<commit_before>/* vi: set sw=4 ts=4: */
/* powerpc shared library loader suppport
 *
 * Copyright (C) 2001-2002 <NAME>
 * Copyright (C) 2003-2004 <NAME>
 * Copyright (C) 2004 <NAME>
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. The name of the above contributors may not be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#if defined (__SUPPORT_LD_DEBUG__)
static const char *_dl_reltypes_tab[] =
	{ "R_PPC_NONE", "R_PPC_ADDR32", "R_PPC_ADDR24", "R_PPC_ADDR16",
	"R_PPC_ADDR16_LO", "R_PPC_ADDR16_HI", "R_PPC_ADDR16_HA",
	"R_PPC_ADDR14", "R_PPC_ADDR14_BRTAKEN", "R_PPC_ADDR14_BRNTAKEN",
	"R_PPC_REL24", "R_PPC_REL14", "R_PPC_REL14_BRTAKEN",
	"R_PPC_REL14_BRNTAKEN", "R_PPC_GOT16", "R_PPC_GOT16_LO",
	"R_PPC_GOT16_HI", "R_PPC_GOT16_HA", "R_PPC_PLTREL24",
	"R_PPC_COPY", "R_PPC_GLOB_DAT", "R_PPC_JMP_SLOT", "R_PPC_RELATIVE",
	"R_PPC_LOCAL24PC", "R_PPC_UADDR32", "R_PPC_UADDR16", "R_PPC_REL32",
	"R_PPC_PLT32", "R_PPC_PLTREL32", "R_PPC_PLT16_LO", "R_PPC_PLT16_HI",
	"R_PPC_PLT16_HA", "R_PPC_SDAREL16", "R_PPC_SECTOFF",
	"R_PPC_SECTOFF_LO", "R_PPC_SECTOFF_HI", "R_PPC_SECTOFF_HA",
};

static const char *
_dl_reltypes(int type)
{
  static char buf[22];
  const char *str;

  if (type >= (int)(sizeof (_dl_reltypes_tab)/sizeof(_dl_reltypes_tab[0])) ||
      NULL == (str = _dl_reltypes_tab[type]))
  {
    str =_dl_simple_ltoa( buf, (unsigned long)(type));
  }
  return str;
}

static
void debug_sym(Elf32_Sym *symtab,char *strtab,int symtab_index)
{
  if(_dl_debug_symbols)
  {
    if(symtab_index){
      _dl_dprintf(_dl_debug_file, "\n%s\n\tvalue=%x\tsize=%x\tinfo=%x\tother=%x\tshndx=%x",
		  strtab + symtab[symtab_index].st_name,
		  symtab[symtab_index].st_value,
		  symtab[symtab_index].st_size,
		  symtab[symtab_index].st_info,
		  symtab[symtab_index].st_other,
		  symtab[symtab_index].st_shndx);
    }
  }
}

static
void debug_reloc(Elf32_Sym *symtab,char *strtab, ELF_RELOC *rpnt)
{
  if(_dl_debug_reloc)
  {
    int symtab_index;
    const char *sym;
    symtab_index = ELF32_R_SYM(rpnt->r_info);
    sym = symtab_index ? strtab + symtab[symtab_index].st_name : "sym=0x0";

  if(_dl_debug_symbols)
	  _dl_dprintf(_dl_debug_file, "\n\t");
  else
	  _dl_dprintf(_dl_debug_file, "\n%s\n\t", sym);
#ifdef ELF_USES_RELOCA
    _dl_dprintf(_dl_debug_file, "%s\toffset=%x\taddend=%x",
		_dl_reltypes(ELF32_R_TYPE(rpnt->r_info)),
		rpnt->r_offset,
		rpnt->r_addend);
#else
    _dl_dprintf(_dl_debug_file, "%s\toffset=%x\n",
		_dl_reltypes(ELF32_R_TYPE(rpnt->r_info)),
		rpnt->r_offset);
#endif
  }
}
#endif

extern int _dl_linux_resolve(void);

void _dl_init_got(unsigned long *plt,struct elf_resolve *tpnt)
{
	Elf32_Word *tramp;
	Elf32_Word num_plt_entries;
	Elf32_Word data_words;
	Elf32_Word rel_offset_words;
	Elf32_Word dlrr = (Elf32_Word) _dl_linux_resolve;

