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[gdb/testsuite] Add pseudo line number program instruction: line
There's an idiom in dwarf assembly test-cases:
...
set line1 [gdb_get_line_number "line 1"]
set line2 [gdb_get_line_number "line 2"]
set line3 [gdb_get_line_number "line 3"]
...
{DW_LNS_advance_line [expr $line1 - 1]}
...
{DW_LNS_advance_line [expr $line2 - $line1]}
...
{DW_LNS_advance_line [expr $line3 - $line2]}
...
Add a pseudo line number program instruction "line", such that we can simply
write:
...
{line $line1}
...
{line $line2}
...
{line $line3}
...
Build and reg-tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2020-07-16 Tom de Vries <tdevries@suse.de>
* lib/dwarf.exp (program): Initialize _line.
(DW_LNE_end_sequence): Reinitialize _line.
(DW_LNS_advance_line): Update _line.
(line): New proc.
* gdb.dwarf2/dw2-inline-many-frames.exp: Use line.
* gdb.dwarf2/dw2-inline-small-func.exp: Same.
* gdb.dwarf2/dw2-inline-stepping.exp: Same.
* gdb.dwarf2/dw2-is-stmt-2.exp: Same.
* gdb.dwarf2/dw2-is-stmt.exp: Same.
* gdb.dwarf2/dw2-ranges-func.exp: Same.
This commit is contained in:
Tom de Vries
parent
8ed8e29f05
commit
853772cc18
@ -1,3 +1,16 @@
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2020-07-16 Tom de Vries <tdevries@suse.de>
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* lib/dwarf.exp (program): Initialize _line.
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(DW_LNE_end_sequence): Reinitialize _line.
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(DW_LNS_advance_line): Update _line.
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(line): New proc.
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* gdb.dwarf2/dw2-inline-many-frames.exp: Use line.
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* gdb.dwarf2/dw2-inline-small-func.exp: Same.
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* gdb.dwarf2/dw2-inline-stepping.exp: Same.
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* gdb.dwarf2/dw2-is-stmt-2.exp: Same.
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* gdb.dwarf2/dw2-is-stmt.exp: Same.
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* gdb.dwarf2/dw2-ranges-func.exp: Same.
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2020-07-15 Andrew Burgess <andrew.burgess@embecosm.com>
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* gdb.fortran/ptype-on-functions.exp: Make the result pattern more
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@ -188,91 +188,91 @@ Dwarf::assemble $asm_file {
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program {
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{DW_LNE_set_address $main_start}
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{DW_LNS_advance_line [expr [gdb_get_line_number "main prologue"] - 1]}
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{line [gdb_get_line_number "main prologue"]}
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{DW_LNS_copy}
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{DW_LNE_set_address main_label}
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{DW_LNS_advance_line [expr [gdb_get_line_number "main set global_var"] - [gdb_get_line_number "main prologue"]]}
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{line [gdb_get_line_number "main set global_var"]}
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{DW_LNS_copy}
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{DW_LNE_set_address main_label2}
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{DW_LNS_advance_line [expr [gdb_get_line_number "main call aaa"] - [gdb_get_line_number "main set global_var"]]}
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{line [gdb_get_line_number "main call aaa"]}
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{DW_LNS_copy}
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{DW_LNE_set_address main_label2}
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{DW_LNS_advance_line [expr [gdb_get_line_number "aaa return"] - [gdb_get_line_number "main call aaa"]]}
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{line [gdb_get_line_number "aaa return"]}
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{DW_LNS_copy}
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{DW_LNE_set_address main_label2}
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{DW_LNS_advance_line [expr [gdb_get_line_number "bbb return"] - [gdb_get_line_number "aaa return"]]}
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{line [gdb_get_line_number "bbb return"]}
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{DW_LNS_copy}
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{DW_LNE_set_address main_label2}
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{DW_LNS_advance_line [expr [gdb_get_line_number "ccc return"] - [gdb_get_line_number "bbb return"]]}
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{line [gdb_get_line_number "ccc return"]}
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{DW_LNS_copy}
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{DW_LNE_set_address main_label3}
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{DW_LNS_advance_line [expr [gdb_get_line_number "main end"] - [gdb_get_line_number "ccc return"]]}
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{line [gdb_get_line_number "main end"]}
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{DW_LNS_copy}
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{DW_LNE_set_address $main_end}
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{DW_LNE_end_sequence}
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{DW_LNE_set_address $ddd_start}
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{DW_LNS_advance_line [expr [gdb_get_line_number "ddd prologue"] - 1]}
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{line [gdb_get_line_number "ddd prologue"]}
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{DW_LNS_copy}
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{DW_LNE_set_address ddd_label}
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{DW_LNS_advance_line [expr [gdb_get_line_number "ddd return"] - [gdb_get_line_number "ddd prologue"]]}
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{line [gdb_get_line_number "ddd return"]}
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{DW_LNS_copy}
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{DW_LNE_set_address ddd_label2}
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{DW_LNS_advance_line [expr [gdb_get_line_number "ddd end"] - [gdb_get_line_number "ddd return"]]}
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{line [gdb_get_line_number "ddd end"]}
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{DW_LNS_copy}
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{DW_LNE_set_address $ddd_end}
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{DW_LNE_end_sequence}
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{DW_LNE_set_address $eee_start}
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{DW_LNS_advance_line [expr [gdb_get_line_number "eee prologue"] - 1]}
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{line [gdb_get_line_number "eee prologue"]}
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{DW_LNS_copy}
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{DW_LNE_set_address eee_label}
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{DW_LNS_advance_line [expr [gdb_get_line_number "eee return"] - [gdb_get_line_number "eee prologue"]]}
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{line [gdb_get_line_number "eee return"]}
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{DW_LNS_copy}
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{DW_LNE_set_address eee_label2}
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{DW_LNS_advance_line [expr [gdb_get_line_number "eee end"] - [gdb_get_line_number "eee return"]]}
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{line [gdb_get_line_number "eee end"]}
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{DW_LNS_copy}
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{DW_LNE_set_address $eee_end}
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{DW_LNE_end_sequence}
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{DW_LNE_set_address $fff_start}
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{DW_LNS_advance_line [expr [gdb_get_line_number "fff prologue"] - 1]}
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{line [gdb_get_line_number "fff prologue"]}
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{DW_LNS_copy}
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{DW_LNE_set_address fff_label}
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{DW_LNS_advance_line [expr [gdb_get_line_number "fff return"] - [gdb_get_line_number "fff prologue"]]}
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{line [gdb_get_line_number "fff return"]}
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{DW_LNS_copy}
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{DW_LNE_set_address fff_label}
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{DW_LNS_advance_line [expr [gdb_get_line_number "ggg return"] - [gdb_get_line_number "fff return"]]}
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{line [gdb_get_line_number "ggg return"]}
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{DW_LNS_copy}
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{DW_LNE_set_address fff_label}
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{DW_LNS_advance_line [expr [gdb_get_line_number "hhh return"] - [gdb_get_line_number "ggg return"]]}
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{line [gdb_get_line_number "hhh return"]}
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{DW_LNS_copy}
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{DW_LNE_set_address fff_label}
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{DW_LNS_advance_line [expr [gdb_get_line_number "iii return"] - [gdb_get_line_number "hhh return"]]}
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{line [gdb_get_line_number "iii return"]}
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{DW_LNS_copy}
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{DW_LNE_set_address fff_label2}
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{DW_LNS_advance_line [expr [gdb_get_line_number "fff end"] - [gdb_get_line_number "fff return"]]}
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{line [gdb_get_line_number "fff end"]}
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{DW_LNS_copy}
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{DW_LNE_set_address $fff_end}
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{DW_LNE_end_sequence}
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{DW_LNE_set_address $jjj_start}
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{DW_LNS_advance_line [expr [gdb_get_line_number "jjj prologue"] - 1]}
