static void
_dwarf_cie_fde_test(Dwarf_Debug dbg, int eh, void (*_frame_test)(Dwarf_Debug,
Dwarf_Fde, Dwarf_Addr, Dwarf_Unsigned, Dwarf_Unsigned))
{
Dwarf_Cie *cielist, cie;
Dwarf_Fde *fdelist, fde;
Dwarf_Frame_Op *oplist;
Dwarf_Signed ciecnt, fdecnt;
Dwarf_Addr low_pc, high_pc;
Dwarf_Unsigned func_len, fde_byte_len, fde_inst_len, bytes_in_cie;
Dwarf_Unsigned cie_caf, cie_daf, cie_inst_len;
Dwarf_Signed cie_index, opcnt;
Dwarf_Off cie_offset, fde_offset;
Dwarf_Ptr fde_bytes, fde_inst, cie_initinst;
Dwarf_Half cie_ra;
Dwarf_Small cie_version;
Dwarf_Error de;
const char *cfa_str;
char *cie_augmenter;
int i, j, r_fde_at_pc;
if (eh) {
if (dwarf_get_fde_list_eh(dbg, &cielist, &ciecnt, &fdelist,
&fdecnt, &de) != DW_DLV_OK) {
tet_printf("dwarf_get_fde_list_eh failed: %s\n",
dwarf_errmsg(de));
result = TET_FAIL;
goto done;
}
} else {
if (dwarf_get_fde_list(dbg, &cielist, &ciecnt, &fdelist,
&fdecnt, &de) != DW_DLV_OK) {
tet_printf("dwarf_get_fde_list failed: %s\n",
dwarf_errmsg(de));
result = TET_FAIL;
goto done;
}
}
TS_CHECK_INT(ciecnt);
TS_CHECK_INT(fdecnt);
/*
* Test dwarf_get_fde_at_pc using hard-coded PC values.
*/
tet_infoline("attempt to get fde at 0x08082a30");
r_fde_at_pc = dwarf_get_fde_at_pc(fdelist, 0x08082a30, &fde, &low_pc,
&high_pc, &de);
TS_CHECK_INT(r_fde_at_pc);
if (r_fde_at_pc == DW_DLV_OK) {
TS_CHECK_UINT(low_pc);
TS_CHECK_UINT(high_pc);
}
tet_infoline("attempt to get fde at 0x08083087");
r_fde_at_pc = dwarf_get_fde_at_pc(fdelist, 0x08083087, &fde, &low_pc,
&high_pc, &de);
TS_CHECK_INT(r_fde_at_pc);
if (r_fde_at_pc == DW_DLV_OK) {
TS_CHECK_UINT(low_pc);
TS_CHECK_UINT(high_pc);
}
tet_infoline("attempt to get fde at 0x080481f0");
r_fde_at_pc = dwarf_get_fde_at_pc(fdelist, 0x080481f0, &fde, &low_pc,
&high_pc, &de);
TS_CHECK_INT(r_fde_at_pc);
if (r_fde_at_pc == DW_DLV_OK) {
TS_CHECK_UINT(low_pc);
TS_CHECK_UINT(high_pc);
}
tet_infoline("attempt to get fde at 0x08048564");
r_fde_at_pc = dwarf_get_fde_at_pc(fdelist, 0x08048564, &fde, &low_pc,
&high_pc, &de);
TS_CHECK_INT(r_fde_at_pc);
if (r_fde_at_pc == DW_DLV_OK) {
TS_CHECK_UINT(low_pc);
TS_CHECK_UINT(high_pc);
}
tet_infoline("attempt to get fde at 0x00401280");
r_fde_at_pc = dwarf_get_fde_at_pc(fdelist, 0x00401280, &fde, &low_pc,
&high_pc, &de);
TS_CHECK_INT(r_fde_at_pc);
if (r_fde_at_pc == DW_DLV_OK) {
TS_CHECK_UINT(low_pc);
TS_CHECK_UINT(high_pc);
}
tet_infoline("attempt to get fde at 0x004012b1");
r_fde_at_pc = dwarf_get_fde_at_pc(fdelist, 0x004012b1, &fde, &low_pc,
&high_pc, &de);
TS_CHECK_INT(r_fde_at_pc);
if (r_fde_at_pc == DW_DLV_OK) {
TS_CHECK_UINT(low_pc);
TS_CHECK_UINT(high_pc);
}
/*
* Test each FDE contained in the FDE list.
