R_XTENSA_SLOT9_OP:
-- case R_XTENSA_SLOT10_OP:
-- case R_XTENSA_SLOT11_OP:
-- case R_XTENSA_SLOT12_OP:
-- case R_XTENSA_SLOT13_OP:
-- case R_XTENSA_SLOT14_OP:
-- case R_XTENSA_SLOT0_ALT:
-- case R_XTENSA_SLOT1_ALT:
-- case R_XTENSA_SLOT2_ALT:
-- case R_XTENSA_SLOT3_ALT:
-- case R_XTENSA_SLOT4_ALT:
-- case R_XTENSA_SLOT5_ALT:
-- case R_XTENSA_SLOT6_ALT:
-- case R_XTENSA_SLOT7_ALT:
-- case R_XTENSA_SLOT8_ALT:
-- case R_XTENSA_SLOT9_ALT:
-- case R_XTENSA_SLOT10_ALT:
-- case R_XTENSA_SLOT11_ALT:
-- case R_XTENSA_SLOT12_ALT:
-- case R_XTENSA_SLOT13_ALT:
-- case R_XTENSA_SLOT14_ALT:
-- case R_XTENSA_ASM_EXPAND:
-- case R_XTENSA_ASM_SIMPLIFY:
-- case R_XTENSA_DIFF8:
-- case R_XTENSA_DIFF16:
-- case R_XTENSA_DIFF32:
--#if HAVE_BFD_XTENSA_PDIFF_RELOCS
-- case R_XTENSA_PDIFF8:
-- case R_XTENSA_PDIFF16:
-- case R_XTENSA_PDIFF32:
-- case R_XTENSA_NDIFF8:
-- case R_XTENSA_NDIFF16:
-- case R_XTENSA_NDIFF32:
--#endif
-- case R_XTENSA_32_PCREL:
-- continue;
-- case R_XTENSA_32:
-- case R_XTENSA_PLT:
-- if (bfd_big_endian (abs_bfd))
-- sym_addr =
-- (r_mem[0] << 24)
-- + (r_mem[1] << 16)
-- + (r_mem[2] << 8)
-- + r_mem[3];
-- else
-- sym_addr =
-- r_mem[0]
-- + (r_mem[1] << 8)
-- + (r_mem[2] << 16)
-- + (r_mem[3] << 24);
-- relocation_needed = 1;
-- break;
-- default:
-- goto bad_resolved_reloc;
--#elif defined(TARGET_riscv64)
-- case R_RISCV_32_PCREL:
-- case R_RISCV_ADD32:
-- case R_RISCV_ADD64:
-- case R_RISCV_SUB32:
-- case R_RISCV_SUB64:
-- continue;
-- case R_RISCV_32:
-- case R_RISCV_64:
-- goto good_32bit_resolved_reloc;
-- default:
-- goto bad_resolved_reloc;
--#else
-- default:
-- /* The default is to assume that the
-- relocation is relative and has
-- already been fixed up by the
-- linker (perhaps we ought to make
-- give an error by default, and
-- require `safe' relocations to be
-- enumberated explicitly?). */
-- goto good_32bit_resolved_reloc;
--#endif
-- good_32bit_resolved_reloc:
-- if (bfd_big_endian (abs_bfd))
-- sym_addr =
-- (r_mem[0] << 24)
-- + (r_mem[1] << 16)
-- + (r_mem[2] << 8)
-- + r_mem[3];
-- else
-- sym_addr =
-- r_mem[0]
-- + (r_mem[1] << 8)
-- + (r_mem[2] << 16)
-- + (r_mem[3] << 24);
-- relocation_needed = 1;
-- update_text = 0;
-- break;
--
-- bad_resolved_reloc:
-- printf("ERROR: reloc type %s unsupported in this context\n",
-- q->howto->name);
-- bad_relocs++;
-- break;
-- }
-- } else {
-- /* Calculate the sym address ourselves. */
--#if defined(TARGET_xtensa)
-- /* For xtensa, calculation of addresses won't
-- work this way. binutils "ld -r" generate
-- different relocation types, among others
-- type 20, R_XTENSA_SLOT0_OP. The latter is
-- produced for various opcodes that differ
-- in size and format, some will have the
-- addend filled in when linking, others won't.
-- For elf2flt to handle these relocations
-- would involve analysing the opcodes in
-- detail. Therefore, elf2flt for xtensa is
-- patched to work with "-a" option solely,
-- which will take output of "ld -q".
-- */
-- fatal("ERROR: cannot run without '-a'");
--#endif
-- sym_reloc_size = bfd_get_reloc_size(q->howto);
--
-- if (sym_reloc_size == 0) {
-- /* These are dummy relocs that can be ignored */
-- continue;
-- }
--
--#if !defined(TARGET_h8300) && !defined(TARGET_e1) && !defined(TARGET_bfin) && !defined(TARGET_m68k)
-- if (sym_reloc_size != 4) {
-- printf("ERROR: bad reloc type %d size=%d for symbol=%s\n",
-- (*p)->howto->type, sym_reloc_size, sym_name);
-- bad_relocs++;
-- rc = -1;
-- continue;
-- }
--#endif
--
-- switch ((*p)->howto->type) {
--
--#if defined(TARGET_m68k)
-- case R_68K_32:
-- relocation_needed = 1;
-- sym_vma = elf2flt_bfd_section_vma(sym_section);
-- sym_addr += sym_vma + q->addend;
-- break;
-- case R_68K_PC16:
-- case R_68K_PC32:
-- sym_vma = 0;
-- sym_addr += sym_vma + q->addend;
-- sym_addr -= q->address;
-- break;
--#endif
--
--#if defined(TARGET_arm)
-- case R_ARM_ABS32:
-- relocation_needed = 1;
-- if (verbose)
-- fprintf(stderr,
-- "%s vma=0x%x, "
-- "value=0x%"BFD_VMA_FMT"x, "
-- "address=0x%"BFD_VMA_FMT"x "
-- "sym_addr=0x%x rs=0x%x, opcode=0x%x\n",
-- "ABS32",
-- sym_vma, (*(q->sym_ptr_ptr))->value,
-- q->address, sym_addr,
-- (*p)->howto->rightshift,
-- *(uint32_t *)r_mem);
-- sym_vma = elf2flt_bfd_section_vma(sym_section);
-- sym_addr += sym_vma + q->addend;
-- break;
-- case R_ARM_GOT32:
-- case R_ARM_GOTPC:
-- /* Should be fine as is */
-- break;
-- case R_ARM_PLT32:
-- if (verbose)
-- fprintf(stderr,
-- "%s vma=0x%x, "
-- "value=0x%"BFD_VMA_FMT"x, "
-- "address=0x%"BFD_VMA_FMT"x "
-- "sym_addr=0x%x rs=0x%x, opcode=0x%x\n",
-- "PLT32",
-- sym_vma, (*(q->sym_ptr_ptr))->value,
-- q->address, sym_addr,
-- (*p)->howto->rightshift,
-- *(uint32_t *)r_mem);
-- case R_ARM_PC24:
-- sym_vma = 0;
