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| author | Daniel Jacobowitz <dan@debian.org> | 2010-02-01 16:16:26 +0000 |
|---|---|---|
| committer | Daniel Jacobowitz <dan@debian.org> | 2010-02-01 16:16:26 +0000 |
| commit | 7f3f596fcee5e48061e248513e18096ca653620b (patch) | |
| tree | 4487077a3978dcbbbaa431aa3a50cb1b59e8ce64 /gdb/testsuite/gdb.arch | |
| parent | f8893c711c4ee381385d983175cacb786f64774b (diff) | |
| download | gdb-7f3f596fcee5e48061e248513e18096ca653620b.tar.gz | |
* arm-tdep.c (arm_find_mapping_symbol): New function, from
arm_pc_is_thumb.
(arm_pc_is_thumb): Use arm_find_mapping_symbol.
(extend_buffer_earlier): New function.
(MAX_IT_BLOCK_PREFIX, IT_SCAN_THRESHOLD): New constants.
(arm_adjust_breakpoint_address): New function.
(arm_gdbarch_init): Register arm_adjust_breakpoint_address.
testsuite/
* gdb.arch/thumb2-it.S (it_breakpoints): New function.
* gdb.arch/thumb2-it.exp (test_it_break): New function.
(Top level): Call it.
Diffstat (limited to 'gdb/testsuite/gdb.arch')
| -rw-r--r-- | gdb/testsuite/gdb.arch/thumb2-it.S | 43 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.arch/thumb2-it.exp | 17 |
2 files changed, 60 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.arch/thumb2-it.S b/gdb/testsuite/gdb.arch/thumb2-it.S index a5aab8cb1be..700c92ad73d 100644 --- a/gdb/testsuite/gdb.arch/thumb2-it.S +++ b/gdb/testsuite/gdb.arch/thumb2-it.S @@ -136,4 +136,47 @@ it_8: addlt r0, #8 @ Not reached bx lr @ Done, Check $r0 == 1 + .type it_breakpoints,%function + .thumb_func +it_breakpoints: + mov r0, #0 + cmp r0, #0 + it eq @ Location 1 @ Break 1 + moveq r0, #0 + + it eq @ Location 2 + moveq r0, #0 @ Break 2 + + it ne @ Location 3 + movne r0, #0 @ Break 3 + + @ An IT block of maximum size. + itttt eq @ Location 4 + moveq.w r0, #0 + moveq.w r0, #0 + moveq.w r0, #0 + moveq.w r0, #0 @ Break 4 + + @ Just outside an IT block. + it eq + moveq r0, #0 + mov r0, #0 @ Location 5 @ Break 5 + + @ After something that looks like an IT block, but + @ is the second half of an instruction. + .p2align 6 + cmp r0, r0 + b 1f + b.w .+0xe14 @ 0xf000 0xbf08 -> second half is IT EQ +1: mov r0, #0 @ Location 6 @ Break 6 + + @ After something that looks like an IT block, but + @ is data. + .p2align 6 + b 1f + .short 0xbf08 +1: mov r0, #0 @ Location 7 @ Break 7 + + bx lr + #endif /* __thumb2__ */ diff --git a/gdb/testsuite/gdb.arch/thumb2-it.exp b/gdb/testsuite/gdb.arch/thumb2-it.exp index 5ef8475fde2..5144ac16f2a 100644 --- a/gdb/testsuite/gdb.arch/thumb2-it.exp +++ b/gdb/testsuite/gdb.arch/thumb2-it.exp @@ -125,6 +125,17 @@ proc test_it_block { func } { return } +proc test_it_break { ndx } { + set line [gdb_get_line_number "@ Break ${ndx}"] + + if { ! [gdb_breakpoint "${line}"] } { + unresolved "continue to breakpoint: test ${ndx}" + return + } + + gdb_continue_to_breakpoint "test ${ndx}" ".*@ Location ${ndx}.*" +} + # If we are using software single-stepping in GDB, then GDB will not # stop at conditional instructions with a false predicate during stepi. # If we are using a simulator or debug interface with hardware single @@ -138,3 +149,9 @@ if { [istarget arm*-linux*] } { for { set i 1 } { $i <= 8 } { incr i } { test_it_block it_${i} } + +gdb_breakpoint "*it_breakpoints" +gdb_test "call it_breakpoints()" "Breakpoint.*" +for { set i 1 } { $i <= 7 } { incr i } { + test_it_break ${i} +} |