mirror of
https://github.com/tobast/libunwind-eh_elf.git
synced 2024-06-25 19:01:44 +02:00
Move all inline functions to dwarf_i.h.
(Logical change 1.162)
This commit is contained in:
hp.com!davidm
parent
b88369b831
commit
fe039e2c1f
319
include/dwarf.h
319
include/dwarf.h
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@ -200,325 +200,6 @@ dwarf_cfa_t;
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extern struct mempool dwarf_reg_state_pool;
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#ifdef UNW_LOCAL_ONLY
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/* In the local-only case, we can let the compiler directly access
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memory and don't need to worry about differing byte-order. */
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typedef union
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{
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int8_t s8;
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int16_t s16;
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int32_t s32;
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int64_t s64;
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uint8_t u8;
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uint16_t u16;
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uint32_t u32;
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uint64_t u64;
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unw_word_t w;
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void *ptr;
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}
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dwarf_misaligned_value_t __attribute__ ((packed));
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static inline int
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dwarf_reads8 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
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int8_t *val, void *arg)
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{
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dwarf_misaligned_value_t *mvp = (void *) *addr;
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*val = mvp->s8;
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*addr += sizeof (mvp->s8);
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return 0;
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}
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static inline int
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dwarf_reads16 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
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int16_t *val, void *arg)
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{
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dwarf_misaligned_value_t *mvp = (void *) *addr;
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*val = mvp->s16;
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*addr += sizeof (mvp->s16);
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return 0;
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}
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static inline int
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dwarf_reads32 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
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int32_t *val, void *arg)
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{
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dwarf_misaligned_value_t *mvp = (void *) *addr;
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*val = mvp->s32;
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*addr += sizeof (mvp->s32);
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return 0;
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}
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static inline int
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dwarf_reads64 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
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int64_t *val, void *arg)
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{
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dwarf_misaligned_value_t *mvp = (void *) *addr;
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*val = mvp->s64;
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*addr += sizeof (mvp->s64);
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return 0;
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}
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static inline int
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dwarf_readu8 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
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uint8_t *val, void *arg)
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{
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dwarf_misaligned_value_t *mvp = (void *) *addr;
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*val = mvp->u8;
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*addr += sizeof (mvp->u8);
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return 0;
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}
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static inline int
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dwarf_readu16 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
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uint16_t *val, void *arg)
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{
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dwarf_misaligned_value_t *mvp = (void *) *addr;
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*val = mvp->u16;
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*addr += sizeof (mvp->u16);
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return 0;
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}
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static inline int
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dwarf_readu32 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
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uint32_t *val, void *arg)
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{
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dwarf_misaligned_value_t *mvp = (void *) *addr;
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*val = mvp->u32;
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*addr += sizeof (mvp->u32);
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return 0;
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}
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static inline int
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dwarf_readu64 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
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uint64_t *val, void *arg)
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{
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dwarf_misaligned_value_t *mvp = (void *) *addr;
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*val = mvp->u64;
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*addr += sizeof (mvp->u64);
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return 0;
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}
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static inline int
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dwarf_readw (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
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unw_word_t *val, void *arg)
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{
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dwarf_misaligned_value_t *mvp = (void *) *addr;
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*val = mvp->w;
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*addr += sizeof (mvp->w);
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return 0;
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}
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static inline int
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dwarf_readptr (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
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unw_word_t *val, void *arg)
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{
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dwarf_misaligned_value_t *mvp = (void *) *addr;
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*val = (unw_word_t) mvp->ptr;
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*addr += sizeof (mvp->ptr);
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return 0;
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}
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#else /* !UNW_LOCAL_ONLY */
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/* XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
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FIX ME
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XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX */
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typedef union
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{
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int8_t s8;
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int16_t s16;
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int32_t s32;
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int64_t s64;
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uint8_t u8;
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uint16_t u16;
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uint32_t u32;
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uint64_t u64;
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unw_word_t w;
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void *ptr;
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}
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dwarf_misaligned_value_t __attribute__ ((packed));
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static inline int
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dwarf_reads8 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
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int8_t *val, void *arg)
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{