-- sym_addr = (sym_addr-q->address)>>(*p)->howto->rightshift;
-- break;
--#endif
--
--#ifdef TARGET_v850
-- case R_V850_ABS32:
-- relocation_needed = 1;
-- sym_vma = elf2flt_bfd_section_vma(sym_section);
-- sym_addr += sym_vma + q->addend;
-- break;
-- case R_V850_ZDA_16_16_OFFSET:
-- case R_V850_ZDA_16_16_SPLIT_OFFSET:
-- /* Can't support zero-relocations. */
-- printf ("ERROR: %s+0x%"BFD_VMA_FMT"x: zero relocations not supported\n",
-- sym_name, q->addend);
-- continue;
--#endif /* TARGET_v850 */
--
--#ifdef TARGET_h8300
-- case R_H8_DIR24R8:
-- if (sym_reloc_size != 4) {
-- printf("R_H8_DIR24R8 size %d\n", sym_reloc_size);
-- bad_relocs++;
-- continue;
-- }
-- relocation_needed = 1;
-- sym_addr = (*(q->sym_ptr_ptr))->value;
-- q->address -= 1;
-- r_mem -= 1; /* tracks q->address */
-- sym_vma = elf2flt_bfd_section_vma(sym_section);
-- sym_addr += sym_vma + q->addend;
-- sym_addr |= (*(unsigned char *)r_mem<<24);
-- break;
-- case R_H8_DIR24A8:
-- if (sym_reloc_size != 4) {
-- printf("R_H8_DIR24A8 size %d\n", sym_reloc_size);
-- bad_relocs++;
-- continue;
-- }
-- /* Absolute symbol done not relocation */
-- relocation_needed = !bfd_is_abs_section(sym_section);
-- sym_addr = (*(q->sym_ptr_ptr))->value;
-- sym_vma = elf2flt_bfd_section_vma(sym_section);
-- sym_addr += sym_vma + q->addend;
-- break;
-- case R_H8_DIR32:
-- case R_H8_DIR32A16: /* currently 32, could be made 16 */
-- case R_H8_DISP32A16:
-- if (sym_reloc_size != 4) {
-- printf("R_H8_DIR32 size %d\n", sym_reloc_size);
-- bad_relocs++;
-- continue;
-- }
-- relocation_needed = 1;
-- sym_addr = (*(q->sym_ptr_ptr))->value;
-- sym_vma = elf2flt_bfd_section_vma(sym_section);
-- sym_addr += sym_vma + q->addend;
-- break;
-- case R_H8_PCREL16:
-- relocation_needed = 0;
-- sym_vma = 0;
-- sym_addr = (*(q->sym_ptr_ptr))->value;
-- sym_addr += sym_vma + q->addend;
-- sym_addr -= (q->address + 2);
-- if (bfd_big_endian(abs_bfd))
-- *(unsigned short *)r_mem =
-- bfd_big_endian(abs_bfd) ? htons(sym_addr) : sym_addr;
-- continue;
-- case R_H8_PCREL8:
-- relocation_needed = 0;
-- sym_vma = 0;
-- sym_addr = (*(q->sym_ptr_ptr))->value;
-- sym_addr += sym_vma + q->addend;
-- sym_addr -= (q->address + 1);
-- *(unsigned char *)r_mem = sym_addr;
-- continue;
--#endif
--
--#ifdef TARGET_microblaze
-- case R_MICROBLAZE_64:
-- /* work out the relocation */
-- sym_vma = elf2flt_bfd_section_vma(sym_section);
-- sym_addr += sym_vma + q->addend;
-- /* Write relocated pointer back */
-- r_mem[2] = (sym_addr >> 24) & 0xff;
-- r_mem[3] = (sym_addr >> 16) & 0xff;
-- r_mem[6] = (sym_addr >> 8) & 0xff;
-- r_mem[7] = sym_addr & 0xff;
-- relocation_needed = 1;
-- /* The symbol is split over two consecutive instructions.
-- Flag this to the flat loader by setting the high bit of
-- the relocation symbol. */
-- pflags = 0x80000000;
-- break;
-- case R_MICROBLAZE_32:
-- sym_vma = elf2flt_bfd_section_vma(sym_section);
-- sym_addr += sym_vma + q->addend;
-- relocation_needed = 1;
-- break;
-- case R_MICROBLAZE_64_PCREL:
-- sym_vma = 0;
-- sym_addr += sym_vma + q->addend;
-- sym_addr -= (q->address + 4);
-- sym_addr = htonl(sym_addr);
-- /* insert 16 MSB */
-- * ((unsigned short *) (r_mem+2)) = (sym_addr) & 0xFFFF;
-- /* then 16 LSB */
-- * ((unsigned short *) (r_mem+6)) = (sym_addr >> 16) & 0xFFFF;
-- /* We've done all the work, so continue
-- to next reloc instead of break */
-- continue;
-- /* These are already relocated for us as text-relative, or are dummy entries */
-- case R_MICROBLAZE_PLT_64:
-- case R_MICROBLAZE_NONE:
-- case R_MICROBLAZE_64_NONE:
-- case R_MICROBLAZE_32_PCREL_LO:
-- relocation_needed = 0;
-- continue;
--
--#endif /* TARGET_microblaze */
--
--#ifdef TARGET_nios2
--#define htoniosl(x) (x)
--#define niostohl(x) (x)
-- case R_NIOS2_BFD_RELOC_32:
-- relocation_needed = 1;
-- pflags = (FLAT_NIOS2_R_32 << 28);
-- sym_vma = elf2flt_bfd_section_vma(sym_section);
-- sym_addr += sym_vma + q->addend;
-- /* modify target, in target order */
-- *(unsigned long *)r_mem = htoniosl(sym_addr);
-- break;
-- case R_NIOS2_CALL26:
-- {
-- unsigned long exist_val;
-- relocation_needed = 1;
-- pflags = (FLAT_NIOS2_R_CALL26 << 28);
-- sym_vma = elf2flt_bfd_section_vma(sym_section);
-- sym_addr += sym_vma + q->addend;
--
-- /* modify target, in target order */
-- // exist_val = niostohl(*(unsigned long *)r_mem);
-- exist_val = ((sym_addr >> 2) << 6);
-- *(unsigned long *)r_mem = htoniosl(exist_val);
-- break;
-- }
-- case R_NIOS2_HIADJ16:
-- case R_NIOS2_HI16:
-- {
-- unsigned long exist_val;
-- int r2_type;
-- /* handle the adjacent HI/LO pairs */
-- if (relcount == 0)
-- r2_type = R_NIOS2_NONE;
-- else
-- r2_type = p[1]->howto->type;
-- if ((r2_type == R_NIOS2_LO16)
-- && (p[0]->sym_ptr_ptr == p[1]->sym_ptr_ptr)
-- && (p[0]->addend == p[1]->addend))