	num_plt_entries = tpnt->dynamic_info[DT_PLTRELSZ] / sizeof(ELF_RELOC);
	rel_offset_words = PLT_DATA_START_WORDS(num_plt_entries);
	data_words = (Elf32_Word) (plt + rel_offset_words);
	tpnt->data_words = data_words;

	plt[PLT_LONGBRANCH_ENTRY_WORDS] = OPCODE_ADDIS_HI(11, 11, data_words);
	plt[PLT_LONGBRANCH_ENTRY_WORDS+1] = OPCODE_LWZ(11,data_words,11);

	plt[PLT_LONGBRANCH_ENTRY_WORDS+2] = OPCODE_MTCTR(11);
	plt[PLT_LONGBRANCH_ENTRY_WORDS+3] = OPCODE_BCTR();

	/* [4] */
	/* [5] */
	tramp = (Elf32_Word *) (plt + PLT_TRAMPOLINE_ENTRY_WORDS);

	/* For the long entries, subtract off data_words.  */
	tramp[0] = OPCODE_ADDIS_HI(11,11,-data_words);
	tramp[1] = OPCODE_ADDI(11,11,-data_words);

	/* Multiply index of entry by 3 (in r11).  */
	tramp[2] = OPCODE_SLWI(12,11,1);
	tramp[3] = OPCODE_ADD(11,12,11);
	if (dlrr <= 0x01fffffc || dlrr >= 0xfe000000) {
		/* Load address of link map in r12.  */
		tramp[4] = OPCODE_LI (12, (Elf32_Word) tpnt);
		tramp[5] = OPCODE_ADDIS_HI (12, 12, (Elf32_Word) tpnt);

		/* Call _dl_linux_resolve .  */
		tramp[6] = OPCODE_BA (dlrr);
	} else {
		/* Get address of _dl_linux_resolve in CTR.  */
		tramp[4] = OPCODE_LI(12,dlrr);
		tramp[5] = OPCODE_ADDIS_HI(12,12,dlrr);
		tramp[6] = OPCODE_MTCTR(12);

		/* Load address of link map in r12.  */
		tramp[7] = OPCODE_LI(12,(Elf32_Word) tpnt);
		tramp[8] = OPCODE_ADDIS_HI(12,12,(Elf32_Word) tpnt);

		/* Call _dl_linux_resolve.  */
		tramp[9] = OPCODE_BCTR();
	}
	/* [16] unused */
	/* [17] unused */

	PPC_DCBST(plt);
	PPC_DCBST(plt+4);
	PPC_DCBST(plt+8);
	PPC_DCBST(plt+12);
	PPC_DCBST(plt+16-1);
	PPC_SYNC;
	PPC_ICBI(plt);
	PPC_ICBI(plt+16-1);
	PPC_ISYNC;
}

unsigned long _dl_linux_resolver(struct elf_resolve *tpnt, int reloc_entry)
{
	ELF_RELOC *this_reloc;
	char *strtab;
	Elf32_Sym *symtab;
	ELF_RELOC *rel_addr;
	int symtab_index;
	char *symname;
	Elf32_Addr *reloc_addr;
	Elf32_Addr  finaladdr;
	Elf32_Sword delta;

	rel_addr = (ELF_RELOC *) (tpnt->dynamic_info[DT_JMPREL] + tpnt->loadaddr);

	this_reloc = (void *)rel_addr + reloc_entry;
	symtab_index = ELF32_R_SYM(this_reloc->r_info);

	symtab = (Elf32_Sym *) (tpnt->dynamic_info[DT_SYMTAB] + tpnt->loadaddr);
	strtab = (char *) (tpnt->dynamic_info[DT_STRTAB] + tpnt->loadaddr);
	symname      = strtab + symtab[symtab_index].st_name;

#if defined (__SUPPORT_LD_DEBUG__)
	debug_sym(symtab,strtab,symtab_index);
	debug_reloc(symtab,strtab,this_reloc);

	if (unlikely(ELF32_R_TYPE(this_reloc->r_info) != R_PPC_JMP_SLOT)) {
		_dl_dprintf(2, "%s: Incorrect relocation type in jump relocation\n", _dl_progname);
		_dl_exit(1);
	};
#endif

