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https://github.com/tobast/libunwind-eh_elf.git
synced 2024-06-30 21:21:45 +02:00
Move enum ia64_pregnum and struct unw_addr_space to tdep-ia64.h.
(IA64_FLAG_SIGTRAMP): Replace with is_signal_frame member. (IA64_FLAG_BIG_ENDIAN): Replace with per-address space big_endian flag. (struct ia64_cursor): Add pi_valid and pi_is_dynamic members. (ia64_find_proc_info): Add "need_unwind_info" argument. (ia64_put_unwind_info): New macro. (Logical change 1.30)
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mostang.com!davidm
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793c8a3005
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@ -32,6 +32,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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#include <libunwind-ia64.h>
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#include "config.h"
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#include "internal.h"
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#include "mempool.h"
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#define struct_offset(str,fld) ((char *)&((str *)NULL)->fld - (char *) 0)
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@ -69,37 +70,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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# define STAT(x...)
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#endif
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enum ia64_pregnum
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{
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/* primary unat: */
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IA64_REG_PRI_UNAT_GR,
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IA64_REG_PRI_UNAT_MEM,
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/* register stack */
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IA64_REG_BSP, /* register stack pointer */
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IA64_REG_BSPSTORE,
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IA64_REG_PFS, /* previous function state */
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IA64_REG_RNAT,
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/* memory stack */
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IA64_REG_PSP, /* previous memory stack pointer */
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/* return pointer: */
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IA64_REG_RP,
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/* preserved registers: */
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IA64_REG_R4, IA64_REG_R5, IA64_REG_R6, IA64_REG_R7,
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IA64_REG_NAT4, IA64_REG_NAT5, IA64_REG_NAT6, IA64_REG_NAT7,
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IA64_REG_UNAT, IA64_REG_PR, IA64_REG_LC, IA64_REG_FPSR,
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IA64_REG_B1, IA64_REG_B2, IA64_REG_B3, IA64_REG_B4, IA64_REG_B5,
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IA64_REG_F2, IA64_REG_F3, IA64_REG_F4, IA64_REG_F5,
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IA64_REG_F16, IA64_REG_F17, IA64_REG_F18, IA64_REG_F19,
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IA64_REG_F20, IA64_REG_F21, IA64_REG_F22, IA64_REG_F23,
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IA64_REG_F24, IA64_REG_F25, IA64_REG_F26, IA64_REG_F27,
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IA64_REG_F28, IA64_REG_F29, IA64_REG_F30, IA64_REG_F31,
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IA64_NUM_PREGS
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};
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#define IA64_FLAG_SIGTRAMP (1 << 0) /* signal trampoline? */
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#define IA64_FLAG_BIG_ENDIAN (1 << 1) /* big-endian? */
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#include "tdep.h"
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struct ia64_cursor
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{
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@ -118,7 +89,6 @@ struct ia64_cursor
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unw_word_t cfm_loc; /* cfm save location (or NULL) */
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unw_word_t rbs_top; /* address of end of register backing store */
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unw_word_t top_rnat_loc; /* location of final (topmost) RNaT word */
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unw_proc_info_t pi; /* info about current procedure */
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/* preserved state: */
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unw_word_t bsp_loc; /* previous bsp save location */
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@ -138,22 +108,16 @@ struct ia64_cursor
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unw_word_t eh_args[4]; /* exception handler arguments */
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unw_word_t sigcontext_loc; /* location of sigcontext or NULL */
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unw_word_t is_signal_frame; /* is this a signal trampoline frame? */
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short hint;
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short prev_script;
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int pi_valid : 1; /* is proc_info valid? */
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int pi_is_dynamic : 1; /* proc_info found via dynamic proc info? */
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unw_proc_info_t pi; /* info about current procedure */
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};
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#include "script.h"
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struct unw_addr_space
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{
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struct unw_accessors acc;
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unw_caching_policy_t caching_policy;
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u_int32_t cache_generation;
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struct ia64_script_cache global_cache;
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};
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/* Bits 0 to 2 of an location are used to encode its type:
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bit 0: set if location uses floating-point format.
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@ -179,9 +143,10 @@ extern void *_Uia64_uc_addr (ucontext_t *uc, unw_regnum_t regnum);
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#define IA64_FPREG_LOC(c,r) \
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((unw_word_t) _Uia64_uc_addr((c)->as_arg, (r)) | IA64_LOC_TYPE_FP)
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# define ia64_find_proc_info(c,ip) \
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_Uia64_find_proc_info(unw_local_addr_space, (ip), &(c)->pi, \
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# define ia64_find_proc_info(c,ip,n) \
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_Uia64_find_proc_info(unw_local_addr_space, (ip), &(c)->pi, (n), \
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(c)->as_arg)
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# define ia64_put_unwind_info(c, pi) do { ; } while (0)
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/* Note: the register accessors (ia64_{get,set}{,fp}()) must check for
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NULL locations because _Uia64_uc_addr() returns NULL for unsaved
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@ -230,8 +195,11 @@ ia64_put (struct ia64_cursor *c, unw_word_t loc, unw_word_t val)
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#define IA64_FPREG_LOC(c,r) IA64_LOC((r), (IA64_LOC_TYPE_REG \
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| IA64_LOC_TYPE_FP))
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# define ia64_find_proc_info(c,ip) \
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(*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (c)->as_arg)
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# define ia64_find_proc_info(c,ip,n) \
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(*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (n), \
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(c)->as_arg)
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# define ia64_put_unwind_info(c,pi) \
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(*(c)->as->acc.put_unwind_info)((c)->as, (pi), (c)->as_arg)
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static inline int
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ia64_getfp (struct ia64_cursor *c, unw_word_t loc, unw_fpreg_t *val)
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@ -288,7 +256,7 @@ ia64_get (struct ia64_cursor *c, unw_word_t loc, unw_word_t *val)
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if (ret < 0)
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return ret;
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if (c->pi.flags & IA64_FLAG_BIG_ENDIAN)
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if (c->as->big_endian)
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*val = tmp.raw.bits[1];
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else
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*val = tmp.raw.bits[0];
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@ -310,7 +278,7 @@ ia64_put (struct ia64_cursor *c, unw_word_t loc, unw_word_t val)
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unw_fpreg_t tmp;
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memset (&tmp, 0, sizeof (tmp));
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if (c->pi.flags & IA64_FLAG_BIG_ENDIAN)
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if (c->as->big_endian)
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tmp.raw.bits[1] = val;
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else
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tmp.raw.bits[0] = val;
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@ -374,7 +342,7 @@ struct ia64_state_record
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unsigned int done : 1; /* are we done scanning descriptors? */
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unsigned int any_spills : 1; /* got any register spills? */
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unsigned int in_body : 1; /* are we inside prologue or body? */
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unsigned int flags; /* see IA64_FLAG_* */
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unsigned int is_signal_frame : 1;
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uint8_t *imask; /* imask of spill_mask record or NULL */
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unw_word_t pr_val; /* predicate values */
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@ -497,7 +465,8 @@ extern int ia64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor,
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void *arg);
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extern int _Uia64_find_proc_info (unw_addr_space_t as, unw_word_t ip,
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unw_proc_info_t *pi, void *arg);
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unw_proc_info_t *pi, int need_unwind_info,
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void *arg);
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/* XXX should be in glibc: */
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#ifndef IA64_SC_FLAG_ONSTACK
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