-- {
-- unsigned char * r2_mem = sectionp + p[1]->address;
-- if (p[1]->address - q->address!=4)
-- printf("Err: HI/LO not adjacent %ld\n", p[1]->address - q->address);
-- relocation_needed = 1;
-- pflags = (q->howto->type == R_NIOS2_HIADJ16)
-- ? FLAT_NIOS2_R_HIADJ_LO : FLAT_NIOS2_R_HI_LO;
-- pflags <<= 28;
--
-- sym_vma = elf2flt_bfd_section_vma(abs_bfd, sym_section);
-- sym_addr += sym_vma + q->addend;
--
-- /* modify high 16 bits, in target order */
-- exist_val = niostohl(*(unsigned long *)r_mem);
-- exist_val = ((exist_val >> 22) << 22) | (exist_val & 0x3f);
-- if (q->howto->type == R_NIOS2_HIADJ16)
-- exist_val |= ((((sym_addr >> 16) + ((sym_addr >> 15) & 1)) & 0xFFFF) << 6);
-- else
-- exist_val |= (((sym_addr >> 16) & 0xFFFF) << 6);
-- *(unsigned long *)r_mem = htoniosl(exist_val);
--
-- /* modify low 16 bits, in target order */
-- exist_val = niostohl(*(unsigned long *)r2_mem);
-- exist_val = ((exist_val >> 22) << 22) | (exist_val & 0x3f);
-- exist_val |= ((sym_addr & 0xFFFF) << 6);
-- *(unsigned long *)r2_mem = htoniosl(exist_val);
--
-- } else
-- goto NIOS2_RELOC_ERR;
-- }
-- break;
--
-- case R_NIOS2_GPREL:
-- {
-- unsigned long exist_val, temp;
-- //long gp = get_symbol_offset("_gp", sym_section, symbols, number_of_symbols);
-- long gp = get_gp_value(symbols, number_of_symbols);
-- if (gp == -1) {
-- printf("Err: unresolved symbol _gp when relocating %s\n", sym_name);
-- goto NIOS2_RELOC_ERR;
-- }
-- /* _gp holds a absolute value, otherwise the ld cannot generate correct code */
-- sym_vma = elf2flt_bfd_section_vma(sym_section);
-- //printf("sym=%x, %d, _gp=%x, %d\n", sym_addr+sym_vma, sym_addr+sym_vma, gp, gp);
-- sym_addr += sym_vma + q->addend;
-- sym_addr -= gp;
-- //printf("sym - _gp=%x, %d\n", sym_addr, sym_addr);
-- /* modify the target, in target order (little_endian) */
-- exist_val = niostohl(*(unsigned long *)r_mem);
-- temp = ((exist_val >> 6) & 0x3ff0000) | (sym_addr & 0xffff);
-- temp <<= 6;
-- temp |= (exist_val & 0x3f);
-- *(unsigned long *)r_mem = htoniosl(temp);
-- if (verbose)
-- printf("omit: offset=0x%"BFD_VMA_FMT"x symbol=%s%s "
-- "section=%s size=%d "
-- "fixup=0x%x (reloc=0x%"BFD_VMA_FMT"x) GPREL\n",
-- q->address, sym_name, addstr,
-- section_name, sym_reloc_size,
-- sym_addr, section_vma + q->address);
-- continue;
-- }
-- case R_NIOS2_PCREL16:
-- {
-- unsigned long exist_val;
-- sym_vma = 0;
-- sym_addr += sym_vma + q->addend;
-- sym_addr -= (q->address + 4);
-- /* modify the target, in target order (little_endian) */
-- exist_val = niostohl(*(unsigned long *)r_mem);
-- exist_val = ((exist_val >> 22) << 22) | (exist_val & 0x3f);
-- exist_val |= ((sym_addr & 0xFFFF) << 6);
-- *(unsigned long *)r_mem = htoniosl(exist_val);
-- if (verbose)
-- printf("omit: offset=0x%"BFD_VMA_FMT"x symbol=%s%s "
-- "section=%s size=%d "
-- "fixup=0x%x (reloc=0x%"BFD_VMA_FMT"x) PCREL\n",
-- q->address, sym_name, addstr,
-- section_name, sym_reloc_size,
-- sym_addr, section_vma + q->address);
-- continue;
-- }
--
-- case R_NIOS2_LO16:
-- /* check if this is actually the 2nd half of a pair */
-- if ((p > relpp)
-- && ((p[-1]->howto->type == R_NIOS2_HIADJ16)
-- || (p[-1]->howto->type == R_NIOS2_HI16))
-- && (p[-1]->sym_ptr_ptr == p[0]->sym_ptr_ptr)
-- && (p[-1]->addend == p[0]->addend)) {
-- if (verbose)
-- printf("omit: offset=0x%"BFD_VMA_FMT"x symbol=%s%s "
-- "section=%s size=%d LO16\n",
-- q->address, sym_name, addstr,
-- section_name, sym_reloc_size);
-- continue;
-- }
--
-- /* error, fall through */
--
-- case R_NIOS2_S16:
-- case R_NIOS2_U16:
-- case R_NIOS2_CACHE_OPX:
-- case R_NIOS2_IMM5:
-- case R_NIOS2_IMM6:
-- case R_NIOS2_IMM8:
-- case R_NIOS2_BFD_RELOC_16:
-- case R_NIOS2_BFD_RELOC_8:
-- case R_NIOS2_GNU_VTINHERIT:
-- case R_NIOS2_GNU_VTENTRY:
-- case R_NIOS2_UJMP:
-- case R_NIOS2_CJMP:
-- case R_NIOS2_CALLR:
--NIOS2_RELOC_ERR:
-- printf("Err: unexpected reloc type %s(%d)\n", q->howto->name, q->howto->type);
-- bad_relocs++;
-- continue;
--#endif /* TARGET_nios2 */
--
--#ifdef TARGET_sparc
-- case R_SPARC_32:
-- case R_SPARC_UA32:
-- relocation_needed = 1;
-- sym_vma = elf2flt_bfd_section_vma(sym_section);
-- sym_addr += sym_vma + q->addend;
-- break;
-- case R_SPARC_PC22:
-- sym_vma = 0;
-- sym_addr += sym_vma + q->addend;
-- sym_addr -= q->address;
-- break;
-- case R_SPARC_WDISP30:
-- sym_addr = (((*(q->sym_ptr_ptr))->value-
-- q->address) >> 2) & 0x3fffffff;
-- sym_addr |= (
-- ntohl(*(uint32_t *)r_mem)
-- & 0xc0000000
-- );
-- break;
-- case R_SPARC_HI22:
-- relocation_needed = 1;
-- pflags = 0x80000000;
-- sym_vma = elf2flt_bfd_section_vma(sym_section);
-- sym_addr += sym_vma + q->addend;
-- sym_addr |= (
-- htonl(*(uint32_t *)r_mem)
-- & 0xffc00000
-- );
-- break;
-- case R_SPARC_LO10:
-- relocation_needed = 1;
-- pflags = 0x40000000;
-- sym_vma = elf2flt_bfd_section_vma(sym_section);
-- sym_addr += sym_vma + q->addend;
-- sym_addr &= 0x000003ff;
-- sym_addr |= (
-- htonl(*(uint32_t *)r_mem)
-- & 0xfffffc00
-- );
-- break;
--#endif /* TARGET_sparc */
--
--
--#ifdef TARGET_sh
-- case R_SH_DIR32:
-- relocation_needed = 1;
-- sym_vma = elf2flt_bfd_section_vma(sym_section);
-- sym_addr += sym_vma + q->addend;
-- break;
-- case R_SH_REL32:
-- sym_vma = 0;
-- sym_addr += sym_vma + q->addend;
-- sym_addr -= q->address;
-- break;
--#endif /* TARGET_sh */
--
--#ifdef TARGET_e1
--#define htoe1l(x) htonl(x)
--
--#if 0
--#define DEBUG_E1
--#endif
--
--#ifdef DEBUG_E1
--#define DBG_E1 printf
--#else
--#define DBG_E1(x, ... )
--#endif
--
--#define _32BITS_RELOC 0x00000000
--#define _30BITS_RELOC 0x80000000
--#define _28BITS_RELOC 0x40000000
-- {
-- char *p;
-- unsigned long sec_vma, exist_val, S;
-- case R_E1_CONST31:
-- relocation_needed = 1;
-- DBG_E1("Handling Reloc <CONST31>\n");
-- sec_vma = elf2flt_bfd_section_vma(sym_section);
-- DBG_E1("sec_vma : [0x%x], sym_addr : [0x%x], q->address : [0x%x]\n",
-- sec_vma, sym_addr, q->address);
-- sym_addr = sec_vma + sym_addr;
-- exist_val = *(unsigned long*)((unsigned long)sectionp + q->address + 2);
-- DBG_E1("Orig:exist_val : [0x%08x]\n", exist_val);
-- exist_val = htoe1l(exist_val);
-- DBG_E1("HtoBE:exist_val : [0x%08x]\n", exist_val);
-- sym_addr += exist_val;
-- pflags = _30BITS_RELOC;
-- break;
-- case R_E1_CONST31_PCREL:
-- relocation_needed = 0;
-- DBG_E1("Handling Reloc <CONST31_PCREL>\n");
-- DBG_E1("DONT RELOCATE AT LOADING\n");
-- sec_vma = elf2flt_bfd_section_vma(sym_section);
-- DBG_E1("sec_vma : [0x%x], sym_addr : [0x%x], q->address : [0x%x]\n",
-- sec_vma, sym_addr, q->address);
-- sym_addr = sec_vma + sym_addr;
-- DBG_E1("sym_addr = sec_vma + sym_addr : [0x%x]\n", sym_addr );
--
-- DBG_E1("q->address : 0x%x, section_vma : 0x%x\n", q->address,
-- section_vma );
-- q->address = q->address + section_vma;
-- DBG_E1("q->address += section_vma : 0x%x\n", q->address );
--
-- if( (sym_addr = (sym_addr - q->address - 6)) < 0 )
-- DBG_E1("NEGATIVE OFFSET in PC Relative instruction\n");
-- DBG_E1( "sym_addr := sym_addr - q->address - "
-- "sizeof(CONST31_PCREL): [0x%x]\n",
-- sym_addr );
-- exist_val = *(unsigned long*)((unsigned long)sectionp + q->address + 2);
-- DBG_E1("Orig:exist_val : [0x%08x]\n", exist_val);
-- exist_val = htoe1l(exist_val);
-- DBG_E1("HtoBE:exist_val : [0x%08x]\n", exist_val);
-- sym_addr |= exist_val;
-- DBG_E1("sym_addr |= exist_val) : [0x%x]\n", sym_addr );
-- break;
-- case R_E1_DIS29W_PCREL:
-- relocation_needed = 0;
-- DBG_E1("Handling Reloc <DIS29W_PCREL>\n");
-- DBG_E1("DONT RELOCATE AT LOADING\n");
-- sec_vma = elf2flt_bfd_section_vma(sym_section);
-- DBG_E1("sec_vma : [0x%x], sym_addr : [0x%x], q->address : [0x%x]\n",
-- sec_vma, sym_addr, q->address);
-- sym_addr = sec_vma + sym_addr;
-- DBG_E1("sym_addr = sec_vma + sym_addr : [0x%x]\n", sym_addr );
--
-- DBG_E1("q->address : 0x%x, section_vma : 0x%x\n", q->address,
-- section_vma );
-- q->address = q->address + section_vma;
-- DBG_E1("q->address += section_vma : 0x%x\n", q->address );
--
-- if( (sym_addr = (sym_addr - q->address - 6)) < 0 )
-- DBG_E1("NEGATIVE OFFSET in PC Relative instruction\n");
-- DBG_E1( "sym_addr := sym_addr - q->address - "
-- "sizeof(CONST31_PCREL): [0x%x]\n",
-- sym_addr );
-- DBG_E1("sectionp:[0x%x], q->address:[0x%x]\n", sectionp, q->address );
-- exist_val = *(unsigned long*)((unsigned long)sectionp + q->address + 2);
-- DBG_E1("Original:exist_val : [0x%08x]\n",exist_val);
-- exist_val = htoe1l(exist_val);
-- DBG_E1("HtoBE:exist_val : [0x%08x]\n",exist_val);
-- sym_addr += exist_val;
-- break;
-- case R_E1_DIS29W:
-- DBG_E1("Handling Reloc <DIS29W>\n");
-- goto DIS29_RELOCATION;
-- case R_E1_DIS29H:
-- DBG_E1("Handling Reloc <DIS29H>\n");
-- goto DIS29_RELOCATION;
-- case R_E1_DIS29B:
-- DBG_E1("Handling Reloc <DIS29B>\n");
--DIS29_RELOCATION:
-- relocation_needed = 1;
-- sec_vma = elf2flt_bfd_section_vma(sym_section);
-- DBG_E1("sec_vma : [0x%x], sym_addr : [0x%08x]\n",
-- sec_vma, sym_addr);
-- sym_addr = sec_vma + sym_addr;
-- DBG_E1("sym_addr = sec_vma + sym_addr : [0x%08x]\n", sym_addr);
-- exist_val = *(unsigned long*)((unsigned long)sectionp + q->address + 2);
-- DBG_E1("Orig:exist_val : [0x%08x]\n", exist_val);
-- exist_val = htoe1l(exist_val);
-- DBG_E1("HtoBE:exist_val : [0x%08x]\n", exist_val);
-- sym_addr += exist_val;
-- DBG_E1("sym_addr += exist_val : [0x%08x]\n", sym_addr);
-- pflags = _28BITS_RELOC;
-- break;
-- case R_E1_IMM32_PCREL:
-- relocation_needed = 0;
-- DBG_E1("Handling Reloc <IMM32_PCREL>\n");
-- DBG_E1("DONT RELOCATE AT LOADING\n");
