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# ifndef __PPC64_ELF_H
# define __PPC64_ELF_H
# include <asm/types.h>
# include <asm/ptrace.h>
# include <asm/cputable.h>
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# include <asm/auxvec.h>
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/* PowerPC relocations defined by the ABIs */
# define R_PPC_NONE 0
# define R_PPC_ADDR32 1 /* 32bit absolute address */
# define R_PPC_ADDR24 2 /* 26bit address, 2 bits ignored. */
# define R_PPC_ADDR16 3 /* 16bit absolute address */
# define R_PPC_ADDR16_LO 4 /* lower 16bit of absolute address */
# define R_PPC_ADDR16_HI 5 /* high 16bit of absolute address */
# define R_PPC_ADDR16_HA 6 /* adjusted high 16bit */
# define R_PPC_ADDR14 7 /* 16bit address, 2 bits ignored */
# define R_PPC_ADDR14_BRTAKEN 8
# define R_PPC_ADDR14_BRNTAKEN 9
# define R_PPC_REL24 10 /* PC relative 26 bit */
# define R_PPC_REL14 11 /* PC relative 16 bit */
# define R_PPC_REL14_BRTAKEN 12
# define R_PPC_REL14_BRNTAKEN 13
# define R_PPC_GOT16 14
# define R_PPC_GOT16_LO 15
# define R_PPC_GOT16_HI 16
# define R_PPC_GOT16_HA 17
# define R_PPC_PLTREL24 18
# define R_PPC_COPY 19
# define R_PPC_GLOB_DAT 20
# define R_PPC_JMP_SLOT 21
# define R_PPC_RELATIVE 22
# define R_PPC_LOCAL24PC 23
# define R_PPC_UADDR32 24
# define R_PPC_UADDR16 25
# define R_PPC_REL32 26
# define R_PPC_PLT32 27
# define R_PPC_PLTREL32 28
# define R_PPC_PLT16_LO 29
# define R_PPC_PLT16_HI 30
# define R_PPC_PLT16_HA 31
# define R_PPC_SDAREL16 32
# define R_PPC_SECTOFF 33
# define R_PPC_SECTOFF_LO 34
# define R_PPC_SECTOFF_HI 35
# define R_PPC_SECTOFF_HA 36
/* PowerPC relocations defined for the TLS access ABI. */
# define R_PPC_TLS 67 /* none (sym+add)@tls */
# define R_PPC_DTPMOD32 68 /* word32 (sym+add)@dtpmod */
# define R_PPC_TPREL16 69 /* half16* (sym+add)@tprel */
# define R_PPC_TPREL16_LO 70 /* half16 (sym+add)@tprel@l */
# define R_PPC_TPREL16_HI 71 /* half16 (sym+add)@tprel@h */
# define R_PPC_TPREL16_HA 72 /* half16 (sym+add)@tprel@ha */
# define R_PPC_TPREL32 73 /* word32 (sym+add)@tprel */
# define R_PPC_DTPREL16 74 /* half16* (sym+add)@dtprel */
# define R_PPC_DTPREL16_LO 75 /* half16 (sym+add)@dtprel@l */
# define R_PPC_DTPREL16_HI 76 /* half16 (sym+add)@dtprel@h */
# define R_PPC_DTPREL16_HA 77 /* half16 (sym+add)@dtprel@ha */
# define R_PPC_DTPREL32 78 /* word32 (sym+add)@dtprel */
# define R_PPC_GOT_TLSGD16 79 /* half16* (sym+add)@got@tlsgd */
# define R_PPC_GOT_TLSGD16_LO 80 /* half16 (sym+add)@got@tlsgd@l */
# define R_PPC_GOT_TLSGD16_HI 81 /* half16 (sym+add)@got@tlsgd@h */
# define R_PPC_GOT_TLSGD16_HA 82 /* half16 (sym+add)@got@tlsgd@ha */
# define R_PPC_GOT_TLSLD16 83 /* half16* (sym+add)@got@tlsld */
# define R_PPC_GOT_TLSLD16_LO 84 /* half16 (sym+add)@got@tlsld@l */
# define R_PPC_GOT_TLSLD16_HI 85 /* half16 (sym+add)@got@tlsld@h */
# define R_PPC_GOT_TLSLD16_HA 86 /* half16 (sym+add)@got@tlsld@ha */
# define R_PPC_GOT_TPREL16 87 /* half16* (sym+add)@got@tprel */
# define R_PPC_GOT_TPREL16_LO 88 /* half16 (sym+add)@got@tprel@l */
# define R_PPC_GOT_TPREL16_HI 89 /* half16 (sym+add)@got@tprel@h */
# define R_PPC_GOT_TPREL16_HA 90 /* half16 (sym+add)@got@tprel@ha */
# define R_PPC_GOT_DTPREL16 91 /* half16* (sym+add)@got@dtprel */
# define R_PPC_GOT_DTPREL16_LO 92 /* half16* (sym+add)@got@dtprel@l */
# define R_PPC_GOT_DTPREL16_HI 93 /* half16* (sym+add)@got@dtprel@h */
# define R_PPC_GOT_DTPREL16_HA 94 /* half16* (sym+add)@got@dtprel@ha */
/* Keep this the last entry. */
# define R_PPC_NUM 95
/*
* ELF register definitions . .
*
* This program is free software ; you can redistribute it and / or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation ; either version
* 2 of the License , or ( at your option ) any later version .
*/
# include <asm/ptrace.h>
# define ELF_NGREG 48 /* includes nip, msr, lr, etc. */
# define ELF_NFPREG 33 /* includes fpscr */
# define ELF_NVRREG32 33 /* includes vscr & vrsave stuffed together */
# define ELF_NVRREG 34 /* includes vscr & vrsave in split vectors */
typedef unsigned long elf_greg_t64 ;
typedef elf_greg_t64 elf_gregset_t64 [ ELF_NGREG ] ;
typedef unsigned int elf_greg_t32 ;
typedef elf_greg_t32 elf_gregset_t32 [ ELF_NGREG ] ;
/*
* These are used to set parameters in the core dumps .
*/
# ifndef ELF_ARCH
# define ELF_ARCH EM_PPC64
# define ELF_CLASS ELFCLASS64
# define ELF_DATA ELFDATA2MSB
typedef elf_greg_t64 elf_greg_t ;
typedef elf_gregset_t64 elf_gregset_t ;
# define elf_addr_t unsigned long
# else
/* Assumption: ELF_ARCH == EM_PPC and ELF_CLASS == ELFCLASS32 */
typedef elf_greg_t32 elf_greg_t ;
typedef elf_gregset_t32 elf_gregset_t ;
# define elf_addr_t u32
# endif
typedef double elf_fpreg_t ;
typedef elf_fpreg_t elf_fpregset_t [ ELF_NFPREG ] ;
/* Altivec registers */
/*
* The entries with indexes 0 - 31 contain the corresponding vector registers .
* The entry with index 32 contains the vscr as the last word ( offset 12 )
* within the quadword . This allows the vscr to be stored as either a
* quadword ( since it must be copied via a vector register to / from storage )
* or as a word . The entry with index 33 contains the vrsave as the first
* word ( offset 0 ) within the quadword .
*
* This definition of the VMX state is compatible with the current PPC32
* ptrace interface . This allows signal handling and ptrace to use the same
* structures . This also simplifies the implementation of a bi - arch
* ( combined ( 32 - and 64 - bit ) gdb .
*
* Note that it ' s _not_ compatible with 32 bits ucontext which stuffs the
* vrsave along with vscr and so only uses 33 vectors for the register set
*/
typedef __vector128 elf_vrreg_t ;
typedef elf_vrreg_t elf_vrregset_t [ ELF_NVRREG ] ;
typedef elf_vrreg_t elf_vrregset_t32 [ ELF_NVRREG32 ] ;
/*
* This is used to ensure we don ' t load something for the wrong architecture .