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{line [gdb_get_line_number "jjj prologue"]}
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{DW_LNS_copy}
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{DW_LNE_set_address jjj_label}
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{DW_LNS_advance_line [expr [gdb_get_line_number "jjj return"] - [gdb_get_line_number "jjj prologue"]]}
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{line [gdb_get_line_number "jjj return"]}
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{DW_LNS_copy}
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{DW_LNE_set_address jjj_label2}
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{DW_LNS_advance_line [expr [gdb_get_line_number "jjj end"] - [gdb_get_line_number "jjj return"]]}
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{line [gdb_get_line_number "jjj end"]}
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{DW_LNS_copy}
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{DW_LNE_set_address $jjj_end}
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{DW_LNE_end_sequence}
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{DW_LNE_set_address $kkk_start}
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{DW_LNS_advance_line [expr [gdb_get_line_number "kkk prologue"] - 1]}
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{line [gdb_get_line_number "kkk prologue"]}
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{DW_LNS_copy}
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{DW_LNE_set_address kkk_label}
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{DW_LNS_advance_line [expr [gdb_get_line_number "kkk return"] - [gdb_get_line_number "kkk prologue"]]}
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{line [gdb_get_line_number "kkk return"]}
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{DW_LNS_copy}
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{DW_LNE_set_address $kkk_end}
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{DW_LNE_end_sequence}
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@ -95,14 +95,14 @@ Dwarf::assemble $asm_file {
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program {
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{DW_LNE_set_address line_label_1}
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{DW_LNS_advance_line [expr $f1_l1 - 1]}
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{line $f1_l1}
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{DW_LNS_copy}
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{DW_LNS_advance_line [expr ${f1_l2} - ${f1_l1}]}
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{line ${f1_l2}}
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{DW_LNS_copy}
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{DW_LNS_set_file 2}
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{DW_LNS_advance_line [expr ${f2_l1} - ${f1_l2}]}
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{line ${f2_l1}}
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{DW_LNS_copy}
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{DW_LNS_negate_stmt}
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@ -110,7 +110,7 @@ Dwarf::assemble $asm_file {
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{DW_LNS_set_file 1}
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{DW_LNE_set_address line_label_2}
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{DW_LNS_advance_line [expr ${f1_l3} - ${f2_l1}]}
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{line ${f1_l3}}
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{DW_LNS_copy}
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{DW_LNE_set_address line_label_3}
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@ -95,25 +95,25 @@ Dwarf::assemble $asm_file {
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program {
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{DW_LNE_set_address $main_start}
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{DW_LNS_advance_line [expr [gdb_get_line_number "main prologue"] - 1]}
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{line [gdb_get_line_number "main prologue"]}
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{DW_LNS_copy}
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{DW_LNE_set_address main_label}
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{DW_LNS_advance_line [expr [gdb_get_line_number "main set global_var"] - [gdb_get_line_number "main prologue"]]}
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{line [gdb_get_line_number "main set global_var"]}
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{DW_LNS_copy}
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{DW_LNE_set_address main_label2}
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{DW_LNS_advance_line [expr [gdb_get_line_number "main call foo"] - [gdb_get_line_number "main set global_var"]]}
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{line [gdb_get_line_number "main call foo"]}
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{DW_LNS_copy}
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{DW_LNE_set_address main_label2}
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{DW_LNS_advance_line [expr [gdb_get_line_number "foo call bar"] - [gdb_get_line_number "main call foo"]]}