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dwarf_misaligned_value_t *mvp = (void *) *addr;
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*val = mvp->s8;
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*addr += sizeof (mvp->s8);
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return 0;
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}
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static inline int
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dwarf_reads16 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
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int16_t *val, void *arg)
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{
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dwarf_misaligned_value_t *mvp = (void *) *addr;
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*val = mvp->s16;
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*addr += sizeof (mvp->s16);
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return 0;
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}
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static inline int
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dwarf_reads32 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
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int32_t *val, void *arg)
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{
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dwarf_misaligned_value_t *mvp = (void *) *addr;
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*val = mvp->s32;
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*addr += sizeof (mvp->s32);
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return 0;
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}
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static inline int
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dwarf_reads64 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
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int64_t *val, void *arg)
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{
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dwarf_misaligned_value_t *mvp = (void *) *addr;
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*val = mvp->s64;
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*addr += sizeof (mvp->s64);
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return 0;
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}
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static inline int
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dwarf_readu8 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
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uint8_t *val, void *arg)
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{
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dwarf_misaligned_value_t *mvp = (void *) *addr;
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*val = mvp->u8;
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*addr += sizeof (mvp->u8);
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return 0;
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}
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static inline int
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dwarf_readu16 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
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uint16_t *val, void *arg)
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{
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dwarf_misaligned_value_t *mvp = (void *) *addr;
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*val = mvp->u16;
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*addr += sizeof (mvp->u16);
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return 0;
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}
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static inline int
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dwarf_readu32 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
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uint32_t *val, void *arg)
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{
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dwarf_misaligned_value_t *mvp = (void *) *addr;
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*val = mvp->u32;
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*addr += sizeof (mvp->u32);
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return 0;
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}
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static inline int
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dwarf_readu64 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
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uint64_t *val, void *arg)
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{
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dwarf_misaligned_value_t *mvp = (void *) *addr;
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*val = mvp->u64;
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*addr += sizeof (mvp->u64);
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return 0;
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}
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static inline int
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dwarf_readw (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
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unw_word_t *val, void *arg)
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{
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dwarf_misaligned_value_t *mvp = (void *) *addr;
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*val = mvp->w;
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*addr += sizeof (mvp->w);
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return 0;
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}
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static inline int
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dwarf_readptr (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
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unw_word_t *val, void *arg)
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{
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dwarf_misaligned_value_t *mvp = (void *) *addr;
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*val = (unw_word_t) mvp->ptr;
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*addr += sizeof (mvp->ptr);
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return 0;
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}
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#endif /* !UNW_LOCAL_ONLY */
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/* Read an unsigned "little-endian base 128" value. See Chapter 7.6
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of DWARF spec v3. */
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static inline int
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dwarf_read_uleb128 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
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unw_word_t *valp, void *arg)
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{
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unw_word_t val = 0, shift = 0;
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unsigned char byte;
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int ret;
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do
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{
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if ((ret = dwarf_readu8 (as, a, addr, &byte, arg)) < 0)
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return ret;
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val |= ((unw_word_t) byte & 0x7f) << shift;
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shift += 7;
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}
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while (byte & 0x80);
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*valp = val;
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return 0;
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}
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/* Read a signed "little-endian base 128" value. See Chapter 7.6 of
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DWARF spec v3. */
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static inline int
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dwarf_read_sleb128 (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
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unw_word_t *valp, void *arg)
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{
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unw_word_t val = 0, shift = 0;
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unsigned char byte;
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int ret;
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do
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{
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if ((ret = dwarf_readu8 (as, a, addr, &byte, arg)) < 0)
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return ret;
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val |= ((unw_word_t) byte & 0x7f) << shift;
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shift += 7;
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}
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while (byte & 0x80);
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if (shift < 8 * sizeof (unw_word_t) && (byte & 0x40) != 0)
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/* sign-extend negative value */
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val |= ((unw_word_t) -1) << shift;
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*valp = val;
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return 0;
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}
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typedef enum
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{
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DWARF_WHERE_UNDEF, /* register isn't saved at all */
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