*/
# define elf_check_arch(x) ((x)->e_machine == ELF_ARCH)
# define USE_ELF_CORE_DUMP
# define ELF_EXEC_PAGESIZE 4096
/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
use of this is to invoke " ./ld.so someprog " to test out a new version of
the loader . We need to make sure that it is out of the way of the program
that it will " exec " , and that there is sufficient room for the brk . */
# define ELF_ET_DYN_BASE (0x08000000)
# ifdef __KERNEL__
/* Common routine for both 32-bit and 64-bit processes */
static inline void ppc64_elf_core_copy_regs ( elf_gregset_t elf_regs ,
struct pt_regs * regs )
{
int i ;
int gprs = sizeof ( struct pt_regs ) / sizeof ( elf_greg_t64 ) ;
if ( gprs > ELF_NGREG )
gprs = ELF_NGREG ;
for ( i = 0 ; i < gprs ; i + + )
elf_regs [ i ] = ( elf_greg_t ) ( ( elf_greg_t64 * ) regs ) [ i ] ;
}
# define ELF_CORE_COPY_REGS(gregs, regs) ppc64_elf_core_copy_regs(gregs, regs);
static inline int dump_task_regs ( struct task_struct * tsk ,
elf_gregset_t * elf_regs )
{
struct pt_regs * regs = tsk - > thread . regs ;
if ( regs )
ppc64_elf_core_copy_regs ( * elf_regs , regs ) ;
return 1 ;
}
# define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
extern int dump_task_fpu ( struct task_struct * , elf_fpregset_t * ) ;
# define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
/* XXX Should we define the XFPREGS using altivec ??? */
# endif
/* This yields a mask that user programs can use to figure out what
instruction set this cpu supports . This could be done in userspace ,
but it ' s not easy , and we ' ve already done it here . */
# define ELF_HWCAP (cur_cpu_spec->cpu_user_features)
/* This yields a string that ld.so will use to load implementation
specific libraries for optimization . This is more specific in
intent than poking at uname or / proc / cpuinfo .
For the moment , we have only optimizations for the Intel generations ,
but that could change . . . */
# define ELF_PLATFORM (NULL)
# define ELF_PLAT_INIT(_r, load_addr) do { \
memset ( _r - > gpr , 0 , sizeof ( _r - > gpr ) ) ; \
_r - > ctr = _r - > link = _r - > xer = _r - > ccr = 0 ; \
_r - > gpr [ 2 ] = load_addr ; \
} while ( 0 )
# ifdef __KERNEL__
# define SET_PERSONALITY(ex, ibcs2) \
do { \
unsigned long new_flags = 0 ; \
if ( ( ex ) . e_ident [ EI_CLASS ] = = ELFCLASS32 ) \
new_flags = _TIF_32BIT ; \
if ( ( current_thread_info ( ) - > flags & _TIF_32BIT ) \
! = new_flags ) \
set_thread_flag ( TIF_ABI_PENDING ) ; \
else \
clear_thread_flag ( TIF_ABI_PENDING ) ; \
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if ( personality ( current - > personality ) ! = PER_LINUX32 ) \
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set_personality ( PER_LINUX ) ; \
} while ( 0 )
/*
* An executable for which elf_read_implies_exec ( ) returns TRUE will
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* have the READ_IMPLIES_EXEC personality flag set automatically . This
* is only required to work around bugs in old 32 bit toolchains . Since
* the 64 bit ABI has never had these issues dont enable the workaround
* even if we have an executable stack .
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*/
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# define elf_read_implies_exec(ex, exec_stk) (test_thread_flag(TIF_32BIT) ? \
( exec_stk ! = EXSTACK_DISABLE_X ) : 0 )
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# endif
extern int dcache_bsize ;
extern int icache_bsize ;
extern int ucache_bsize ;
/* We do have an arch_setup_additional_pages for vDSO matters */
# define ARCH_HAS_SETUP_ADDITIONAL_PAGES
struct linux_binprm ;
extern int arch_setup_additional_pages ( struct linux_binprm * bprm , int executable_stack ) ;
/*
* The requirements here are :
* - keep the final alignment of sp ( sp & 0xf )
* - make sure the 32 - bit value at the first 16 byte aligned position of
* AUXV is greater than 16 for glibc compatibility .
* AT_IGNOREPPC is used for that .
* - for compatibility with glibc ARCH_DLINFO must always be defined on PPC ,
* even if DLINFO_ARCH_ITEMS goes to zero or is undefined .
*/
# define ARCH_DLINFO \
do { \
/* Handle glibc compatibility. */ \
NEW_AUX_ENT ( AT_IGNOREPPC , AT_IGNOREPPC ) ; \
NEW_AUX_ENT ( AT_IGNOREPPC , AT_IGNOREPPC ) ; \
/* Cache size items */ \
NEW_AUX_ENT ( AT_DCACHEBSIZE , dcache_bsize ) ; \
NEW_AUX_ENT ( AT_ICACHEBSIZE , icache_bsize ) ; \
NEW_AUX_ENT ( AT_UCACHEBSIZE , ucache_bsize ) ; \
/* vDSO base */ \
NEW_AUX_ENT ( AT_SYSINFO_EHDR , current - > thread . vdso_base ) ; \
} while ( 0 )
/* PowerPC64 relocations defined by the ABIs */
# define R_PPC64_NONE R_PPC_NONE
# define R_PPC64_ADDR32 R_PPC_ADDR32 /* 32bit absolute address. */
# define R_PPC64_ADDR24 R_PPC_ADDR24 /* 26bit address, word aligned. */
# define R_PPC64_ADDR16 R_PPC_ADDR16 /* 16bit absolute address. */
# define R_PPC64_ADDR16_LO R_PPC_ADDR16_LO /* lower 16bits of abs. address. */
# define R_PPC64_ADDR16_HI R_PPC_ADDR16_HI /* high 16bits of abs. address. */
# define R_PPC64_ADDR16_HA R_PPC_ADDR16_HA /* adjusted high 16bits. */
# define R_PPC64_ADDR14 R_PPC_ADDR14 /* 16bit address, word aligned. */
# define R_PPC64_ADDR14_BRTAKEN R_PPC_ADDR14_BRTAKEN
# define R_PPC64_ADDR14_BRNTAKEN R_PPC_ADDR14_BRNTAKEN
# define R_PPC64_REL24 R_PPC_REL24 /* PC relative 26 bit, word aligned. */
# define R_PPC64_REL14 R_PPC_REL14 /* PC relative 16 bit. */
# define R_PPC64_REL14_BRTAKEN R_PPC_REL14_BRTAKEN
# define R_PPC64_REL14_BRNTAKEN R_PPC_REL14_BRNTAKEN
# define R_PPC64_GOT16 R_PPC_GOT16
# define R_PPC64_GOT16_LO R_PPC_GOT16_LO
# define R_PPC64_GOT16_HI R_PPC_GOT16_HI
# define R_PPC64_GOT16_HA R_PPC_GOT16_HA
# define R_PPC64_COPY R_PPC_COPY
# define R_PPC64_GLOB_DAT R_PPC_GLOB_DAT
# define R_PPC64_JMP_SLOT R_PPC_JMP_SLOT