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{line [gdb_get_line_number "foo call bar"]}
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{DW_LNS_copy}
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{DW_LNE_set_address $main_end}
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{DW_LNE_end_sequence}
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{DW_LNE_set_address $bar_start}
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{DW_LNS_advance_line [expr [gdb_get_line_number "bar prologue"] - 1]}
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{line [gdb_get_line_number "bar prologue"]}
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{DW_LNS_copy}
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{DW_LNE_set_address bar_label}
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{DW_LNS_advance_line [expr [gdb_get_line_number "bar return global_var"] - [gdb_get_line_number "bar prologue"]]}
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{line [gdb_get_line_number "bar return global_var"]}
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{DW_LNS_copy}
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{DW_LNE_set_address $bar_end}
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{DW_LNE_end_sequence}
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@ -69,20 +69,15 @@ Dwarf::assemble $asm_file {
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program {
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{DW_LNE_set_address main}
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{DW_LNS_advance_line \
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[expr [gdb_get_line_number "main prologue"] - 1]}
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{line [gdb_get_line_number "main prologue"]}
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{DW_LNS_copy}
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{DW_LNE_set_address line_label_0}
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{DW_LNS_advance_line \
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[expr [gdb_get_line_number "main start"] \
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- [gdb_get_line_number "main prologue"]]}
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{line [gdb_get_line_number "main start"]}
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{DW_LNS_copy}
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{DW_LNE_set_address line_label_1}
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{DW_LNS_advance_line \
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[expr [gdb_get_line_number "Line 1"] \
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- [gdb_get_line_number "main start"]]}
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{line [gdb_get_line_number "Line 1"]}
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{DW_LNS_negate_stmt}
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{DW_LNS_copy}
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@ -91,28 +86,20 @@ Dwarf::assemble $asm_file {
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{DW_LNS_copy}
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{DW_LNE_set_address line_label_3}
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{DW_LNS_advance_line \
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[expr [gdb_get_line_number "Line 2"] \
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- [gdb_get_line_number "Line 1"]]}
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{line [gdb_get_line_number "Line 2"]}
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{DW_LNS_negate_stmt}
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{DW_LNS_copy}
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{DW_LNE_set_address line_label_4}
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{DW_LNS_advance_line \
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[expr [gdb_get_line_number "Line 1"] \
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- [gdb_get_line_number "Line 2"]]}
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{line [gdb_get_line_number "Line 1"]}
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{DW_LNS_copy}
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{DW_LNE_set_address line_label_5}
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{DW_LNS_advance_line \
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[expr [gdb_get_line_number "Line 3"] \
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- [gdb_get_line_number "Line 1"]]}
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{line [gdb_get_line_number "Line 3"]}
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{DW_LNS_copy}
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{DW_LNE_set_address line_label_6}
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{DW_LNS_advance_line \
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[expr [gdb_get_line_number "Line 4"] \
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- [gdb_get_line_number "Line 3"]]}
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{line [gdb_get_line_number "Line 4"]}
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{DW_LNS_copy}
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{DW_LNE_set_address line_label_7}
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@ -120,9 +107,7 @@ Dwarf::assemble $asm_file {
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{DW_LNS_copy}