-- sec_vma = elf2flt_bfd_section_vma(sym_section);
-- DBG_E1("sec_vma : [0x%x], sym_addr : [0x%x]\n",
-- sec_vma, sym_addr);
-- sym_addr = sec_vma + sym_addr;
--
-- DBG_E1("sym_addr = sec_vma + sym_addr : [0x%x]\n", sym_addr );
-- DBG_E1("q->address : 0x%x, section_vma : 0x%x\n", q->address,
-- section_vma );
-- q->address = q->address + section_vma;
-- DBG_E1("q->address += section_vma : 0x%x\n", q->address );
--
-- if( (sym_addr = (sym_addr - q->address - 6 )) < 0 )
-- DBG_E1("NEGATIVE OFFSET in PC Relative instruction\n");
-- DBG_E1( "sym_addr := sym_addr - q->address - "
-- "sizeof(CONST31_PCREL): [0x%x]\n",
-- sym_addr );
-- DBG_E1("sectionp:[0x%x], q->address:[0x%x]\n", sectionp, q->address );
-- exist_val = *(unsigned long*)((unsigned long)sectionp + q->address + 2);
-- DBG_E1("Original:exist_val : [0x%08x]\n",exist_val);
-- exist_val = htoe1l(exist_val);
-- DBG_E1("HtoBE:exist_val : [0x%08x]\n",exist_val);
-- sym_addr += exist_val;
-- break;
-- case R_E1_IMM32:
-- relocation_needed = 1;
-- DBG_E1("Handling Reloc <IMM32>\n");
-- sec_vma = elf2flt_bfd_section_vma(sym_section);
-- DBG_E1("sec_vma : [0x%x], sym_addr : [0x%x]\n",
-- sec_vma, sym_addr);
-- sym_addr = sec_vma + sym_addr;
-- DBG_E1("sym_addr = sec_vma + sym_addr : [0x%x]\n", sym_addr );
-- DBG_E1("sectionp:[0x%x], q->address:[0x%x]\n", sectionp, q->address );
-- exist_val = *(unsigned long*)((unsigned long)sectionp + q->address + 2);
-- DBG_E1("Original:exist_val : [0x%08x]\n",exist_val);
-- exist_val = htoe1l(exist_val);
-- DBG_E1("HtoBE:exist_val : [0x%08x]\n",exist_val);
-- sym_addr += exist_val;
-- pflags = _32BITS_RELOC;
-- break;
-- case R_E1_WORD:
-- relocation_needed = 1;
-- DBG_E1("Handling Reloc <WORD>\n");
-- sec_vma = elf2flt_bfd_section_vma(sym_section);
-- DBG_E1("sec_vma : [0x%x], sym_addr : [0x%x]\n",
-- sec_vma, sym_addr);
-- sym_addr = sec_vma + sym_addr;
-- DBG_E1("sym_addr = sec_vma + sym_addr : [0x%x]\n", sym_addr );
-- exist_val = *(unsigned long*)((unsigned long)sectionp + q->address );
-- DBG_E1("Orig:exist_val : [0x%08x]\n", exist_val);
-- exist_val = htoe1l(exist_val);
-- DBG_E1("HtoBE:exist_val : [0x%08x]\n", exist_val);
-- sym_addr += exist_val;
-- DBG_E1("sym_addr += exist_val : [0x%08x]\n", sym_addr);
-- pflags = _32BITS_RELOC;
-- break;
-- }
--#undef _32BITS_RELOC
--#undef _30BITS_RELOC
--#undef _28BITS_RELOC
--#endif
-- default:
-- /* missing support for other types of relocs */
-- printf("ERROR: bad reloc type (%s)%d\n", q->howto->name, (*p)->howto->type);
-- bad_relocs++;
-- continue;
-- }
-- }
--
-- sprintf(&addstr[0], "+0x%lx", sym_addr - (*(q->sym_ptr_ptr))->value -
-- elf2flt_bfd_section_vma(sym_section));
--
--
-- /*
-- * for full elf relocation we have to write back the
-- * start_code relative value to use. Not needed with pic_with_got
-- * or if the fixup has already been done above (in which case update_text was set to 0)
-- */
-- if (update_text) {
--#if defined(TARGET_arm)
-- union {
-- unsigned char c[4];
-- uint32_t l;
-- } tmp;
-- int32_t hl;
-- int i0, i1, i2, i3;
--
-- /*
-- * horrible nasty hack to support different endianess
-- */
-- if (!bfd_big_endian(abs_bfd)) {
-- i0 = 0;
-- i1 = 1;
-- i2 = 2;
-- i3 = 3;
-- } else {
-- i0 = 3;
-- i1 = 2;
-- i2 = 1;
-- i3 = 0;
-- }
--
-- tmp.l = *(uint32_t *)r_mem;
-- hl = tmp.c[i0] | (tmp.c[i1] << 8) | (tmp.c[i2] << 16);
-- if (use_resolved ||
-- (((*p)->howto->type != R_ARM_PC24) &&
-- ((*p)->howto->type != R_ARM_PLT32)))
-- hl |= (tmp.c[i3] << 24);
-- else if (tmp.c[i2] & 0x80)
-- hl |= 0xff000000; /* sign extend */
-- if (!use_resolved)
-- hl += sym_addr;
-- tmp.c[i0] = hl & 0xff;
-- tmp.c[i1] = (hl >> 8) & 0xff;
-- tmp.c[i2] = (hl >> 16) & 0xff;
-- if (use_resolved ||
-- (((*p)->howto->type != R_ARM_PC24) &&
-- ((*p)->howto->type != R_ARM_PLT32)))
-- tmp.c[i3] = (hl >> 24) & 0xff;
-- if (((*p)->howto->type == R_ARM_ABS32) ||
-- ((*p)->howto->type == R_ARM_TARGET1) ||
-- ((*p)->howto->type == R_ARM_TARGET2))
-- *(uint32_t *)r_mem = htonl(hl);
-- else
-- *(uint32_t *)r_mem = tmp.l;
--#elif defined(TARGET_e1)
--#define OPCODE_SIZE 2 /* Add 2 bytes, counting the opcode size*/
-- switch ((*p)->howto->type) {
-- case R_E1_CONST31:
-- case R_E1_CONST31_PCREL:
-- case R_E1_DIS29W_PCREL:
-- case R_E1_DIS29W:
-- case R_E1_DIS29H:
-- case R_E1_DIS29B:
-- case R_E1_IMM32_PCREL:
-- case R_E1_IMM32:
-- DBG_E1("In addr + 2:[0x%x] <- write [0x%x]\n",
-- (sectionp + q->address + 2), sym_addr );
-- *((unsigned long *) (sectionp + q->address + OPCODE_SIZE)) =
-- htonl(sym_addr);
-- break;
-- case R_E1_WORD:
-- DBG_E1("In addr : [0x%x] <- write [0x%x]\n",
-- (sectionp + q->address), sym_addr );
-- *((unsigned long *) (sectionp + q->address )) = htonl(sym_addr);
-- break;
-- default:
-- fatal("ERROR: Unhandled Relocation: 0x%x", (*p)->howto->type);
-- }
--#elif defined TARGET_bfin
-- if ((*p)->howto->type == R_BFIN_RIMM16
-- || (*p)->howto->type == R_BFIN_HUIMM16
-- || (*p)->howto->type == R_BFIN_LUIMM16)
-- {
-- /* for l and h we set the lower 16 bits which is only when it will be used */
-- bfd_putl16 (sym_addr, sectionp + q->address);
-- } else if ((*p)->howto->type == R_BFIN_BYTE4_DATA) {
-- bfd_putl32 (sym_addr, sectionp + q->address);
-- }
--#else /* ! TARGET_arm && ! TARGET_e1 && ! TARGET_bfin */
--
-- switch (q->howto->type) {
--#ifdef TARGET_v850
-- case R_V850_HI16_S:
-- case R_V850_HI16:
-- case R_V850_LO16:
-- /* Do nothing -- for cases we handle,
-- the bits produced by the linker are
-- what we want in the final flat file
-- (and other cases are errors). Note
-- that unlike most relocated values,
-- it is stored in little-endian order,
-- but this is necessary to avoid
-- trashing the low-bit, and the float
-- loaders knows about it. */
-- break;
--#endif /* TARGET_V850 */
--
--#ifdef TARGET_nios2
-- case R_NIOS2_BFD_RELOC_32:
-- case R_NIOS2_CALL26:
-- case R_NIOS2_HIADJ16:
-- case R_NIOS2_HI16:
-- /* do nothing */
-- break;
--#endif /* TARGET_nios2 */
--
--#if defined(TARGET_m68k)
-- case R_68K_PC16:
-- if (sym_addr < -0x8000 || sym_addr > 0x7fff) {
-- fprintf (stderr, "Relocation overflow for R_68K_PC16 relocation against %s\n", sym_name);
-- bad_relocs++;
-- } else {
-- r_mem[0] = (sym_addr >> 8) & 0xff;
-- r_mem[1] = sym_addr & 0xff;
-- }
-- break;
--#endif
--
-- default:
-- /* The alignment of the build host
-- might be stricter than that of the
-- target, so be careful. We store in
-- network byte order. */
-- r_mem[0] = (sym_addr >> 24) & 0xff;
-- r_mem[1] = (sym_addr >> 16) & 0xff;
-- r_mem[2] = (sym_addr >> 8) & 0xff;
-- r_mem[3] = sym_addr & 0xff;
-- }
--#endif /* !TARGET_arm */
-- }
--
-- /*
-- * Create relocation entry (PC relative doesn't need this).
-- */
-- if (relocation_needed) {
-- if (verbose)
-- printf(" RELOC[%d]: offset=0x%"BFD_VMA_FMT"x symbol=%s%s "
-- "section=%s size=%d "
-- "fixup=0x%x (reloc=0x%"BFD_VMA_FMT"x)\n",
-- flat_reloc_count,
-- q->address, sym_name, addstr,
-- section_name, sym_reloc_size,
-- sym_addr, section_vma + q->address);
--
--#ifndef TARGET_bfin
-- flat_relocs = realloc(flat_relocs,
-- (flat_reloc_count + 1) * sizeof(uint32_t));
--#ifndef TARGET_e1
-- flat_relocs[flat_reloc_count] = pflags |
-- (section_vma + q->address);
--
--#else
-- switch ((*p)->howto->type) {
-- case R_E1_CONST31:
-- case R_E1_CONST31_PCREL:
-- case R_E1_DIS29W_PCREL:
-- case R_E1_DIS29W:
-- case R_E1_DIS29H:
-- case R_E1_DIS29B:
-- case R_E1_IMM32_PCREL:
-- case R_E1_IMM32:
-- flat_relocs[flat_reloc_count] = pflags |
-- (section_vma + q->address + OPCODE_SIZE);
-- if (verbose)
-- printf("RELOCATION TABLE : reloc[%d] = [0x%x]\n", flat_reloc_count,
-- flat_relocs[flat_reloc_count] );
-- break;
-- case R_E1_WORD:
-- flat_relocs[flat_reloc_count] = pflags |
-- (section_vma + q->address);
-- if (verbose)
-- printf("RELOCATION TABLE : reloc[%d] = [0x%x]\n", flat_reloc_count,
-- flat_relocs[flat_reloc_count] );
-- break;
-- }
--#endif
-- flat_reloc_count++;
--#endif //TARGET_bfin
-- relocation_needed = 0;
-- pflags = 0;
-- }
--
--#if 0
--printf("%s(%d): symbol name=%s address=0x%x section=%s -> RELOC=0x%x\n",
-- __FILE__, __LINE__, sym_name, q->address, section_name,
-- flat_relocs[flat_reloc_count]);
--#endif
-- }
-- }
-- }
--
-- if (bad_relocs)
-- fatal("%d bad relocs", bad_relocs);
--
-- if (rc < 0)
-- return(0);
--
-- *n_relocs = flat_reloc_count;
-- return flat_relocs;
--}
--
--
--
--static void usage(int status)
--{
-- fprintf(status ? stderr : stdout,
-- "Usage: %s [vrzd] [-p <abs-pic-file>] [-s stack-size] "
-- "[-o <output-file>] <elf-file>\n\n"
-- " -v : verbose operation\n"
-- " -r : force load to RAM\n"
-- " -k : enable kernel trace on load (for debug)\n"
-- " -z : compress code/data/relocs\n"
-- " -d : compress data/relocs\n"
-- " -a : use existing symbol references\n"
-- " instead of recalculating from\n"
-- " relocation info\n"
-- " -R reloc-file : read relocations from a separate file\n"
-- " -p abs-pic-file : GOT/PIC processing with files\n"
-- " -s stacksize : set application stack size\n"
-- " -o output-file : output file name\n\n"
-- "Compiled for " ARCH " architecture\n\n",
-- elf2flt_progname);
-- exit(status);
--}
--
--
--/* Write NUM zeroes to STREAM. */
--static void write_zeroes (unsigned long num, stream *stream)
--{
-- char zeroes[1024];
-- if (num > 0) {
-- /* It'd be nice if we could just use fseek, but that doesn't seem to
-- work for stdio output files. */
-- memset(zeroes, 0x00, 1024);
-- while (num > sizeof(zeroes)) {
-- fwrite_stream(zeroes, sizeof(zeroes), 1, stream);
-- num -= sizeof(zeroes);