	/* Address of dump instruction to fix up */
	reloc_addr = (Elf32_Addr *) (tpnt->loadaddr + this_reloc->r_offset);

#if defined (__SUPPORT_LD_DEBUG__)
	if(_dl_debug_reloc && _dl_debug_detail)
		_dl_dprintf(_dl_debug_file, "\n\tResolving symbol %s %x --> ", symname, (Elf32_Addr)reloc_addr);
#endif

	/* Get the address of the GOT entry */
	finaladdr = (Elf32_Addr) _dl_find_hash(symname,
			tpnt->symbol_scope, ELF_RTYPE_CLASS_PLT);
	if (unlikely(!finaladdr)) {
		_dl_dprintf(2, "%s: can't resolve symbol '%s'\n", _dl_progname, symname);
		_dl_exit(1);
	};

#if defined (__SUPPORT_LD_DEBUG__)
	if(_dl_debug_reloc && _dl_debug_detail)
		_dl_dprintf(_dl_debug_file, "%x\n", finaladdr);
#endif
	delta = finaladdr - (Elf32_Word)reloc_addr;
	if (delta<<6>>6 == delta) {
		*reloc_addr = OPCODE_B(delta);
	} else if (finaladdr <= 0x01fffffc) {
		*reloc_addr = OPCODE_BA (finaladdr);
	} else {
		/* Warning: we don't handle double-sized PLT entries */
		Elf32_Word *plt, *data_words, index, offset;

		plt = (Elf32_Word *)(tpnt->dynamic_info[DT_PLTGOT] + tpnt->loadaddr);
		offset = reloc_addr - plt;
		index = (offset - PLT_INITIAL_ENTRY_WORDS)/2;
		data_words = (Elf32_Word *)tpnt->data_words;
		reloc_addr += 1;

		data_words[index] = finaladdr;
		PPC_SYNC;
		*reloc_addr =  OPCODE_B ((PLT_LONGBRANCH_ENTRY_WORDS - (offset+1)) * 4);
	}

	/* instructions were modified */
	PPC_DCBST(reloc_addr);
	PPC_SYNC;
	PPC_ICBI(reloc_addr);
	PPC_ISYNC;

	return finaladdr;
}

static inline int
_dl_do_reloc (struct elf_resolve *tpnt,struct dyn_elf *scope,
	      ELF_RELOC *rpnt, Elf32_Sym *symtab, char *strtab)
{
	int reloc_type;
	int symtab_index;
	char *symname;
	Elf32_Addr *reloc_addr;
	Elf32_Addr finaladdr;

	unsigned long symbol_addr;
#if defined (__SUPPORT_LD_DEBUG__)
	unsigned long old_val;
#endif
	reloc_addr   = (Elf32_Addr *)(intptr_t) (tpnt->loadaddr + (unsigned long) rpnt->r_offset);
	reloc_type   = ELF32_R_TYPE(rpnt->r_info);
	symbol_addr = tpnt->loadaddr; /* For R_PPC_RELATIVE */ 
	symtab_index = ELF32_R_SYM(rpnt->r_info);
	symname      = strtab + symtab[symtab_index].st_name;
	if (symtab_index) {
		symbol_addr = (unsigned long) _dl_find_hash(symname, scope->dyn->symbol_scope,
							    elf_machine_type_class(reloc_type));
		/* We want to allow undefined references to weak symbols - this might
		 * have been intentional.  We should not be linking local symbols
		 * here, so all bases should be covered.
		 */
		if (unlikely(!symbol_addr && ELF32_ST_BIND(symtab[symtab_index].st_info) != STB_WEAK)) {
			_dl_dprintf(2, "%s: can't resolve symbol '%s'\n", _dl_progname, symname);
			_dl_exit(1);
		};
	}
#if defined (__SUPPORT_LD_DEBUG__)
	old_val = *reloc_addr;
#endif
	finaladdr = (Elf32_Addr) (symbol_addr + rpnt->r_addend);

	switch (reloc_type) {
	case R_PPC_RELATIVE:
	case R_PPC_ADDR32:
	case R_PPC_GLOB_DAT:
		*reloc_addr = finaladdr;
		goto out_nocode; /* No code code modified */
	case R_PPC_JMP_SLOT:
	{
		Elf32_Sword delta = finaladdr - (Elf32_Word)reloc_addr;
		if (delta<<6>>6 == delta) {
			*reloc_addr = OPCODE_B(delta);
		} else if (finaladdr <= 0x01fffffc) {
			*reloc_addr = OPCODE_BA (finaladdr);
		} else {
			/* Warning: we don't handle double-sized PLT entries */
			Elf32_Word *plt, *data_words, index, offset;