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{DW_LNE_set_address line_label_8}
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{DW_LNS_advance_line \
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[expr [gdb_get_line_number "Line 2"] \
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- [gdb_get_line_number "Line 4"]]}
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{line [gdb_get_line_number "Line 2"]}
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{DW_LNS_copy}
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{DW_LNE_set_address line_label_9}
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@ -130,15 +115,11 @@ Dwarf::assemble $asm_file {
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{DW_LNS_copy}
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{DW_LNE_set_address line_label_10}
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{DW_LNS_advance_line \
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[expr [gdb_get_line_number "Line 3"] \
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- [gdb_get_line_number "Line 2"]]}
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{line [gdb_get_line_number "Line 3"]}
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{DW_LNS_copy}
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{DW_LNE_set_address line_label_11}
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{DW_LNS_advance_line \
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[expr [gdb_get_line_number "Line 5"] \
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- [gdb_get_line_number "Line 3"]]}
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{line [gdb_get_line_number "Line 5"]}
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{DW_LNS_copy}
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{DW_LNE_set_address line_label_12}
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@ -146,28 +127,20 @@ Dwarf::assemble $asm_file {
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{DW_LNS_copy}
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{DW_LNE_set_address line_label_13}
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{DW_LNS_advance_line \
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[expr [gdb_get_line_number "Line 3"] \
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- [gdb_get_line_number "Line 5"]]}
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{line [gdb_get_line_number "Line 3"]}
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{DW_LNS_copy}
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{DW_LNE_set_address line_label_14}
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{DW_LNS_advance_line \
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[expr [gdb_get_line_number "Line 4"] \
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- [gdb_get_line_number "Line 3"]]}
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{line [gdb_get_line_number "Line 4"]}
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{DW_LNS_negate_stmt}
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{DW_LNS_copy}
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{DW_LNE_set_address line_label_15}
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{DW_LNS_advance_line \
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[expr [gdb_get_line_number "Line 5"] \
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- [gdb_get_line_number "Line 4"]]}
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{line [gdb_get_line_number "Line 5"]}
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{DW_LNS_copy}
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{DW_LNE_set_address line_label_16}
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{DW_LNS_advance_line \
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[expr [gdb_get_line_number "main end"] \
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- [gdb_get_line_number "Line 5"]]}
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{line [gdb_get_line_number "main end"]}
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{DW_LNS_negate_stmt}
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{DW_LNS_copy}
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@ -69,21 +69,16 @@ Dwarf::assemble $asm_file {
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program {
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{DW_LNE_set_address main}
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{DW_LNS_advance_line \
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[expr [gdb_get_line_number "main prologue"] - 1]}
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{line [gdb_get_line_number "main prologue"]}
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{DW_LNS_negate_stmt}
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{DW_LNS_copy}
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{DW_LNE_set_address line_label_1}
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{DW_LNS_advance_line \
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[expr [gdb_get_line_number "main, set var to 99"] \
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- [gdb_get_line_number "main prologue"]]}
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{line [gdb_get_line_number "main, set var to 99"]}
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{DW_LNS_copy}
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{DW_LNE_set_address line_label_2}
|
||||
{DW_LNS_advance_line \
|