-- }
-- if (num > 0)
-- fwrite_stream(zeroes, num, 1, stream);
-- }
--}
--
--
--static time_t get_build_date(void)
--{
-- const char *sde;
-- unsigned long long epoch;
-- char *endptr;
--
-- sde = getenv("SOURCE_DATE_EPOCH");
-- if (!sde)
-- return time(NULL);
--
-- /* Largely inspired from
-- https://reproducible-builds.org/docs/source-date-epoch/ */
-- errno = 0;
-- epoch = strtoull(sde, &endptr, 10);
-- if ((errno == ERANGE && (epoch == ULLONG_MAX || epoch == 0))
-- || (errno != 0 && epoch == 0)
-- || (endptr == sde)
-- || (*endptr != '\0')
-- || (epoch > ULONG_MAX))
-- fatal("Invalid SOURCE_DATE_EPOCH value");
--
-- return (time_t)epoch;
--}
--
--
--int main(int argc, char *argv[])
--{
-- int fd;
-- bfd *rel_bfd, *abs_bfd;
-- asection *s;
-- char *ofile=NULL, *pfile=NULL, *abs_file = NULL, *rel_file = NULL;
-- char *fname = NULL;
-- int opt;
-- int i;
-- int stack;
-- stream gf;
--
-- asymbol **symbol_table;
-- long number_of_symbols;
--
-- uint32_t data_len = 0;
-- uint32_t bss_len = 0;
-- uint32_t text_len = 0;
-- uint32_t reloc_len;
--
-- uint32_t data_vma = ~0;
-- uint32_t bss_vma = ~0;
-- uint32_t text_vma = ~0;
--
-- uint32_t text_offs;
--
-- void *text;
-- void *data;
-- uint32_t *reloc;
--
-- struct flat_hdr hdr;
--
-- elf2flt_progname = argv[0];
-- xmalloc_set_program_name(elf2flt_progname);
--
-- if (argc < 2)
-- usage(1);
--
-- if (sizeof(hdr) != 64)
-- fatal(
-- "Potential flat header incompatibility detected\n"
-- "header size should be 64 but is %d",
-- sizeof(hdr));
--
--#ifndef TARGET_e1
-- stack = 4096;
--#else /* We need plenty of stack for both of them (Aggregate and Register) */
-- stack = 0x2020;
--#endif
--
-- while ((opt = getopt(argc, argv, "havzdrkp:s:o:R:")) != -1) {
-- switch (opt) {
-- case 'v':
-- verbose++;
-- break;
-- case 'r':
-- load_to_ram++;
-- break;
-- case 'k':
-- ktrace++;
-- break;
-- case 'z':
-- docompress = 1;
-- break;
-- case 'd':
-- docompress = 2;
-- break;
-- case 'p':
-- pfile = optarg;
-- break;
-- case 'o':
-- ofile = optarg;
-- break;
-- case 'a':
-- use_resolved = 1;
-- break;
-- case 's':
-- if (sscanf(optarg, "%i", &stack) != 1) {
-- fprintf(stderr, "%s invalid stack size %s\n", argv[0], optarg);
-- usage(1);
-- }
-- break;
-- case 'R':
-- rel_file = optarg;
-- break;
-- case 'h':
-- usage(0);
-- break;
-- default:
-- fprintf(stderr, "%s Unknown option\n", argv[0]);
-- usage(1);
-- break;
-- }
-- }
--
-- /*
-- * if neither the -r or -p options was given, default to
-- * a RAM load as that is the only option that makes sense.
-- */
-- if (!load_to_ram && !pfile)
-- load_to_ram = 1;
--
-- fname = argv[argc-1];
--
-- if (pfile) {
-- pic_with_got = 1;
-- abs_file = pfile;
-- } else
-- abs_file = fname;
--
-- if (! rel_file)
-- rel_file = fname;
--
-- if (!(rel_bfd = bfd_openr(rel_file, 0)))
-- fatal_perror("Can't open '%s'", rel_file);
--
-- if (bfd_check_format (rel_bfd, bfd_object) == 0)
-- fatal("File is not an object file");
--
-- if (abs_file == rel_file)
-- abs_bfd = rel_bfd; /* one file does all */
-- else {
-- if (!(abs_bfd = bfd_openr(abs_file, 0)))
-- fatal_perror("Can't open '%s'", abs_file);
--
-- if (bfd_check_format (abs_bfd, bfd_object) == 0)
-- fatal("File is not an object file");
-- }
--
-- if (! (bfd_get_file_flags(rel_bfd) & HAS_RELOC))
-- fatal("%s: Input file contains no relocation info", rel_file);
--
-- if (use_resolved && !(bfd_get_file_flags(abs_bfd) & EXEC_P))
-- /* `Absolute' file is not absolute, so neither are address
-- contained therein. */
-- fatal("%s: `-a' option specified with non-fully-resolved input file",
-- bfd_get_filename (abs_bfd));
--
-- symbol_table = get_symbols(abs_bfd, &number_of_symbols);
--
-- /* Group output sections into text, data, and bss, and calc their sizes. */
-- for (s = abs_bfd->sections; s != NULL; s = s->next) {
-- uint32_t *vma, *len;
-- bfd_size_type sec_size;
-- bfd_vma sec_vma;
--
-- if ((s->flags & SEC_CODE) ||
-- ro_reloc_data_section_should_be_in_text(s)) {
-- vma = &text_vma;
-- len = &text_len;
-- } else if (s->flags & SEC_DATA) {
-- vma = &data_vma;
-- len = &data_len;
-- } else if (s->flags & SEC_ALLOC) {
-- vma = &bss_vma;
-- len = &bss_len;
-- } else
-- continue;
--
-- sec_size = elf2flt_bfd_section_size(s);
-- sec_vma = elf2flt_bfd_section_vma(s);
--
-- if (sec_vma < *vma) {
-- if (*len > 0)
-- *len += sec_vma - *vma;
-- else
-- *len = sec_size;
-- *vma = sec_vma;
-- } else if (sec_vma + sec_size > *vma + *len)
-- *len = sec_vma + sec_size - *vma;
-- }
--
-- if (text_len == 0)
-- fatal("%s: no .text section", abs_file);
--
-- text = xmalloc(text_len);
--
-- if (verbose)
-- printf("TEXT -> vma=0x%x len=0x%x\n", text_vma, text_len);
--
-- /* Read input sections destined for the text output segment.
