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(unw_dyn_dwarf_fde_info_t): New type to handle (pre-parsed) DWARF

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unwind-info.
(unw_dyn_info_t): Add member "dfi".

(Logical change 1.145)
This commit is contained in:
hp.com!davidm 2003-12-20 11:43:08 +00:00
parent eb51b4294a
commit 45fccdc2f3
1 changed files with 22 additions and 0 deletions
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22
include/libunwind-dynamic.h
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@ -76,6 +76,7 @@ typedef enum
UNW_INFO_FORMAT_DYNAMIC, /* unw_dyn_proc_info_t */
UNW_INFO_FORMAT_TABLE, /* unw_dyn_table_t */
UNW_INFO_FORMAT_REMOTE_TABLE, /* unw_dyn_remote_table_t */
UNW_INFO_FORMAT_DWARF_FDE /* unw_dyn_dwarf_fde_t */
}
unw_dyn_info_format_t;
@ -126,6 +127,26 @@ typedef struct unw_dyn_remote_table_info
}
unw_dyn_remote_table_info_t;
/* The flags member encodes the pointer-encoding used in the FDE, the
pointer-encoding used for the LSDA, and a bit flag that is set if
the FDE's augmentation body starts with a length. */
#define UNW_DYN_DFI_FLAG_FDE_PE_MASK 0x0ff
#define UNW_DYN_DFI_FLAG_AUGMENTATION_HAS_SIZE 0x100
typedef struct unw_dyn_dwarf_fde_info
{
unw_word_t name_ptr; /* addr. of table name (e.g., library name) */
unw_word_t flags; /* see UNW_DYN_DFI_FLAG */
unw_word_t cie_instr_start; /* start addr. of CIE "initial_instructions" */
unw_word_t cie_instr_end; /* start addr. of CIE "initial_instructions" */
unw_word_t fde_instr_start; /* start addr. of FDE "instructions" */
unw_word_t fde_instr_end; /* start addr. of FDE "instructions" */
unw_word_t code_align; /* code-alignment factor */
unw_word_t data_align; /* data-alignment factor */
unw_word_t ret_addr_column; /* column of return-address register */
}
unw_dyn_dwarf_fde_info_t;
typedef struct unw_dyn_info
{
/* doubly-linked list of dyn-info structures: */
@ -141,6 +162,7 @@ typedef struct unw_dyn_info
unw_dyn_proc_info_t pi;
unw_dyn_table_info_t ti;
unw_dyn_remote_table_info_t rti;
unw_dyn_dwarf_fde_info_t dfi;
}
u;
}