*/
for (i = 0; i < fdecnt; i++) {
if (dwarf_get_fde_n(fdelist, i, &fde, &de) != DW_DLV_OK) {
tet_printf("dwarf_get_fde_n(%d) failed: %s\n", i,
dwarf_errmsg(de));
result = TET_FAIL;
continue;
}
if (dwarf_get_fde_range(fde, &low_pc, &func_len, &fde_bytes,
&fde_byte_len, &cie_offset, &cie_index, &fde_offset,
&de) == DW_DLV_ERROR) {
tet_printf("dwarf_get_fde_range(%d) failed: %s\n", i,
dwarf_errmsg(de));
result = TET_FAIL;
continue;
}
TS_CHECK_UINT(low_pc);
TS_CHECK_UINT(func_len);
TS_CHECK_UINT(fde_byte_len);
if (fde_byte_len > 0)
TS_CHECK_BLOCK(fde_bytes, fde_byte_len);
TS_CHECK_INT(cie_offset);
TS_CHECK_INT(cie_index);
TS_CHECK_INT(fde_offset);
if (dwarf_get_cie_of_fde(fde, &cie, &de) != DW_DLV_OK) {
tet_printf("dwarf_get_cie_of_fde(%d) failed: %s\n", i,
dwarf_errmsg(de));
result = TET_FAIL;
continue;
}
if (dwarf_get_cie_index(cie, &cie_index, &de) != DW_DLV_OK) {
tet_printf("dwarf_get_cie_index(%d) failed: %s\n", i,
dwarf_errmsg(de));
result = TET_FAIL;
continue;
}
TS_CHECK_INT(cie_index);
if (dwarf_get_cie_info(cie, &bytes_in_cie, &cie_version,
&cie_augmenter, &cie_caf, &cie_daf, &cie_ra, &cie_initinst,
&cie_inst_len, &de) != DW_DLV_OK) {
tet_printf("dwarf_get_cie_info(%d) failed: %s\n", i,
dwarf_errmsg(de));
result = TET_FAIL;
continue;
}
TS_CHECK_UINT(bytes_in_cie);
TS_CHECK_UINT(cie_version);
TS_CHECK_STRING(cie_augmenter);
TS_CHECK_UINT(cie_caf);
TS_CHECK_UINT(cie_daf);
TS_CHECK_UINT(cie_ra);
TS_CHECK_UINT(cie_inst_len);
if (cie_inst_len > 0)
TS_CHECK_BLOCK(cie_initinst, cie_inst_len);
if (dwarf_get_fde_instr_bytes(fde, &fde_inst, &fde_inst_len,
&de) != DW_DLV_OK) {
tet_printf("dwarf_get_fde_instr_bytes(%d) failed: %s\n",
i, dwarf_errmsg(de));
result = TET_FAIL;
continue;
}
TS_CHECK_UINT(fde_inst_len);
if (fde_inst_len > 0) {
TS_CHECK_BLOCK(fde_inst, fde_inst_len);
if (dwarf_expand_frame_instructions(cie, fde_inst,
fde_inst_len, &oplist, &opcnt, &de) != DW_DLV_OK) {
tet_printf("dwarf_expand_frame_instructions(%d)"
" failed: %s\n", i, dwarf_errmsg(de));
result = TET_FAIL;
continue;
}
TS_CHECK_INT(opcnt);
for (j = 0; j < opcnt; j++) {
TS_CHECK_UINT(oplist[j].fp_base_op);
if (oplist[j].fp_base_op != 0) {
if (dwarf_get_CFA_name(
oplist[j].fp_base_op << 6,
&cfa_str) != DW_DLV_OK) {
tet_printf("dwarf_get_CFA_name"
" failed\n");
continue;
}
TS_CHECK_STRING(cfa_str);
}
TS_CHECK_UINT(oplist[j].fp_extended_op);
if (oplist[j].fp_extended_op != 0) {
if (dwarf_get_CFA_name(
oplist[j].fp_extended_op,
&cfa_str) != DW_DLV_OK) {
tet_printf("dwarf_get_CFA_name"
" failed\n");
continue;
}
TS_CHECK_STRING(cfa_str);
}
TS_CHECK_UINT(oplist[j].fp_register);
TS_CHECK_INT(oplist[j].fp_offset);
TS_CHECK_INT(oplist[j].fp_instr_offset);
}
}
_frame_test(dbg, fde, low_pc, func_len, cie_caf);
}
done:
return;
}
/* Used by rqs (an IRIX application).
Not needed except for that one application.
Should be moved to its own source file since
it is so rarely needed.
Returns DW_DLV_OK if returns the arrays.
Returns DW_DLV_NO_ENTRY if no section. ?? (How do I tell?)
Returns DW_DLV_ERROR if there is an error.