-- * Includes code sections, but also includes read-only relocation
-- * data sections.*/
-- for (s = abs_bfd->sections; s != NULL; s = s->next)
-- if ((s->flags & SEC_CODE) ||
-- ro_reloc_data_section_should_be_in_text(s))
-- if (!bfd_get_section_contents(abs_bfd, s,
-- text + (s->vma - text_vma), 0,
-- elf2flt_bfd_section_size(s)))
-- {
-- fatal("read error section %s", s->name);
-- }
--
-- if (data_len == 0)
-- fatal("%s: no .data section", abs_file);
-- data = xmalloc(data_len);
--
-- if (verbose)
-- printf("DATA -> vma=0x%x len=0x%x\n", data_vma, data_len);
--
-- if ((text_vma + text_len) != data_vma) {
-- if ((text_vma + text_len) > data_vma)
-- fatal("ERROR: text=0x%x overlaps data=0x%x ?", text_len, data_vma);
-- if (verbose)
-- printf("WARNING: data=0x%x does not directly follow text=0x%x\n",
-- data_vma, text_len);
-- text_len = data_vma - text_vma;
-- }
--
-- /* Read input sections destined for the data output segment.
-- * Includes data sections, but not those read-only relocation
-- * data sections already included in the text output section.*/
-- for (s = abs_bfd->sections; s != NULL; s = s->next)
-- if ((s->flags & SEC_DATA) &&
-- !ro_reloc_data_section_should_be_in_text(s))
-- if (!bfd_get_section_contents(abs_bfd, s,
-- data + (s->vma - data_vma), 0,
-- elf2flt_bfd_section_size(s)))
-- {
-- fatal("read error section %s", s->name);
-- }
--
-- if (bss_vma == ~0)
-- bss_vma = data_vma + data_len;
--
-- /* Put common symbols in bss. */
-- bss_len += add_com_to_bss(symbol_table, number_of_symbols, bss_len);
--
-- if (verbose)
-- printf("BSS -> vma=0x%x len=0x%x\n", bss_vma, bss_len);
--
-- if ((data_vma + data_len) != bss_vma) {
-- if ((data_vma + data_len) > bss_vma)
-- fatal("ERROR: text=0x%x + data=0x%x overlaps bss=0x%x ?", text_len,
-- data_len, bss_vma);
-- if (verbose)
-- printf("WARNING: bss=0x%x does not directly follow text=0x%x + data=0x%x(0x%x)\n",
-- bss_vma, text_len, data_len, text_len + data_len);
-- data_len = bss_vma - data_vma;
-- }
--
-- reloc = (uint32_t *)
-- output_relocs(abs_bfd, symbol_table, number_of_symbols, &reloc_len,
-- text, text_len, text_vma, data, data_len, data_vma, rel_bfd);
--
-- if (reloc == NULL && verbose)
-- printf("No relocations in code!\n");
--
-- text_offs = real_address_bits(text_vma);
--
-- /* Fill in the binflt_flat header */
-- memcpy(hdr.magic,"bFLT",4);
-- hdr.rev = htonl(FLAT_VERSION);
-- hdr.entry = htonl(sizeof(hdr) + bfd_get_start_address(abs_bfd));
-- hdr.data_start = htonl(sizeof(hdr) + text_offs + text_len);
-- hdr.data_end = htonl(sizeof(hdr) + text_offs + text_len +data_len);
-- hdr.bss_end = htonl(sizeof(hdr) + text_offs + text_len +data_len+bss_len);
-- hdr.stack_size = htonl(stack); /* FIXME */
-- hdr.reloc_start = htonl(sizeof(hdr) + text_offs + text_len +data_len);
-- hdr.reloc_count = htonl(reloc_len);
-- hdr.flags = htonl(0
-- | (load_to_ram || text_has_relocs ? FLAT_FLAG_RAM : 0)
-- | (ktrace ? FLAT_FLAG_KTRACE : 0)
-- | (pic_with_got ? FLAT_FLAG_GOTPIC : 0)
-- | (docompress ? (docompress == 2 ? FLAT_FLAG_GZDATA : FLAT_FLAG_GZIP) : 0)
-- );
-- hdr.build_date = htonl((uint32_t)get_build_date());
-- memset(hdr.filler, 0x00, sizeof(hdr.filler));
--
-- for (i=0; i<reloc_len; i++) reloc[i] = htonl(reloc[i]);
--
-- if (verbose) {
-- printf("SIZE: .text=0x%04x, .data=0x%04x, .bss=0x%04x",
-- text_len, data_len, bss_len);
-- if (reloc)
-- printf(", relocs=0x%04x", reloc_len);
-- printf("\n");
-- }
--
-- if (!ofile) {
-- ofile = xmalloc(strlen(fname) + 5 + 1); /* 5 to add suffix */
-- strcpy(ofile, fname);
-- strcat(ofile, ".bflt");
-- }
--
-- if ((fd = open (ofile, O_WRONLY|O_BINARY|O_CREAT|O_TRUNC, 0744)) < 0)
-- fatal_perror("Can't open output file %s", ofile);
--
-- if (write(fd, &hdr, sizeof(hdr)) != sizeof(hdr))
-- fatal_perror("Couldn't write file %s", ofile);
-- close(fd);
--
-- if (fopen_stream_u(&gf, ofile, "a" BINARY_FILE_OPTS))
-- fatal_perror("Can't open file %s for writing", ofile);
--
-- if (docompress == 1)
-- reopen_stream_compressed(&gf);
--
-- /* Fill in any hole at the beginning of the text segment. */
-- if (verbose)
-- printf("ZERO before text len=0x%x\n", text_offs);
-- write_zeroes(text_offs, &gf);
--
-- /* Write the text segment. */
-- fwrite_stream(text, text_len, 1, &gf);
--
-- if (docompress == 2)
-- reopen_stream_compressed(&gf);
--
-- /* Write the data segment. */
-- fwrite_stream(data, data_len, 1, &gf);
--
-- if (reloc)
-- fwrite_stream(reloc, reloc_len * 4, 1, &gf);
--
-- fclose_stream(&gf);
--
-- exit(0);
--}
--
--
--/*
-- * this __MUST__ be at the VERY end of the file - do NOT move!!
-- *
-- * Local Variables:
-- * c-basic-offset: 4
-- * tab-width: 8
-- * end:
-- * vi: tabstop=8 shiftwidth=4 textwidth=79 noexpandtab
-- */