			plt = (Elf32_Word *)(tpnt->dynamic_info[DT_PLTGOT] + tpnt->loadaddr);
			offset = reloc_addr - plt;
			index = (offset - PLT_INITIAL_ENTRY_WORDS)/2;
			data_words = (Elf32_Word *)tpnt->data_words;

			data_words[index] = finaladdr;
			reloc_addr[0] = OPCODE_LI(11,index*4);
			reloc_addr[1] = OPCODE_B((PLT_LONGBRANCH_ENTRY_WORDS - (offset+1)) * 4);

			/* instructions were modified */
			PPC_DCBST(reloc_addr+1);
			PPC_SYNC;
			PPC_ICBI(reloc_addr+1);
		}
		break;
	}
	case R_PPC_COPY:
		if (symbol_addr) {
#if defined (__SUPPORT_LD_DEBUG__)
			if(_dl_debug_move)
				_dl_dprintf(_dl_debug_file,"\n%s move %x bytes from %x to %x",
					    symname, symtab[symtab_index].st_size,
					    symbol_addr, reloc_addr);
#endif
			_dl_memcpy((char *) reloc_addr, (char *) finaladdr, symtab[symtab_index].st_size);
		}
		goto out_nocode; /* No code code modified */
	case R_PPC_ADDR16_HA:
		finaladdr += 0x8000; /* fall through. */
	case R_PPC_ADDR16_HI:
		finaladdr >>= 16; /* fall through. */
	case R_PPC_ADDR16_LO:
		*(short *)reloc_addr = finaladdr;
		break;<commit_msg>Bugfix: Add r_addend to final address. The r_addend is mostly zero but can be nonzero for JMP relocs as well. All Rela arches need to do this, test and send a patch :)<commit_after>/* vi: set sw=4 ts=4: */
/* powerpc shared library loader suppport
 *
 * Copyright (C) 2001-2002 <NAME>
 * Copyright (C) 2003-2004 <NAME>
 * Copyright (C) 2004 <NAME>
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. The name of the above contributors may not be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#if defined (__SUPPORT_LD_DEBUG__)
static const char *_dl_reltypes_tab[] =
	{ "R_PPC_NONE", "R_PPC_ADDR32", "R_PPC_ADDR24", "R_PPC_ADDR16",
	"R_PPC_ADDR16_LO", "R_PPC_ADDR16_HI", "R_PPC_ADDR16_HA",
	"R_PPC_ADDR14", "R_PPC_ADDR14_BRTAKEN", "R_PPC_ADDR14_BRNTAKEN",
	"R_PPC_REL24", "R_PPC_REL14", "R_PPC_REL14_BRTAKEN",
	"R_PPC_REL14_BRNTAKEN", "R_PPC_GOT16", "R_PPC_GOT16_LO",
	"R_PPC_GOT16_HI", "R_PPC_GOT16_HA", "R_PPC_PLTREL24",
	"R_PPC_COPY", "R_PPC_GLOB_DAT", "R_PPC_JMP_SLOT", "R_PPC_RELATIVE",
	"R_PPC_LOCAL24PC", "R_PPC_UADDR32", "R_PPC_UADDR16", "R_PPC_REL32",
	"R_PPC_PLT32", "R_PPC_PLTREL32", "R_PPC_PLT16_LO", "R_PPC_PLT16_HI",
	"R_PPC_PLT16_HA", "R_PPC_SDAREL16", "R_PPC_SECTOFF",
	"R_PPC_SECTOFF_LO", "R_PPC_SECTOFF_HI", "R_PPC_SECTOFF_HA",
};

static const char *
_dl_reltypes(int type)
{
  static char buf[22];
  const char *str;

  if (type >= (int)(sizeof (_dl_reltypes_tab)/sizeof(_dl_reltypes_tab[0])) ||
      NULL == (str = _dl_reltypes_tab[type]))
  {
    str =_dl_simple_ltoa( buf, (unsigned long)(type));
  }
  return str;
}