# define R_PPC64_RELATIVE R_PPC_RELATIVE
# define R_PPC64_UADDR32 R_PPC_UADDR32
# define R_PPC64_UADDR16 R_PPC_UADDR16
# define R_PPC64_REL32 R_PPC_REL32
# define R_PPC64_PLT32 R_PPC_PLT32
# define R_PPC64_PLTREL32 R_PPC_PLTREL32
# define R_PPC64_PLT16_LO R_PPC_PLT16_LO
# define R_PPC64_PLT16_HI R_PPC_PLT16_HI
# define R_PPC64_PLT16_HA R_PPC_PLT16_HA
# define R_PPC64_SECTOFF R_PPC_SECTOFF
# define R_PPC64_SECTOFF_LO R_PPC_SECTOFF_LO
# define R_PPC64_SECTOFF_HI R_PPC_SECTOFF_HI
# define R_PPC64_SECTOFF_HA R_PPC_SECTOFF_HA
# define R_PPC64_ADDR30 37 /* word30 (S + A - P) >> 2. */
# define R_PPC64_ADDR64 38 /* doubleword64 S + A. */
# define R_PPC64_ADDR16_HIGHER 39 /* half16 #higher(S + A). */
# define R_PPC64_ADDR16_HIGHERA 40 /* half16 #highera(S + A). */
# define R_PPC64_ADDR16_HIGHEST 41 /* half16 #highest(S + A). */
# define R_PPC64_ADDR16_HIGHESTA 42 /* half16 #highesta(S + A). */
# define R_PPC64_UADDR64 43 /* doubleword64 S + A. */
# define R_PPC64_REL64 44 /* doubleword64 S + A - P. */
# define R_PPC64_PLT64 45 /* doubleword64 L + A. */
# define R_PPC64_PLTREL64 46 /* doubleword64 L + A - P. */
# define R_PPC64_TOC16 47 /* half16* S + A - .TOC. */
# define R_PPC64_TOC16_LO 48 /* half16 #lo(S + A - .TOC.). */
# define R_PPC64_TOC16_HI 49 /* half16 #hi(S + A - .TOC.). */
# define R_PPC64_TOC16_HA 50 /* half16 #ha(S + A - .TOC.). */
# define R_PPC64_TOC 51 /* doubleword64 .TOC. */
# define R_PPC64_PLTGOT16 52 /* half16* M + A. */
# define R_PPC64_PLTGOT16_LO 53 /* half16 #lo(M + A). */
# define R_PPC64_PLTGOT16_HI 54 /* half16 #hi(M + A). */
# define R_PPC64_PLTGOT16_HA 55 /* half16 #ha(M + A). */
# define R_PPC64_ADDR16_DS 56 /* half16ds* (S + A) >> 2. */
# define R_PPC64_ADDR16_LO_DS 57 /* half16ds #lo(S + A) >> 2. */
# define R_PPC64_GOT16_DS 58 /* half16ds* (G + A) >> 2. */
# define R_PPC64_GOT16_LO_DS 59 /* half16ds #lo(G + A) >> 2. */
# define R_PPC64_PLT16_LO_DS 60 /* half16ds #lo(L + A) >> 2. */
# define R_PPC64_SECTOFF_DS 61 /* half16ds* (R + A) >> 2. */
# define R_PPC64_SECTOFF_LO_DS 62 /* half16ds #lo(R + A) >> 2. */
# define R_PPC64_TOC16_DS 63 /* half16ds* (S + A - .TOC.) >> 2. */
# define R_PPC64_TOC16_LO_DS 64 /* half16ds #lo(S + A - .TOC.) >> 2. */
# define R_PPC64_PLTGOT16_DS 65 /* half16ds* (M + A) >> 2. */
# define R_PPC64_PLTGOT16_LO_DS 66 /* half16ds #lo(M + A) >> 2. */
/* PowerPC64 relocations defined for the TLS access ABI. */