||||
[expr [gdb_get_line_number "main, set var to 0"] \
|
||||
- [gdb_get_line_number "main, set var to 99"]]}
|
||||
{line [gdb_get_line_number "main, set var to 0"]}
|
||||
{DW_LNS_negate_stmt}
|
||||
{DW_LNS_copy}
|
||||
|
||||
@ -96,9 +91,7 @@ Dwarf::assemble $asm_file {
|
||||
{DW_LNS_copy}
|
||||
|
||||
{DW_LNE_set_address line_label_5}
|
||||
{DW_LNS_advance_line \
|
||||
[expr [gdb_get_line_number "main end"] \
|
||||
- [gdb_get_line_number "main, set var to 0"]]}
|
||||
{line [gdb_get_line_number "main end"]}
|
||||
{DW_LNS_negate_stmt}
|
||||
{DW_LNS_copy}
|
||||
|
||||
|
||||
@ -134,30 +134,30 @@ proc do_test {suffix} {
|
||||
# reasonably accurate as it made debugging the test case easier.
|
||||
program {
|
||||
{DW_LNE_set_address $main_start}
|
||||
{DW_LNS_advance_line [expr [gdb_get_line_number "main prologue"] - 1]}
|
||||
{line [gdb_get_line_number "main prologue"]}
|
||||
{DW_LNS_copy}
|
||||
{DW_LNE_set_address main_label}
|
||||
{DW_LNS_advance_line [expr [gdb_get_line_number "main foo call"] - [gdb_get_line_number "main prologue"]]}
|
||||
{line [gdb_get_line_number "main foo call"]}
|
||||
{DW_LNS_copy}
|
||||
{DW_LNE_set_address main_label2}
|
||||
{DW_LNS_advance_line [expr [gdb_get_line_number "main return"] - [gdb_get_line_number "main foo call"]]}
|
||||
{line [gdb_get_line_number "main return"]}
|
||||
{DW_LNS_copy}
|
||||
{DW_LNE_set_address $main_end}
|
||||
{DW_LNS_advance_line [expr [gdb_get_line_number "main end"] - [gdb_get_line_number "main return"] + 1]}
|
||||
{line [expr [gdb_get_line_number "main end"] + 1]}
|
||||
{DW_LNS_copy}
|
||||
{DW_LNE_end_sequence}
|
||||
|
||||
{DW_LNE_set_address $foo_start}
|
||||
{DW_LNS_advance_line [expr [gdb_get_line_number "foo prologue"] - 1] }
|
||||
{line [gdb_get_line_number "foo prologue"]}
|
||||
{DW_LNS_copy}
|
||||
{DW_LNE_set_address foo_label}
|
||||
{DW_LNS_advance_line [expr [gdb_get_line_number "foo bar call"] - [gdb_get_line_number "foo prologue"]]}
|
||||
{line [gdb_get_line_number "foo bar call"]}
|
||||
{DW_LNS_copy}
|
||||
{DW_LNE_set_address foo_label2}
|
||||
{DW_LNS_advance_line [expr [gdb_get_line_number "foo foo_cold call"] - [gdb_get_line_number "foo bar call"]]}
|
||||
{line [gdb_get_line_number "foo foo_cold call"]}
|
||||
{DW_LNS_copy}
|
||||
{DW_LNE_set_address foo_label3}
|
||||
{DW_LNS_advance_line [expr [gdb_get_line_number "foo end"] - [gdb_get_line_number "foo foo_cold call"]]}
|
||||
{line [gdb_get_line_number "foo end"]}
|
||||
{DW_LNS_copy}
|
||||
{DW_LNE_set_address $foo_end}
|
||||
{DW_LNS_advance_line 1}
|
||||
@ -165,7 +165,7 @@ proc do_test {suffix} {
|
||||
{DW_LNE_end_sequence}
|
||||
|
||||
{DW_LNE_set_address $bar_start}
|
||||
{DW_LNS_advance_line [expr [gdb_get_line_number "bar end"] - 1]}
|
||||
{line [gdb_get_line_number "bar end"]}
|
||||
{DW_LNS_copy}
|
||||
{DW_LNS_advance_pc $bar_len}
|
||||
{DW_LNS_advance_line 1}
|
||||
@ -173,7 +173,7 @@ proc do_test {suffix} {
|
||||
{DW_LNE_end_sequence}
|
||||
|
||||
{DW_LNE_set_address $baz_start}
|
||||
{DW_LNS_advance_line [expr [gdb_get_line_number "baz end"] - 1]}
|
||||
{line [gdb_get_line_number "baz end"]}
|
||||
{DW_LNS_copy}
|
||||
{DW_LNS_advance_pc $baz_len}
|
||||
{DW_LNS_advance_line 1}
|
||||
@ -181,13 +181,13 @@ proc do_test {suffix} {
|
||||
{DW_LNE_end_sequence}
|
||||
|
||||
{DW_LNE_set_address $foo_cold_start}
|
||||
{DW_LNS_advance_line [expr [gdb_get_line_number "foo_cold prologue"] - 1]}
|
||||
{line [gdb_get_line_number "foo_cold prologue"]}
|
||||
{DW_LNS_copy}
|
||||
{DW_LNE_set_address foo_cold_label}
|
||||
{DW_LNS_advance_line [expr [gdb_get_line_number "foo_cold baz call"] - [gdb_get_line_number "foo_cold prologue"]]}
|
||||
{line [gdb_get_line_number "foo_cold baz call"]}
|
||||
{DW_LNS_copy}
|
||||
{DW_LNE_set_address foo_cold_label2}
|
||||
{DW_LNS_advance_line [expr [gdb_get_line_number "foo_cold end"] - [gdb_get_line_number "foo_cold baz call"]]}
|
||||
{line [gdb_get_line_number "foo_cold end"]}
|
||||
{DW_LNS_copy}
|
||||
{DW_LNE_set_address $foo_cold_end}
|
||||
{DW_LNS_advance_line 1}
|
||||
|
||||
@ -1423,6 +1423,9 @@ namespace eval Dwarf {
|
||||
proc program {statements} {
|
||||
variable _line_saw_program
|
||||
variable _line_header_end_label
|
||||
variable _line
|
||||
|
||||
set _line 1
|
||||
|
||||
if "! $_line_saw_program" {
|
||||
# Terminate the file list.
|
||||
@ -1447,9 +1450,11 @@ namespace eval Dwarf {
|
||||
}
|
||||
|
||||
proc DW_LNE_end_sequence {} {
|
||||
variable _line
|
||||
_op .byte 0
|
||||
_op .uleb128 1
|
||||
_op .byte 1
|
||||
set _line 1
|
||||
}
|
||||
|
||||
proc DW_LNS_copy {} {
|
||||
@ -1466,8 +1471,25 @@ namespace eval Dwarf {
|
||||
}
|
||||
|
||||
proc DW_LNS_advance_line {offset} {
|
||||
variable _line
|
||||
_op .byte 3
|
||||
_op .sleb128 ${offset}
|
||||
set _line [expr $_line + $offset]
|
||||
}
|
||||
|
||||
# A pseudo line number program instruction, that can be used instead
|
||||
# of DW_LNS_advance_line. Rather than writing:
|
||||
# {DW_LNS_advance_line [expr $line1 - 1]}
|
||||
# {DW_LNS_advance_line [expr $line2 - $line1]}
|
||||
# {DW_LNS_advance_line [expr $line3 - $line2]}
|
||||
# we can just write:
|
||||
# {line $line1}
|
||||
# {line $line2}
|
||||
# {line $line3}
|
||||
proc line {line} {
|
||||
variable _line
|
||||
set offset [expr $line - $_line]
|
||||
DW_LNS_advance_line $offset
|
||||
}
|
||||
|
||||
proc DW_LNS_set_file {num} {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user