static
void debug_sym(Elf32_Sym *symtab,char *strtab,int symtab_index)
{
  if(_dl_debug_symbols)
  {
    if(symtab_index){
      _dl_dprintf(_dl_debug_file, "\n%s\n\tvalue=%x\tsize=%x\tinfo=%x\tother=%x\tshndx=%x",
		  strtab + symtab[symtab_index].st_name,
		  symtab[symtab_index].st_value,
		  symtab[symtab_index].st_size,
		  symtab[symtab_index].st_info,
		  symtab[symtab_index].st_other,
		  symtab[symtab_index].st_shndx);
    }
  }
}

static
void debug_reloc(Elf32_Sym *symtab,char *strtab, ELF_RELOC *rpnt)
{
  if(_dl_debug_reloc)
  {
    int symtab_index;
    const char *sym;
    symtab_index = ELF32_R_SYM(rpnt->r_info);
    sym = symtab_index ? strtab + symtab[symtab_index].st_name : "sym=0x0";

  if(_dl_debug_symbols)
	  _dl_dprintf(_dl_debug_file, "\n\t");
  else
	  _dl_dprintf(_dl_debug_file, "\n%s\n\t", sym);
#ifdef ELF_USES_RELOCA
    _dl_dprintf(_dl_debug_file, "%s\toffset=%x\taddend=%x",
		_dl_reltypes(ELF32_R_TYPE(rpnt->r_info)),
		rpnt->r_offset,
		rpnt->r_addend);
#else
    _dl_dprintf(_dl_debug_file, "%s\toffset=%x\n",
		_dl_reltypes(ELF32_R_TYPE(rpnt->r_info)),
		rpnt->r_offset);
#endif
  }
}
#endif

extern int _dl_linux_resolve(void);

void _dl_init_got(unsigned long *plt,struct elf_resolve *tpnt)
{
	Elf32_Word *tramp;
	Elf32_Word num_plt_entries;
	Elf32_Word data_words;
	Elf32_Word rel_offset_words;
	Elf32_Word dlrr = (Elf32_Word) _dl_linux_resolve;

	num_plt_entries = tpnt->dynamic_info[DT_PLTRELSZ] / sizeof(ELF_RELOC);
	rel_offset_words = PLT_DATA_START_WORDS(num_plt_entries);
	data_words = (Elf32_Word) (plt + rel_offset_words);
	tpnt->data_words = data_words;

	plt[PLT_LONGBRANCH_ENTRY_WORDS] = OPCODE_ADDIS_HI(11, 11, data_words);
	plt[PLT_LONGBRANCH_ENTRY_WORDS+1] = OPCODE_LWZ(11,data_words,11);

	plt[PLT_LONGBRANCH_ENTRY_WORDS+2] = OPCODE_MTCTR(11);
	plt[PLT_LONGBRANCH_ENTRY_WORDS+3] = OPCODE_BCTR();

	/* [4] */
	/* [5] */
	tramp = (Elf32_Word *) (plt + PLT_TRAMPOLINE_ENTRY_WORDS);

	/* For the long entries, subtract off data_words.  */
	tramp[0] = OPCODE_ADDIS_HI(11,11,-data_words);
	tramp[1] = OPCODE_ADDI(11,11,-data_words);

	/* Multiply index of entry by 3 (in r11).  */
	tramp[2] = OPCODE_SLWI(12,11,1);
	tramp[3] = OPCODE_ADD(11,12,11);
	if (dlrr <= 0x01fffffc || dlrr >= 0xfe000000) {
		/* Load address of link map in r12.  */
		tramp[4] = OPCODE_LI (12, (Elf32_Word) tpnt);
		tramp[5] = OPCODE_ADDIS_HI (12, 12, (Elf32_Word) tpnt);

		/* Call _dl_linux_resolve .  */
		tramp[6] = OPCODE_BA (dlrr);
	} else {
		/* Get address of _dl_linux_resolve in CTR.  */
		tramp[4] = OPCODE_LI(12,dlrr);
		tramp[5] = OPCODE_ADDIS_HI(12,12,dlrr);
		tramp[6] = OPCODE_MTCTR(12);

		/* Load address of link map in r12.  */
		tramp[7] = OPCODE_LI(12,(Elf32_Word) tpnt);
		tramp[8] = OPCODE_ADDIS_HI(12,12,(Elf32_Word) tpnt);

