diff options
Diffstat (limited to 'include/tdep-aarch64/libunwind_i.h')
| -rw-r--r-- | include/tdep-aarch64/libunwind_i.h | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/include/tdep-aarch64/libunwind_i.h b/include/tdep-aarch64/libunwind_i.h index b162271c..9f0c0cc3 100644 --- a/include/tdep-aarch64/libunwind_i.h +++ b/include/tdep-aarch64/libunwind_i.h @@ -37,9 +37,25 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "mempool.h" #include "dwarf.h" +typedef enum + { + UNW_AARCH64_FRAME_STANDARD = -2, /* regular fp, sp +/- offset */ + UNW_AARCH64_FRAME_SIGRETURN = -1, /* special sigreturn frame */ + UNW_AARCH64_FRAME_OTHER = 0, /* not cacheable (special or unrecognised) */ + UNW_AARCH64_FRAME_GUESSED = 1 /* guessed it was regular, but not known */ + } +unw_tdep_frame_type_t; + typedef struct { - /* no aarch64-specific fast trace */ + uint64_t virtual_address; + int64_t frame_type : 2; /* unw_tdep_frame_type_t classification */ + int64_t last_frame : 1; /* non-zero if last frame in chain */ + int64_t cfa_reg_sp : 1; /* cfa dwarf base register is sp vs. fp */ + int64_t cfa_reg_offset : 30; /* cfa is at this offset from base register value */ + int64_t fp_cfa_offset : 30; /* fp saved at this offset from cfa (-1 = not saved) */ + int64_t lr_cfa_offset : 30; /* lr saved at this offset from cfa (-1 = not saved) */ + int64_t sp_cfa_offset : 30; /* sp saved at this offset from cfa (-1 = not saved) */ } unw_tdep_frame_t; @@ -76,6 +92,9 @@ struct unw_addr_space struct cursor { struct dwarf_cursor dwarf; /* must be first */ + + unw_tdep_frame_t frame_info; /* quick tracing assist info */ + enum { AARCH64_SCF_NONE, @@ -85,6 +104,7 @@ struct cursor unw_word_t sigcontext_addr; unw_word_t sigcontext_sp; unw_word_t sigcontext_pc; + int validate; }; #define DWARF_GET_LOC(l) ((l).val) @@ -240,7 +260,7 @@ dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) -#define tdep_getcontext_trace unw_getcontext +#define tdep_getcontext_trace UNW_ARCH_OBJ(getcontext_trace) #define tdep_init_done UNW_OBJ(init_done) #define tdep_init UNW_OBJ(init) /* Platforms that support UNW_INFO_FORMAT_TABLE need to define @@ -254,8 +274,8 @@ dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) #define tdep_fetch_frame(c,ip,n) do {} while(0) #define tdep_cache_frame(c,rs) do {} while(0) #define tdep_reuse_frame(c,rs) do {} while(0) -#define tdep_stash_frame(c,rs) do {} while(0) -#define tdep_trace(cur,addr,n) (-UNW_ENOINFO) +#define tdep_stash_frame UNW_OBJ(tdep_stash_frame) +#define tdep_trace UNW_OBJ(tdep_trace) #ifdef UNW_LOCAL_ONLY # define tdep_find_proc_info(c,ip,n) \ @@ -290,5 +310,9 @@ extern int tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, int write); extern int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, int write); +extern int tdep_trace (unw_cursor_t *cursor, void **addresses, int *n); +extern void tdep_stash_frame (struct dwarf_cursor *c, + struct dwarf_reg_state *rs); +extern int tdep_getcontext_trace (unw_tdep_context_t *); #endif /* AARCH64_LIBUNWIND_I_H */ |