Uses DW_FRAME_CFA_COL because IRIX is only DWARF2
and that is what IRIX compilers and compatible
compilers support on IRIX.
*/
int
_dwarf_frame_address_offsets(Dwarf_Debug dbg, Dwarf_Addr ** addrlist,
Dwarf_Off ** offsetlist,
Dwarf_Signed * returncount,
Dwarf_Error * err)
{
int retval = DW_DLV_OK;
int res = DW_DLV_ERROR;
Dwarf_Cie *cie_data = 0;
Dwarf_Signed cie_count = 0;
Dwarf_Fde *fde_data = 0;
Dwarf_Signed fde_count = 0;
Dwarf_Signed i = 0;
Dwarf_Unsigned u = 0;
Dwarf_Frame_Op *frame_inst = 0;
Dwarf_Fde fdep = 0;
Dwarf_Cie ciep = 0;
Dwarf_Chain curr_chain = 0;
Dwarf_Chain head_chain = 0;
Dwarf_Chain prev_chain = 0;
Dwarf_Arange arange = 0;
Dwarf_Unsigned arange_count = 0;
Dwarf_Addr *arange_addrs = 0;
Dwarf_Off *arange_offsets = 0;
res = dwarf_get_fde_list(dbg, &cie_data, &cie_count,
&fde_data, &fde_count, err);
if (res != DW_DLV_OK) {
return res;
}
res = _dwarf_load_section(dbg, &dbg->de_debug_frame, err);
if (res != DW_DLV_OK) {
return res;
}
if (!dbg->de_debug_frame.dss_size) {
return (DW_DLV_NO_ENTRY);
}
for (i = 0; i < cie_count; i++) {
Dwarf_Off instoff = 0;
Dwarf_Signed initial_instructions_length = 0;
Dwarf_Small *instr_end = 0;
Dwarf_Sword icount = 0;
int j = 0;
int dw_err;
ciep = cie_data[i];
instoff = ciep->ci_cie_instr_start - dbg->de_debug_frame.dss_data;
initial_instructions_length = ciep->ci_length +
ciep->ci_length_size + ciep->ci_extension_size -
(ciep->ci_cie_instr_start - ciep->ci_cie_start);
instr_end = ciep->ci_cie_instr_start +
initial_instructions_length;
res = _dwarf_exec_frame_instr( /* make_instr */ true,
&frame_inst,
/* search_pc= */ false,
/* search_pc_val= */ 0,
/* location */ 0,
ciep->ci_cie_instr_start,
instr_end,
/* Dwarf_frame= */ 0,
/* cie= */ 0,
dbg,
DW_FRAME_CFA_COL,
&icount, &dw_err);
if (res == DW_DLV_ERROR) {
_dwarf_error(dbg, err, dw_err);
return (res);
} else if (res == DW_DLV_NO_ENTRY) {
continue;
}
for (j = 0; j < icount; ++j) {
Dwarf_Frame_Op *finst = frame_inst + j;
if (finst->fp_base_op == 0 && finst->fp_extended_op == 1) {
/* is DW_CFA_set_loc */
Dwarf_Addr add = (Dwarf_Addr) finst->fp_offset;
Dwarf_Off off = finst->fp_instr_offset + instoff;
arange = (Dwarf_Arange)
_dwarf_get_alloc(dbg, DW_DLA_ARANGE, 1);
if (arange == NULL) {
_dwarf_error(dbg, err, DW_DLE_ALLOC_FAIL);
return (DW_DLV_ERROR);
}
arange->ar_address = add;
arange->ar_info_offset = off;
arange_count++;
curr_chain = (Dwarf_Chain)
_dwarf_get_alloc(dbg, DW_DLA_CHAIN, 1);
if (curr_chain == NULL) {
_dwarf_error(dbg, err, DW_DLE_ALLOC_FAIL);
return (DW_DLV_ERROR);
}
curr_chain->ch_item = arange;
if (head_chain == NULL)
head_chain = prev_chain = curr_chain;
else {
prev_chain->ch_next = curr_chain;
prev_chain = curr_chain;
}
}
}
dwarf_dealloc(dbg, frame_inst, DW_DLA_FRAME_BLOCK);
}
for (i = 0; i < fde_count; i++) {
Dwarf_Small *instr_end = 0;
Dwarf_Sword icount = 0;
Dwarf_Signed instructions_length = 0;
Dwarf_Off instoff = 0;
Dwarf_Off off = 0;
Dwarf_Addr addr = 0;
int j = 0;
int dw_err;
fdep = fde_data[i];