		/* Call _dl_linux_resolve.  */
		tramp[9] = OPCODE_BCTR();
	}
	/* [16] unused */
	/* [17] unused */

	PPC_DCBST(plt);
	PPC_DCBST(plt+4);
	PPC_DCBST(plt+8);
	PPC_DCBST(plt+12);
	PPC_DCBST(plt+16-1);
	PPC_SYNC;
	PPC_ICBI(plt);
	PPC_ICBI(plt+16-1);
	PPC_ISYNC;
}

unsigned long _dl_linux_resolver(struct elf_resolve *tpnt, int reloc_entry)
{
	ELF_RELOC *this_reloc;
	char *strtab;
	Elf32_Sym *symtab;
	ELF_RELOC *rel_addr;
	int symtab_index;
	char *symname;
	Elf32_Addr *reloc_addr;
	Elf32_Addr  finaladdr;
	Elf32_Sword delta;

	rel_addr = (ELF_RELOC *) (tpnt->dynamic_info[DT_JMPREL] + tpnt->loadaddr);

	this_reloc = (void *)rel_addr + reloc_entry;
	symtab_index = ELF32_R_SYM(this_reloc->r_info);

	symtab = (Elf32_Sym *) (tpnt->dynamic_info[DT_SYMTAB] + tpnt->loadaddr);
	strtab = (char *) (tpnt->dynamic_info[DT_STRTAB] + tpnt->loadaddr);
	symname      = strtab + symtab[symtab_index].st_name;

#if defined (__SUPPORT_LD_DEBUG__)
	debug_sym(symtab,strtab,symtab_index);
	debug_reloc(symtab,strtab,this_reloc);

	if (unlikely(ELF32_R_TYPE(this_reloc->r_info) != R_PPC_JMP_SLOT)) {
		_dl_dprintf(2, "%s: Incorrect relocation type in jump relocation\n", _dl_progname);
		_dl_exit(1);
	};
#endif

	/* Address of dump instruction to fix up */
	reloc_addr = (Elf32_Addr *) (tpnt->loadaddr + this_reloc->r_offset);

#if defined (__SUPPORT_LD_DEBUG__)
	if(_dl_debug_reloc && _dl_debug_detail)
		_dl_dprintf(_dl_debug_file, "\n\tResolving symbol %s %x --> ", symname, (Elf32_Addr)reloc_addr);
#endif

	/* Get the address of the GOT entry */
	finaladdr = (Elf32_Addr) _dl_find_hash(symname,
			tpnt->symbol_scope, ELF_RTYPE_CLASS_PLT);
	if (unlikely(!finaladdr)) {
		_dl_dprintf(2, "%s: can't resolve symbol '%s'\n", _dl_progname, symname);
		_dl_exit(1);
	};
	finaladdr += this_reloc->r_addend;
#if defined (__SUPPORT_LD_DEBUG__)
	if(_dl_debug_reloc && _dl_debug_detail)
		_dl_dprintf(_dl_debug_file, "%x\n", finaladdr);
#endif
	delta = finaladdr - (Elf32_Word)reloc_addr;
	if (delta<<6>>6 == delta) {
		*reloc_addr = OPCODE_B(delta);
	} else if (finaladdr <= 0x01fffffc) {
		*reloc_addr = OPCODE_BA (finaladdr);
	} else {
		/* Warning: we don't handle double-sized PLT entries */
		Elf32_Word *plt, *data_words, index, offset;

		plt = (Elf32_Word *)(tpnt->dynamic_info[DT_PLTGOT] + tpnt->loadaddr);
		offset = reloc_addr - plt;
		index = (offset - PLT_INITIAL_ENTRY_WORDS)/2;
		data_words = (Elf32_Word *)tpnt->data_words;
		reloc_addr += 1;

		data_words[index] = finaladdr;
		PPC_SYNC;
		*reloc_addr =  OPCODE_B ((PLT_LONGBRANCH_ENTRY_WORDS - (offset+1)) * 4);
	}