# define R_PPC64_TLS 67 /* none (sym+add)@tls */
# define R_PPC64_DTPMOD64 68 /* doubleword64 (sym+add)@dtpmod */
# define R_PPC64_TPREL16 69 /* half16* (sym+add)@tprel */
# define R_PPC64_TPREL16_LO 70 /* half16 (sym+add)@tprel@l */
# define R_PPC64_TPREL16_HI 71 /* half16 (sym+add)@tprel@h */
# define R_PPC64_TPREL16_HA 72 /* half16 (sym+add)@tprel@ha */
# define R_PPC64_TPREL64 73 /* doubleword64 (sym+add)@tprel */
# define R_PPC64_DTPREL16 74 /* half16* (sym+add)@dtprel */
# define R_PPC64_DTPREL16_LO 75 /* half16 (sym+add)@dtprel@l */
# define R_PPC64_DTPREL16_HI 76 /* half16 (sym+add)@dtprel@h */
# define R_PPC64_DTPREL16_HA 77 /* half16 (sym+add)@dtprel@ha */
# define R_PPC64_DTPREL64 78 /* doubleword64 (sym+add)@dtprel */
# define R_PPC64_GOT_TLSGD16 79 /* half16* (sym+add)@got@tlsgd */
# define R_PPC64_GOT_TLSGD16_LO 80 /* half16 (sym+add)@got@tlsgd@l */
# define R_PPC64_GOT_TLSGD16_HI 81 /* half16 (sym+add)@got@tlsgd@h */
# define R_PPC64_GOT_TLSGD16_HA 82 /* half16 (sym+add)@got@tlsgd@ha */
# define R_PPC64_GOT_TLSLD16 83 /* half16* (sym+add)@got@tlsld */
# define R_PPC64_GOT_TLSLD16_LO 84 /* half16 (sym+add)@got@tlsld@l */
# define R_PPC64_GOT_TLSLD16_HI 85 /* half16 (sym+add)@got@tlsld@h */
# define R_PPC64_GOT_TLSLD16_HA 86 /* half16 (sym+add)@got@tlsld@ha */
# define R_PPC64_GOT_TPREL16_DS 87 /* half16ds* (sym+add)@got@tprel */
# define R_PPC64_GOT_TPREL16_LO_DS 88 /* half16ds (sym+add)@got@tprel@l */
# define R_PPC64_GOT_TPREL16_HI 89 /* half16 (sym+add)@got@tprel@h */
# define R_PPC64_GOT_TPREL16_HA 90 /* half16 (sym+add)@got@tprel@ha */
# define R_PPC64_GOT_DTPREL16_DS 91 /* half16ds* (sym+add)@got@dtprel */
# define R_PPC64_GOT_DTPREL16_LO_DS 92 /* half16ds (sym+add)@got@dtprel@l */
# define R_PPC64_GOT_DTPREL16_HI 93 /* half16 (sym+add)@got@dtprel@h */
# define R_PPC64_GOT_DTPREL16_HA 94 /* half16 (sym+add)@got@dtprel@ha */
# define R_PPC64_TPREL16_DS 95 /* half16ds* (sym+add)@tprel */
# define R_PPC64_TPREL16_LO_DS 96 /* half16ds (sym+add)@tprel@l */
# define R_PPC64_TPREL16_HIGHER 97 /* half16 (sym+add)@tprel@higher */
# define R_PPC64_TPREL16_HIGHERA 98 /* half16 (sym+add)@tprel@highera */
# define R_PPC64_TPREL16_HIGHEST 99 /* half16 (sym+add)@tprel@highest */
# define R_PPC64_TPREL16_HIGHESTA 100 /* half16 (sym+add)@tprel@highesta */
# define R_PPC64_DTPREL16_DS 101 /* half16ds* (sym+add)@dtprel */
# define R_PPC64_DTPREL16_LO_DS 102 /* half16ds (sym+add)@dtprel@l */
# define R_PPC64_DTPREL16_HIGHER 103 /* half16 (sym+add)@dtprel@higher */
# define R_PPC64_DTPREL16_HIGHERA 104 /* half16 (sym+add)@dtprel@highera */
# define R_PPC64_DTPREL16_HIGHEST 105 /* half16 (sym+add)@dtprel@highest */
# define R_PPC64_DTPREL16_HIGHESTA 106 /* half16 (sym+add)@dtprel@highesta */
/* Keep this the last entry. */
# define R_PPC64_NUM 107
# endif /* __PPC64_ELF_H */