off = fdep->fd_initial_loc_pos - dbg->de_debug_frame.dss_data;
addr = fdep->fd_initial_location;
arange = (Dwarf_Arange)
_dwarf_get_alloc(dbg, DW_DLA_ARANGE, 1);
if (arange == NULL) {
_dwarf_error(dbg, err, DW_DLE_ALLOC_FAIL);
return (DW_DLV_ERROR);
}
arange->ar_address = addr;
arange->ar_info_offset = off;
arange_count++;
curr_chain = (Dwarf_Chain)
_dwarf_get_alloc(dbg, DW_DLA_CHAIN, 1);
if (curr_chain == NULL) {
_dwarf_error(dbg, err, DW_DLE_ALLOC_FAIL);
return (DW_DLV_ERROR);
}
curr_chain->ch_item = arange;
if (head_chain == NULL)
head_chain = prev_chain = curr_chain;
else {
prev_chain->ch_next = curr_chain;
prev_chain = curr_chain;
}
instoff = fdep->fd_fde_instr_start - dbg->de_debug_frame.dss_data;
instructions_length = fdep->fd_length +
fdep->fd_length_size + fdep->fd_extension_size -
(fdep->fd_fde_instr_start - fdep->fd_fde_start);
instr_end = fdep->fd_fde_instr_start + instructions_length;
res = _dwarf_exec_frame_instr( /* make_instr */ true,
&frame_inst,
/* search_pc= */ false,
/* search_pc_val= */ 0,
/* location */ 0,
fdep->fd_fde_instr_start,
instr_end,
/* Dwarf_frame= */ 0,
/* cie= */ 0,
dbg,
DW_FRAME_CFA_COL,
&icount, &dw_err);
if (res == DW_DLV_ERROR) {
_dwarf_error(dbg, err, dw_err);
return (res);
} else if (res == DW_DLV_NO_ENTRY) {
continue;
}
for (j = 0; j < icount; ++j) {
Dwarf_Frame_Op *finst2 = frame_inst + j;
if (finst2->fp_base_op == 0 && finst2->fp_extended_op == 1) {
/* is DW_CFA_set_loc */
Dwarf_Addr add = (Dwarf_Addr) finst2->fp_offset;
Dwarf_Off off2 = finst2->fp_instr_offset + instoff;
arange = (Dwarf_Arange)
_dwarf_get_alloc(dbg, DW_DLA_ARANGE, 1);
if (arange == NULL) {
_dwarf_error(dbg, err, DW_DLE_ALLOC_FAIL);
return (DW_DLV_ERROR);
}
arange->ar_address = add;
arange->ar_info_offset = off2;
arange_count++;
curr_chain = (Dwarf_Chain)
_dwarf_get_alloc(dbg, DW_DLA_CHAIN, 1);
if (curr_chain == NULL) {
_dwarf_error(dbg, err, DW_DLE_ALLOC_FAIL);
return (DW_DLV_ERROR);
}
curr_chain->ch_item = arange;
if (head_chain == NULL)
head_chain = prev_chain = curr_chain;
else {
prev_chain->ch_next = curr_chain;
prev_chain = curr_chain;
}
}
}
dwarf_dealloc(dbg, frame_inst, DW_DLA_FRAME_BLOCK);
}
dwarf_dealloc(dbg, fde_data, DW_DLA_LIST);
dwarf_dealloc(dbg, cie_data, DW_DLA_LIST);
arange_addrs = (Dwarf_Addr *)
_dwarf_get_alloc(dbg, DW_DLA_ADDR, arange_count);
if (arange_addrs == NULL) {
_dwarf_error(dbg, err, DW_DLE_ALLOC_FAIL);
return (DW_DLV_ERROR);
}
arange_offsets = (Dwarf_Off *)
_dwarf_get_alloc(dbg, DW_DLA_ADDR, arange_count);
if (arange_offsets == NULL) {
_dwarf_error(dbg, err, DW_DLE_ALLOC_FAIL);
return (DW_DLV_ERROR);
}
curr_chain = head_chain;
for (u = 0; u < arange_count; u++) {
Dwarf_Arange ar = curr_chain->ch_item;
arange_addrs[u] = ar->ar_address;
arange_offsets[u] = ar->ar_info_offset;
prev_chain = curr_chain;
curr_chain = curr_chain->ch_next;
dwarf_dealloc(dbg, ar, DW_DLA_ARANGE);
dwarf_dealloc(dbg, prev_chain, DW_DLA_CHAIN);
}
*returncount = arange_count;
*offsetlist = arange_offsets;
*addrlist = arange_addrs;
return retval;
}