	/* instructions were modified */
	PPC_DCBST(reloc_addr);
	PPC_SYNC;
	PPC_ICBI(reloc_addr);
	PPC_ISYNC;

	return finaladdr;
}

static inline int
_dl_do_reloc (struct elf_resolve *tpnt,struct dyn_elf *scope,
	      ELF_RELOC *rpnt, Elf32_Sym *symtab, char *strtab)
{
	int reloc_type;
	int symtab_index;
	char *symname;
	Elf32_Addr *reloc_addr;
	Elf32_Addr finaladdr;

	unsigned long symbol_addr;
#if defined (__SUPPORT_LD_DEBUG__)
	unsigned long old_val;
#endif
	reloc_addr   = (Elf32_Addr *)(intptr_t) (tpnt->loadaddr + (unsigned long) rpnt->r_offset);
	reloc_type   = ELF32_R_TYPE(rpnt->r_info);
	symbol_addr = tpnt->loadaddr; /* For R_PPC_RELATIVE */ 
	symtab_index = ELF32_R_SYM(rpnt->r_info);
	symname      = strtab + symtab[symtab_index].st_name;
	if (symtab_index) {
		symbol_addr = (unsigned long) _dl_find_hash(symname, scope->dyn->symbol_scope,
							    elf_machine_type_class(reloc_type));
		/* We want to allow undefined references to weak symbols - this might
		 * have been intentional.  We should not be linking local symbols
		 * here, so all bases should be covered.
		 */
		if (unlikely(!symbol_addr && ELF32_ST_BIND(symtab[symtab_index].st_info) != STB_WEAK)) {
			_dl_dprintf(2, "%s: can't resolve symbol '%s'\n", _dl_progname, symname);
			_dl_exit(1);
		};
	}
#if defined (__SUPPORT_LD_DEBUG__)
	old_val = *reloc_addr;
#endif
	finaladdr = (Elf32_Addr) (symbol_addr + rpnt->r_addend);

	switch (reloc_type) {
	case R_PPC_RELATIVE:
	case R_PPC_ADDR32:
	case R_PPC_GLOB_DAT:
		*reloc_addr = finaladdr;
		goto out_nocode; /* No code code modified */
	case R_PPC_JMP_SLOT:
	{
		Elf32_Sword delta = finaladdr - (Elf32_Word)reloc_addr;
		if (delta<<6>>6 == delta) {
			*reloc_addr = OPCODE_B(delta);
		} else if (finaladdr <= 0x01fffffc) {
			*reloc_addr = OPCODE_BA (finaladdr);
		} else {
			/* Warning: we don't handle double-sized PLT entries */
			Elf32_Word *plt, *data_words, index, offset;

			plt = (Elf32_Word *)(tpnt->dynamic_info[DT_PLTGOT] + tpnt->loadaddr);
			offset = reloc_addr - plt;
			index = (offset - PLT_INITIAL_ENTRY_WORDS)/2;
			data_words = (Elf32_Word *)tpnt->data_words;

			data_words[index] = finaladdr;
			reloc_addr[0] = OPCODE_LI(11,index*4);
			reloc_addr[1] = OPCODE_B((PLT_LONGBRANCH_ENTRY_WORDS - (offset+1)) * 4);

			/* instructions were modified */
			PPC_DCBST(reloc_addr+1);
			PPC_SYNC;
			PPC_ICBI(reloc_addr+1);
		}
		break;
	}
	case R_PPC_COPY:
#if defined (__SUPPORT_LD_DEBUG__)
		if(_dl_debug_move)
			_dl_dprintf(_dl_debug_file,"\n%s move %x bytes from %x to %x",
				    symname, symtab[symtab_index].st_size,
				    symbol_addr, reloc_addr);
#endif
		_dl_memcpy((char *) reloc_addr, (char *) finaladdr, symtab[symtab_index].st_size);
		goto out_nocode; /* No code code modified */
	case R_PPC_ADDR16_HA:
		finaladdr += 0x8000; /* fall through. */
	case R_PPC_ADDR16_HI:
		finaladdr >>= 16; /* fall through. */
	case R_PPC_ADDR16_LO:
		*(short *)reloc_addr = finaladdr;
		break;
{'fraction_non_alphanumeric': 0.12949739715299213, 'fraction_numerical': 0.0291150320173216, 'mean_word_length': 4.876556578234975, 'pattern_counts': {'":': 0, '<': 23, '<?xml version=': 0, '>': 94, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '6174956', 'n_tokens_mistral': 9872, 'n_tokens_neox': 9205, 'n_words': 1805}