Prologue error 2 45 61 54

prologue error 2 45 61 54

Davis, The Chinese, 2: 185. 54. Davis, Chinese Miscellanies, 93. zaju sanshizhong, 45–61; Xu, Xinjiao Yuankan zaju sanshizhong, 27–56;. If variable arguments are used, extra instructions store the argument registers on the stack. If the compiler designates the function as a leaf function, the. I found my error. I was reading in the folder the file was in and not the file itself. Apparently if you read in a folder as a file and call. prologue error 2 45 61 54

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Perfect Audiobook Billions Billions by Carl Sagan m_length == 8); + m_opcode = OTHER; + } } /* The prologue scanner. This is currently only used for skipping the diff --git a/gdb/testsuite/gdb.arch/riscv-unwind-long-insn-6.s b/gdb/testsuite/gdb.arch/riscv-unwind-long-insn-6.s new file mode 100644 index 0000000000.b21b1e10f3 --- /dev/null +++ b/gdb/testsuite/gdb.arch/riscv-unwind-long-insn-6.s @@ -0,0 +1,45 @@ +/* Copyright 2019 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + + .option nopic + .text + + .align 1 + .globl bar + .type bar, @function +bar: prologue error 2 45 61 54 tail 1f + .size bar. -func + + .align 1 + .globl func + .type func, @function +func: + /* A fake 6 byte instruction. This is never executed, but the + prologue scanner will try to decode it. These long + instructions are ISA extensions, I use .byte rather than an + actual instruction mnemonic so that the test can be compiled + with a toolchain that doesn't include any long instruction + extensions. */ + .byte 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00 +1: + addi sp,sp,-16 + sw s0,12(sp) + addi s0,sp,16 + nop + lw s0,12(sp) + addi sp,sp,16 + jr ra + .size func. -func diff --git a/gdb/testsuite/gdb.arch/riscv-unwind-long-insn-8.s b/gdb/testsuite/gdb.arch/riscv-unwind-long-insn-8.s new file mode 100644 index 0000000000.3fad07b59d --- /dev/null +++ b/gdb/testsuite/gdb.arch/riscv-unwind-long-insn-8.s @@ -0,0 +1,45 @@ +/* Copyright 2019 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + prologue error 2 45 61 54 You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + + .option nopic + .text + + .align 1 + .globl bar + .type bar, @function +bar: + tail 1f + .size bar. -func + + .align 1 + .globl func + .type func, @function +func: + /* A fake 8 byte instruction. This is never executed, but the + prologue scanner will try to decode it. These long + instructions are ISA extensions, I use .byte rather than an + actual instruction mnemonic so that the test can be compiled + with a toolchain that doesn't include any long instruction + extensions. */ + .byte 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 +1: + addi sp,sp,-16 + sw s0,12(sp) + addi s0,sp,16 + nop + lw s0,12(sp) + addi sp,sp,16 + jr ra + .size func. -func diff --git a/gdb/testsuite/gdb.arch/riscv-unwind-long-insn.c b/gdb/testsuite/gdb.arch/riscv-unwind-long-insn.c new file mode 100644 index 0000000000.d601e2d3d8 --- prologue error 2 45 61 54 +++ b/gdb/testsuite/gdb.arch/riscv-unwind-long-insn.c @@ -0,0 +1,25 @@ +/* Copyright 2019 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it error in tmp sideload package.zip status 0 the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +extern void func (void); +extern void bar (void); + +int +main () +{ + bar (); + func (); + return 0; +} diff --git a/gdb/testsuite/gdb.arch/riscv-unwind-long-insn.exp b/gdb/testsuite/gdb.arch/riscv-unwind-long-insn.exp new file mode 100644 index 0000000000.ddb914295c --- /dev/null +++ b/gdb/testsuite/gdb.arch/riscv-unwind-long-insn.exp @@ -0,0 +1,61 @@ +# Copyright 2019 Free Software Foundation, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +# This tests GDB's ability to handle 6 and 8 byte instructions in the +# RISC-V prologue scanner. These instruction should be ignored, but +# should not result in an error that interrupts the debug session. +# +# Each of the files riscv-unwind-long-insn-*.s include a function +# (func) that contains a fake long instruction (6 or 8 bytes) in the +# prologue. We trick GDB into parsing the fake instruction by tail +# calling from a different function, 'bar' to the middle of 'func'. + +if {![istarget "riscv*-*-*"]} { + prologue error 2 45 61 54 verbose "Skipping ${gdb_test_file_name}." + return +} + +foreach_with_prefix {insn_size} {6 8} { + standard_testfile riscv-unwind-long-insn.c \ + riscv-unwind-long-insn-${insn_size}.s + + set testfile "${testfile}-${insn_size}" + if {[prepare_for_testing "failed to prepare" $testfile \ + "$srcfile $srcfile2" debug]} { + return -1 + } + + if ![runto_main] then { + fail "can't run to main" + return 0 + } + + gdb_breakpoint "bar" + gdb_continue_to_breakpoint "bar" + + # This next single instruction step takes us through a tail-call + # from 'bar' into 'func'. + gdb_test "si" "func \(\).*" + + # Now check that we have a sane backtrace. + gdb_test "bt" \ + [multi_line \ + "#0\[ \t\]*func \\\(\\\) at .*$srcfile2:\[0-9\]+" \ + "#1\[ \t\]*$hex in main \\\(\\\) at .*$srcfile:\[0-9\]+"] \ + "Backtrace to the main frame" + + # Finally finish, and we should end up back in main. + gdb_test "finish" "main \\\(\\\) at .*$srcfile:.*" +}

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