b39cc96258
* arm-tdep.c (arm_frame_is_thumb): New. (arm_pc_is_thumb): Clarify comment. (thumb_analyze_prologue): Remove PC special case. (thumb_scan_prologue): Take a block_addr argument. Use it for find_pc_partial_function. Remove unused variables. (arm_scan_prologue): Use arm_frame_is_thumb. Use the block address for find_pc_partial_function. Remove PC special case. (arm_prologue_prev_register): Add special handling for PC and CPSR. (arm_dwarf2_prev_register, arm_dwarf2_frame_init_reg): New. (arm_get_next_pc): Use arm_frame_is_thumb. (arm_write_pc): Use CPSR_T instead of 0x20. (arm_gdbarch_init): Call dwarf2_frame_set_init_reg. * arm-tdep.h (enum gdb_regnum): Add ARM_CPSR_REGNUM. (CPSR_T): Define. * dwarf2-frame.c (dwarf2_frame_prev_register): Handle DWARF2_FRAME_REG_FN. * dwarf2-frame.h (enum dwarf2_frame_reg_rule): Add DWARF2_FRAME_REG_FN. (struct dwarf2_frame_state_reg): Add FN to loc union. * gdb.arch/thumb-prologue.exp: Do not expect a saved PC.
61 lines
1.8 KiB
Text
61 lines
1.8 KiB
Text
# Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Test ARM/Thumb prologue analyzer.
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if {![istarget arm*-*]} then {
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verbose "Skipping ARM prologue tests."
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return
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}
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set testfile "thumb-prologue"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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# Don't use "debug", so that we don't have line information for the assembly
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# fragments.
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {"additional_flags=-mthumb"}] != "" } {
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untested "ARM prologue tests"
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return -1
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}
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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#
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# Run to `main' where we begin our tests.
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#
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if ![runto_main] then {
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untested "ARM prologue tests"
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return -1
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}
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# Testcase for TPCS prologue.
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gdb_breakpoint "* *(int *)tpcs_offset + (int) &tpcs_frame_1"
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gdb_test "continue" "Breakpoint .*, $hex in tpcs_frame_1 \\(\\)" \
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"continue to TPCS"
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gdb_test "backtrace 10" \
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"#0\[ \t\]*$hex in tpcs_frame_1 .*\r\n#1\[ \t\]*$hex in tpcs_frame .*\r\n#2\[ \t\]*$hex in main.*" \
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"backtrace in TPCS"
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gdb_test "info frame" \
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".*Saved registers:.*r7 at.*r10 at.*r11 at.*lr at.*" \
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"saved registers in TPCS"
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