test/tools/llvm-dwarfdump/X86/debug_line_invalid.test

# Test the different error cases in the debug line parsing and how they prevent
# or don't prevent further dumping of section contents.

# RUN: llvm-mc -triple x86_64-pc-linux %S/Inputs/debug_line_reserved_length.s -filetype=obj -o %t-reserved.o
# RUN: llvm-dwarfdump -debug-line %t-reserved.o 2> %t-reserved.err | FileCheck %s --check-prefixes=FIRST,FATAL
# RUN: FileCheck %s --input-file=%t-reserved.err --check-prefix=RESERVED
# RUN: llvm-dwarfdump -debug-line %t-reserved.o -verbose 2> %t-reserved-verbose.err | FileCheck %s --check-prefixes=FIRST,FATAL
# RUN: FileCheck %s --input-file=%t-reserved-verbose.err --check-prefix=RESERVED

# We should still produce warnings for malformed tables after the specified unit.
# RUN: llvm-dwarfdump -debug-line=0 %t-reserved.o 2> %t-reserved-off-first.err | FileCheck %s --check-prefixes=FIRST,NOLATER
# RUN: FileCheck %s --input-file=%t-reserved-off-first.err --check-prefix=RESERVED

# Stop looking for the specified unit, if a fatally-bad prologue is detected.
# RUN: llvm-dwarfdump -debug-line=0x4b %t-reserved.o 2> %t-reserved-off-last.err | FileCheck %s --check-prefixes=NOFIRST,NOLATER
# RUN: FileCheck %s --input-file=%t-reserved-off-last.err --check-prefix=RESERVED

# RUN: llvm-mc -triple x86_64-pc-linux %S/Inputs/debug_line_malformed.s -filetype=obj -o %t-malformed.o
# RUN: llvm-dwarfdump -debug-line %t-malformed.o 2> %t-malformed.err | FileCheck %s --check-prefixes=FIRST,NONFATAL
# RUN: FileCheck %s --input-file=%t-malformed.err --check-prefixes=ALL,OTHER
# RUN: llvm-dwarfdump -debug-line %t-malformed.o -verbose 2> %t-malformed-verbose.err | FileCheck %s --check-prefixes=FIRST,NONFATAL
# RUN: FileCheck %s --input-file=%t-malformed-verbose.err --check-prefixes=ALL,OTHER

# RUN: llvm-dwarfdump -debug-line=0 %t-malformed.o 2> %t-malformed-off-first.err | FileCheck %s --check-prefixes=FIRST,NOLATER
# RUN: FileCheck %s --input-file=%t-malformed-off-first.err --check-prefix=ALL

# Don't stop looking for the later unit if non-fatal issues are found.
# RUN: llvm-dwarfdump -debug-line=0x183 %t-malformed.o 2> %t-malformed-off-last.err | FileCheck %s --check-prefixes=LASTONLY
# RUN: FileCheck %s --input-file=%t-malformed-off-last.err --check-prefix=ALL

# FIRST: debug_line[0x00000000]
# FIRST: 0x000000000badbeef {{.*}} end_sequence
# NOFIRST-NOT: debug_line[0x00000000]
# NOFIRST-NOT: 0x000000000badbeef {{.*}} end_sequence
# NOLATER-NOT: debug_line[{{.*}}]
# NOLATER-NOT: end_sequence

# For fatal issues, the following table(s) should not be dumped.
# FATAL: debug_line[0x00000048]
# FATAL-NEXT: Line table prologue
# FATAL-NEXT: total_length: 0xfffffffe
# FATAL-NOT: debug_line

# For non-fatal prologue issues, the table prologue should be dumped, and any subsequent tables should also be.
# NONFATAL: debug_line[0x00000048]
# NONFATAL-NEXT: Line table prologue
# NONFATAL-NOT: Address
# NONFATAL: debug_line[0x0000004e]
# NONFATAL-NEXT: Line table prologue
# NONFATAL-NOT: Address
# NONFATAL: debug_line[0x00000054]
# NONFATAL-NEXT: Line table prologue
# NONFATAL-NOT: Address
# NONFATAL: debug_line[0x00000073]
# NONFATAL-NEXT: Line table prologue
# NONFATAL-NOT: Address
# NONFATAL: debug_line[0x000000ad]
# NONFATAL-NEXT: Line table prologue
# NONFATAL-NOT: Address
# NONFATAL: debug_line[0x000000e7]
# Dumping prints the line table prologue and any valid operations up to the point causing the problem.
# NONFATAL-NEXT: Line table prologue
# NONFATAL: 0x00000000abbadaba {{.*}} end_sequence
# NONFATAL-NOT: is_stmt

# For minor issues, we can dump the table.
# NONFATAL: debug_line[0x0000013d]
# NONFATAL-NEXT: Line table prologue
# NONFATAL-NOT: debug_line[{{.*}}]
# NONFATAL: 0x00000000deadfade {{.*}}
# NONFATAL: debug_line[0x00000183]
# NONFATAL-NOT: debug_line[{{.*}}]
# NONFATAL: 0x00000000cafebabe {{.*}} end_sequence
# NONFATAL-NOT: debug_line[{{.*}}]

# LASTONLY-NOT: debug_line[{{.*}}]
# LASTONLY: debug_line[0x00000183]
# LASTONLY: 0x00000000cafebabe {{.*}} end_sequence

# RESERVED: warning: parsing line table prologue at offset 0x00000048 unsupported reserved unit length found of value 0xfffffffe

# ALL-NOT:  warning:
# ALL:      warning: parsing line table prologue at offset 0x00000048 found unsupported version 0x00
# ALL-NEXT: warning: parsing line table prologue at offset 0x0000004e found unsupported version 0x01
# ALL-NEXT: warning: parsing line table prologue at 0x00000054 found an invalid directory or file table description at 0x00000073
# FIXME - The latter offset in the next line should be 0xad. The filename parsing code does not notice a missing terminating byte.
# ALL-NEXT: warning: parsing line table prologue at 0x00000073 should have ended at 0x000000ab but it ended at 0x000000ac
# ALL-NEXT: warning: parsing line table prologue at 0x000000ad should have ended at 0x000000e8 but it ended at 0x000000e7
# OTHER-NEXT: warning: unexpected line op length at offset 0x0000012e expected 0x02 found 0x01
# OTHER-NEXT: warning: last sequence in debug line table is not terminated!
# ALL-NOT:  warning: