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* ctf.c (ctf_fetch_registers): Change the type of 'regs' from
'char *' to 'gdb_byte *'. Cast the return value of
'bt_ctf_get_char_array' to 'gdb_byte *'.
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"signedness" is more typical.
gdb/doc/
2013-04-19 Pedro Alves <palves@redhat.com>
* gdbint.texinfo (Misc Guidelines) <Compiler Warnings>: Write
"signedness" instead of "signness".
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This enables -Wpointer-sign by default.
I've checked that --enable-targets=all builds fine with the following
as --host, on x86_64 Fedora 17 --build:
x86_64 GNU/Linux
i386 GNU/Linux
i386 MinGW-w64
i386 msdos/djgpp
OK?
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* configure.ac (build_warnings): Replace -Wno-pointer-sign with
-Wpointer-sign.
* configure: Regenerate.
gdb/doc
2013-04-19 Pedro Alves <palves@redhat.com>
* gdbint.texinfo (Misc Guidelines) <Compiler Warnings>: Replace
-Wno-pointer-sign text with text on -Wpointer-sign.
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* ppc-instructions (isel): New instruction.
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This is the remaining issue impeding GDB to build with "-Wpointer-sign
-Werror" with Fedora 17's i686-w64-mingw32 cross toolchain.
../../src/gdb/ser-tcp.c: In function 'net_read_prim':
../../src/gdb/ser-tcp.c:341:3: error: pointer targets in passing argument 2 of 'recv' differ in signedness [-Werror=pointer-sign]
In file included from ../../src/gdb/serial.h:23:0,
from ../../src/gdb/ser-tcp.c:21:
/usr/i686-w64-mingw32/sys-root/mingw/include/winsock2.h:983:34: note: expected 'char *' but argument is of type 'unsigned char *'
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* ser-tcp.c (net_read_prim): Cast second argument to recv to
'void *'.
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This fixes -Wpointer-sign issues in monitor.c.
Tested by building on x86_64 Fedora 17 w/ --enable-targets=all.
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* monitor.c (monitor_write_memory, monitor_write_memory_bytes):
Change type of 'myaddr' parameter to gdb_byte pointer.
(monitor_write_memory_longlongs): Likewise. Cast 'myaddr' pointer
to 'long long' pointer instead of to 'unsigned long long'.
(monitor_write_memory_block, monitor_read_memory_single)
(monitor_read_memory): Change type of 'myaddr' parameter to
gdb_byte pointer.
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../../src/gdb/record.c: In function ‘set_record_insn_history_size’:
../../src/gdb/record.c:670:5: error: pointer targets in passing argument 2 of ‘validate_history_size’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/record.c:646:1: note: expected ‘int *’ but argument is of type ‘unsigned int *’
../../src/gdb/record.c: In function ‘set_record_call_history_size’:
../../src/gdb/record.c:682:5: error: pointer targets in passing argument 2 of ‘validate_history_size’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/record.c:646:1: note: expected ‘int *’ but argument is of type ‘unsigned int *’
This fixes it in the obvious way.
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* record.c (validate_history_size): Make parameter 'setting'
unsigned.
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ctf_save_write's second parameter is gdb_byte *, and all these
arguments are 'char *'. Since this function is ultimately just
writing host bytes to a local file with fwrite, an alternative would
be to change ctf_save_write to take a 'void *' instead of 'gdb_byte
*', thus removing the need for any cast (we have more calls with casts
than without).
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* ctf.c (ctf_write_uploaded_tsv, ctf_write_uploaded_tp): Add casts
to 'gdb_byte *'.
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Fix:
../../src/gdb/cp-valprint.c: In function ‘cp_print_class_member’:
../../src/gdb/cp-valprint.c:793:3: error: pointer targets in passing argument 2 of ‘cp_find_class_member’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/cp-valprint.c:721:1: note: expected ‘int *’ but argument is of type ‘unsigned int *’
'fieldno' is used throughout as 'int', so just follow the trend.
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* cp-valprint.c (cp_print_class_member): Change type of 'fieldno'
local to int.
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We're reading strings using the target memory access routines, which
work with raw bytes, so we need a couple casts.
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* ada-lang.c (print_it_exception): Add cast to gdb_byte *.
* ada-tasks.c (read_fat_string_value): Likewise.
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The 'bytes_read' change should be obvious. As for the other hunk,
we're passing the address of the signed 'offset' to safe_read_uleb128,
which expects unsigned. Fix it by passing the address of the unsigned
'utmp' instead, like already done on other spots in the file.
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* dwarf2-frame.c (execute_cfa_program): Make 'bytes_read' local
unsigned. Pass 'tmp' to safe_read_uleb128 instead of the signed
'offset', and adjust.
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This fixes the remaining issues necessary to make the DWARF reader
-Wpointer-sign clean. The 'filename' bit should be obvious.
'constant_pool' holds the contents of an obstack, which are 'char *'.
gdb_byte would work too, but it'd need more casts elsewhere, so I just
chose the minimal approach. Any way would be fine with me.
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* dwarf2read.c (dwarf2_get_dwz_file): Add cast to const char *.
(read_index_from_section): Add cast to 'char *'.
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../../src/gdb/xcoffread.c: In function ‘xcoff_initial_scan’:
../../src/gdb/xcoffread.c:2982:17: error: pointer targets in assignment differ in signedness [-Werror=pointer-sign]
'debugsec' is a 'bfd_byte *', holding the result of a
bfd_get_full_section_contents. 'info->debugsec' holds the same
contents throughout the whole xcoff read, and everywhere it's used to
read symbol names. Simply adding a cast feels appropriate.
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* xcoffread.c (xcoff_initial_scan): Add cast to 'char *'.
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A couple places take a pointer to the middle of some raw section
buffer and treat them as strings. Add casts to char * as appropriate,
fixing -Wpointer-sign warnings.
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* coff-pe-read.c (read_pe_exported_syms): Handle strings as char.
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Bookmarks are opaque to the core code -- by design, the target is free
to use any sort of blob as bookmark identifier.
The record target chooses to use strings for bookmarks. This adds
casts following that direction, fixing -Wpointer-sign warnings.
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* record-full.c (record_full_get_bookmark): Change local 'ret'
type to char * and add cast to gdb_byte *.
(record_full_goto_bookmark): Handle 'bookmark' argument as a
string.
* reverse.c (goto_bookmark_command): Add casts to gdb_byte *.
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This fixes -Wpointer-sign warnings in the python/ code in the manner
that seems most appropriate to me.
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* python/py-inferior.c (infpy_write_memory): Add cast to gdb_byte
* python/py-prettyprint.c (print_string_repr): Change type of
'output' local to char *. Add cast to gdb_byte * in
LA_PRINT_STRING call.
(print_children): Change type of 'output' local to char *.
* python/py-value.c (valpy_string): Add cast to const char * in
PyUnicode_Decode call.
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remote-mips.c has a bunch of -Wpointer-sign warnings:
../../src/gdb/remote-mips.c: In function ‘mips_receive_packet’:
../../src/gdb/remote-mips.c:1128:7: error: pointer targets in passing argument 2 of ‘mips_cksum’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/remote-mips.c:830:1: note: expected ‘const unsigned char *’ but argument is of type ‘char *’
../../src/gdb/remote-mips.c:1135:7: error: pointer targets in passing argument 2 of ‘mips_cksum’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/remote-mips.c:830:1: note: expected ‘const unsigned char *’ but argument is of type ‘char *’
../../src/gdb/remote-mips.c: In function ‘mips_load_srec’:
../../src/gdb/remote-mips.c:2830:12: error: pointer targets in passing argument 4 of ‘mips_make_srec’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/remote-mips.c:134:12: note: expected ‘unsigned char *’ but argument is of type ‘char *’
../../src/gdb/remote-mips.c: In function ‘pmon_zeroset’:
../../src/gdb/remote-mips.c:3030:3: error: pointer targets in passing argument 4 of ‘pmon_makeb64’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/remote-mips.c:2977:1: note: expected ‘int *’ but argument is of type ‘unsigned int *’
../../src/gdb/remote-mips.c: In function ‘pmon_make_fastrec’:
../../src/gdb/remote-mips.c:3124:6: error: pointer targets in passing argument 3 of ‘pmon_zeroset’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/remote-mips.c:3025:1: note: expected ‘int *’ but argument is of type ‘unsigned int *’
../../src/gdb/remote-mips.c:3126:4: error: pointer targets in passing argument 4 of ‘pmon_makeb64’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/remote-mips.c:2977:1: note: expected ‘int *’ but argument is of type ‘unsigned int *’
../../src/gdb/remote-mips.c:3148:3: error: pointer targets in passing argument 3 of ‘pmon_zeroset’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/remote-mips.c:3025:1: note: expected ‘int *’ but argument is of type ‘unsigned int *’
../../src/gdb/remote-mips.c:3153:3: error: pointer targets in passing argument 3 of ‘pmon_zeroset’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/remote-mips.c:3025:1: note: expected ‘int *’ but argument is of type ‘unsigned int *’
../../src/gdb/remote-mips.c:3154:8: error: pointer targets in passing argument 4 of ‘pmon_makeb64’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/remote-mips.c:2977:1: note: expected ‘int *’ but argument is of type ‘unsigned int *’
../../src/gdb/remote-mips.c: In function ‘pmon_load_fast’:
../../src/gdb/remote-mips.c:3423:2: error: pointer targets in passing argument 4 of ‘pmon_makeb64’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/remote-mips.c:2977:1: note: expected ‘int *’ but argument is of type ‘unsigned int *’
../../src/gdb/remote-mips.c:3457:4: error: pointer targets in passing argument 3 of ‘pmon_checkset’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/remote-mips.c:3051:1: note: expected ‘int *’ but argument is of type ‘unsigned int *’
../../src/gdb/remote-mips.c:3484:8: error: pointer targets in passing argument 3 of ‘pmon_zeroset’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/remote-mips.c:3025:1: note: expected ‘int *’ but argument is of type ‘unsigned int *’
../../src/gdb/remote-mips.c:3489:3: error: pointer targets in passing argument 3 of ‘pmon_checkset’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/remote-mips.c:3051:1: note: expected ‘int *’ but argument is of type ‘unsigned int *’
The mips packet payload is ASCII, so it makes sense for
mips_send_packet and mips_receive_packet to expose 'char *'-based
interfaces, as currently they do. But, mips packets have a binary
header, so if you look at e.g., mips_receive_packet's implementation,
you'll see "unsigned char" buffers in use. I find it the most natural
to make the payload pointer passed to mips_cksum 'char *' too.
The other changes are straightforward adjustments -- a checksum is
naturally unsigned, and there's one point where we're reading a bfd section.
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* remote-mips.c (mips_cksum): Rename 'data' parameter to 'datastr'
and change its type to 'const char *'. Adjust.
(mips_send_packet): Add cast to 'char *', and remove cast to
'unsigned char *'.
(mips_receive_packet): Remove cast to 'unsigned char *'.
(mips_load_srec): Use bfd_byte.
(pmon_makeb64, pmon_zeroset): Make 'chksum' parameter unsigned.
(pmon_checkset): Make 'value' parameter unsigned.
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Similarly to the remote code, agent commands are mostly ascii. Cast to
gdb_byte when treating the command buffer as raw memory bytes.
2013-04-19 Pedro Alves <palves@redhat.com>
* common/agent.c (agent_run_command): Add cast to gdb_byte *.
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While the RSP is largely ASCII based (hence the packet buffer type is
char *), at places we pass around 8-bit binary packets in that buffer.
Functions like hex2bin or remote_escape_output conceptually are
handling binary buffers, so I left them as working with gdb_byte, and
added casts where necessary. Whether these are host bytes or target
bytes is blurry at present, so this is largely a matter of taste.
Switching some of these functions to take "char *" or "void *" would
be equally good.
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* remote.c (remote_write_bytes_aux, compare_sections_command)
(remote_read_qxfer)
(remote_search_memory, remote_hostio_pwrite, remote_hostio_pread)
(remote_hostio_readlink, remote_bfd_iovec_pread)
(remote_set_trace_notes): Use gdb_byte when RSP buffer is used as
binary buffer, and char when buffer is used as string.
* tracepoint.c (encode_source_string, tfile_write_uploaded_tp)
(trace_save, tfile_open, traceframe_walk_blocks)
(tfile_fetch_registers): Likewise.
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While remote.c works with "char *" buffers most of the time, other
remote targets have binary-ish-er protocols, and choose to use
"unsigned char" throughout, like e.g., remote-mips.c or
remote-m32r-sdi.c. That results in -Wpointer-sign warnings in those
targets, unless we add casts in calls to serial_write. Since
serial_write is only concerned about sending raw host bytes out, and
serial_ops->write_prim already works with "void *"/"size_t", a similar
interface to the "write" or "send" system calls, I find it natural to
change serial_write's prototype accordingly, avoiding the need for
casts.
Tested on x86_64 Fedora 17, and also by building x86_64-mingw32
and DJGPP/go32 -hosted gdbs.
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* ser-base.c (ser_base_write): Change prototype -- take 'void *'
buffer and size_t size. Adjust.
* ser-base.h (ser_base_write): Adjust.
* ser-go32.c (cnts): Change type to size_t.
(dos_write): Change prototype -- take 'void *'
buffer and size_t size. Adjust.
(dos_info): Print elements of 'cnts' as unsigned long.
* serial.c (serial_write): Likewise.
* serial.h (serial_write): Adjust.
(struct serial_ops) <write>: Change prototype -- take 'void *'
buffer and size_t size. Adjust.
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obstack_base returns char *. Need to cast to gdb_byte * in a couple spots.
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* c-lang.c (evaluate_subexp_c): Cast result of obstack_base to
gdb_byte *.
* linux-tdep.c (linux_make_mappings_corefile_notes): Likewise.
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../../src/gdb/alpha-tdep.c: In function ‘alpha_extract_return_value’:
../../src/gdb/alpha-tdep.c:520:4: error: pointer targets in passing argument 3 of ‘regcache_cooked_read_signed’ differ in signedness [-Werror=pointer-sign]
In file included from ../../src/gdb/alpha-tdep.c:36:0:
We use regcache_cooked_read_unsigned everywhere else too.
2013-04-19 Pedro Alves <palves@redhat.com>
* alpha-tdep.c (alpha_extract_return_value): Use
regcache_cooked_read_unsigned to read 'v0'.
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../../src/gdb/xtensa-tdep.c:2914:4: error: pointer targets in passing argument 7 of ‘xtensa_operand_get_field’ differ in signedness [-Werror=pointer-sign]
In file included from ../../src/gdb/xtensa-tdep.c:53:0:
../../src/gdb/../include/xtensa-isa.h:487:1: note: expected ‘unsigned int *’ but argument is of type ‘int *’
../../src/gdb/xtensa-tdep.c:2916:4: error: pointer targets in passing argument 4 of ‘xtensa_operand_decode’ differ in signedness [-Werror=pointer-sign]
In file included from ../../src/gdb/xtensa-tdep.c:53:0:
../../src/gdb/../include/xtensa-isa.h:507:1: note: expected ‘unsigned int *’ but argument is of type ‘int *’
../../src/gdb/xtensa-tdep.c:2918:4: error: pointer targets in passing argument 7 of ‘xtensa_operand_get_field’ differ in signedness [-Werror=pointer-sign]
In file included from ../../src/gdb/xtensa-tdep.c:53:0:
../../src/gdb/../include/xtensa-isa.h:487:1: note: expected ‘unsigned int *’ but argument is of type ‘int *’
../../src/gdb/xtensa-tdep.c:2920:4: error: pointer targets in passing argument 4 of ‘xtensa_operand_decode’ differ in signedness [-Werror=pointer-sign]
In file included from ../../src/gdb/xtensa-tdep.c:53:0:
../../src/gdb/../include/xtensa-isa.h:507:1: note: expected ‘unsigned int *’ but argument is of type ‘int *’
../../src/gdb/xtensa-tdep.c:2922:4: error: pointer targets in passing argument 7 of ‘xtensa_operand_get_field’ differ in signedness [-Werror=pointer-sign]
In file included from ../../src/gdb/xtensa-tdep.c:53:0:
../../src/gdb/../include/xtensa-isa.h:487:1: note: expected ‘unsigned int *’ but argument is of type ‘int *’
../../src/gdb/xtensa-tdep.c:2924:4: error: pointer targets in passing argument 4 of ‘xtensa_operand_decode’ differ in signedness [-Werror=pointer-sign]
In file included from ../../src/gdb/xtensa-tdep.c:53:0:
../../src/gdb/../include/xtensa-isa.h:507:1: note: expected ‘unsigned int *’ but argument is of type ‘int *’
Those bfd functions that decode instructions output uint32_t values.
Hence this fix:
2013-04-19 Pedro Alves <palves@redhat.com>
* xtensa-tdep.c (execute_l32e, execute_s32e): Change type of
parameters 'at', 'as' and 'offset' to uint32_t.
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../../src/gdb/aarch64-tdep.c: In function ‘aarch64_analyze_prologue’:
../../src/gdb/aarch64-tdep.c:713:7: error: pointer targets in passing argument 3 of ‘decode_cb’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/aarch64-tdep.c:386:1: note: expected ‘int *’ but argument is of type ‘unsigned int *’
../../src/gdb/aarch64-tdep.c:747:7: error: pointer targets in passing argument 3 of ‘decode_stur’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/aarch64-tdep.c:597:1: note: expected ‘int *’ but argument is of type ‘unsigned int *’
'is64' is just used as a boolean; signed/unsigned doesn't really matter.
2013-04-19 Pedro Alves <palves@redhat.com>
* aarch64-tdep.c (aarch64_analyze_prologue): Change type of local
'is64' to signed 'int'.
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-Wpointer-sign reveals a bunch of:
../../src/gdb/s390-tdep.c:1342:7: error: pointer targets in passing argument 4 of ‘is_rx’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/s390-tdep.c:1038:1: note: expected ‘unsigned int *’ but argument is of type ‘int *’
../../src/gdb/s390-tdep.c:1343:9: error: pointer targets in passing argument 5 of ‘is_rxy’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/s390-tdep.c:1055:1: note: expected ‘unsigned int *’ but argument is of type ‘int *’
../../src/gdb/s390-tdep.c:1344:9: error: pointer targets in passing argument 5 of ‘is_rxy’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/s390-tdep.c:1055:1: note: expected ‘unsigned int *’ but argument is of type ‘int *’
...
../../src/gdb/s390-tdep.c:1363:7: error: pointer targets in passing argument 5 of ‘is_rs’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/s390-tdep.c:966:1: note: expected ‘unsigned int *’ but argument is of type ‘int *’
../../src/gdb/s390-tdep.c:1364:9: error: pointer targets in passing argument 6 of ‘is_rsy’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/s390-tdep.c:983:1: note: expected ‘unsigned int *’ but argument is of type ‘int *’
../../src/gdb/s390-tdep.c:1365:9: error: pointer targets in passing argument 6 of ‘is_rsy’ differ in signedness [-Werror=pointer-sign]
../../src/gdb/s390-tdep.c:983:1: note: expected ‘unsigned int *’ but argument is of type ‘int *’
...
I don't know much about s390, but from reading the code I believe the
right fix is to treat d2 as signed.
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* s390-tdep.c (is_rs, is_rsy, is_rx, is_rxy): Change type of 'd2'
parameter to int *.
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There seems to be no reason for this buffer to be signed. We pass it
around to functions expecting it to be unsigned (which triggers
-Wpointer-sign warnings).
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* ppc-linux-tdep.c (ppc_skip_trampoline_code): Change local
'insnbuf' buffer type to unsigned int[].
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Addresses on MIPS are signed, and we're indeed using
regcache_cooked_read_signed to read the PC, but, we're passing it the
address of an unsigned variable, which triggers a -Wpointer-sign
warning. I've chosen to change the variable's type. I believe this
will end up being the same (though I can't test it).
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* mips-tdep.c (mips_read_pc): Change local 'pc' type to LONGEST.
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There seems to be no reason for this to be signed.
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* mep-tdep.c (mep_get_insn): Change 'insn' parameter type to
unsigned long *.
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These commands are currently var_zinteger, hence their control
variable is signed.
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* alpha-tdep.c (heuristic_fence_post): Change type to int.
(alpha_heuristic_proc_start): Adjust to check -1 instead of
UINT_MAX.
* mips-tdep.c (heuristic_fence_post): Change type to int.
(heuristic_proc_start): Adjust to check -1 instead of UINT_MAX.
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"set cris-version" is an unsigned command:
/* CRIS-specific user-commands. */
add_setshow_uinteger_cmd ("cris-version", class_support,
&usr_cmd_cris_version,
_("Set the current CRIS version."),
_("Show the current CRIS version."),
_("\
Set to 10 for CRISv10 or 32 for CRISv32 if autodetection fails.\n\
Defaults to 10. "),
Tested by building on x86_64 Fedora 17.
2013-04-19 Pedro Alves <palves@redhat.com>
* cris-tdep.c (usr_cmd_cris_version): Make unsigned.
(struct gdbarch_tdep) <cris_version>: Make unsigned.
(cris_spec_reg_applicable, cris_gdbarch_init): Adjust locals.
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This is sort of the opposite of the previous patch. Places that
manipulate strings or interfaces that return strings are changed to
use char* instead of gdb_byte*.
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* avr-tdep.c (avr_io_reg_read_command): New local 'bufstr'. Use
it to get a string view of the byte buffer.
* i386-cygwin-tdep.c (core_process_module_section): Change local 'buf'
type to gdb_byte *. Adjust.
* linux-tdep.c (linux_info_proc, linux_find_memory_regions_full):
Change local to char *.
* solib-darwin.c (find_program_interpreter): Change return type to
char *. Adjust.
(darwin_solib_get_all_image_info_addr_at_init): Adjust.
* solib-dsbt.c (enable_break2): Change local 'buf' to char *.
* solib-frv.c (enable_break2): Change local 'buf' to char *.
* solib-spu.c (spu_current_sos): Add gdb_byte * cast.
* solib-svr4.c (find_program_interpreter): Change return type to
char *. Adjust.
(enable_break): Change local 'interp_name' to char *.
* spu-multiarch.c (spu_xfer_partial): Add cast to 'char *'.
* spu-tdep.c (spu_pseudo_register_read_spu): Add cast to 'char *'.
(spu_pseudo_register_write_spu): Use char for string buffer.
Adjust.
(info_spu_event_command, info_spu_signal_command): Add casts to
'char *'.
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-Wpointer-sign catches all these cases across the codebase that should
be using gdb_byte for raw target bytes. I think these are all
obvious, hence I've collapsed into a single patch.
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* aarch64-tdep.c (aarch64_default_breakpoint): Change type to
gdb_byte[].
(aarch64_breakpoint_from_pc): Change return type to gdb_byte *.
* ada-lang.c (ada_value_assign): Use gdb_byte.
* alphanbsd-tdep.c (sigtramp_retcode): Change type to gdb_byte[].
(alphanbsd_sigtramp_offset): Use gdb_byte.
* arm-linux-tdep.c (arm_linux_arm_le_breakpoint)
(arm_linux_arm_be_breakpoint, eabi_linux_arm_le_breakpoint)
(eabi_linux_arm_be_breakpoint, arm_linux_thumb_be_breakpoint)
(arm_linux_thumb_le_breakpoint, arm_linux_thumb2_be_breakpoint)
(arm_linux_thumb2_le_breakpoint): Change type to gdb_byte[].
* arm-tdep.c (arm_stub_unwind_sniffer)
(arm_displaced_init_closure): Use gdb_byte.
(arm_default_arm_le_breakpoint, arm_default_arm_be_breakpoint)
(arm_default_thumb_le_breakpoint)
(arm_default_thumb_be_breakpoint): Change type to gdb_byte[].
* arm-tdep.h (struct gdbarch_tdep) <arm_breakpoint,
thumb_breakpoint, thumb2_breakpoint>: Change type to gdb_byte *.
* arm-wince-tdep.c (arm_wince_le_breakpoint)
(arm_wince_thumb_le_breakpoint): Change type to gdb_byte[].
* armnbsd-tdep.c (arm_nbsd_arm_le_breakpoint)
(arm_nbsd_arm_be_breakpoint, arm_nbsd_thumb_le_breakpoint)
(arm_nbsd_thumb_be_breakpoint): Change type to gdb_byte[].
* armobsd-tdep.c (arm_obsd_thumb_le_breakpoint)
(arm_obsd_thumb_be_breakpoint): Change type to gdb_byte[].
* cris-tdep.c (push_stack_item, cris_push_dummy_call)
(cris_store_return_value, cris_extract_return_value): Use
gdb_byte.
(constraint): Change type of parameter to char * from signed
char*. Use gdb_byte.
* dwarf2loc.c (read_pieced_value, write_pieced_value): Change type
of local buffer to gdb_byte *.
* dwarf2read.c (read_index_from_section): Use gdb_byte.
(create_dwp_hash_table): Change type of locals to gdb_byte *.
(add_address_entry): Change type of local buffer to gdb_byte[].
* frv-tdep.c (frv_adjust_breakpoint_address, find_func_descr)
(frv_push_dummy_call): Use gdb_byte.
* hppa-hpux-tdep.c (hppa_hpux_push_dummy_code)
(hppa_hpux_supply_ss_fpblock, hppa_hpux_supply_ss_wide)
(hppa_hpux_supply_save_state): Use gdb_byte.
* hppa-tdep.c (hppa32_push_dummy_call)
(hppa64_convert_code_addr_to_fptr): Use gdb_byte.
* ia64-tdep.c (extract_bit_field, replace_bit_field)
(slotN_contents, replace_slotN_contents): Change type of parameter
to gdb_byte *.
(fetch_instruction, ia64_pseudo_register_write)
(ia64_register_to_value, ia64_value_to_register)
(ia64_extract_return_value, ia64_store_return_value)
(ia64_push_dummy_call): Use gdb_byte.
* m32c-tdep.c (m32c_return_value): Remove cast.
* m68hc11-tdep.c (m68hc11_pseudo_register_write)
(m68hc11_push_dummy_call, m68hc11_store_return_value): Use
gdb_byte.
* mipsnbsd-tdep.c (mipsnbsd_get_longjmp_target): Use gdb_byte.
* mn10300-tdep.c (mn10300_store_return_value)
(mn10300_breakpoint_from_pc, mn10300_push_dummy_call): Use
gdb_byte.
* moxie-tdep.c (moxie_process_readu): Use gdb_byte.
(moxie_process_record): Remove casts.
* ppc-ravenscar-thread.c (supply_register_at_address)
(ppc_ravenscar_generic_store_registers): Use gdb_byte.
* ravenscar-thread.c (get_running_thread_id): Use gdb_byte.
* remote-m32r-sdi.c (m32r_fetch_register): Use gdb_byte.
* remote-mips.c (mips_xfer_memory): Use gdb_byte.
* remote.c (compare_sections_command): Use gdb_byte.
* score-tdep.c (score7_free_memblock): Change type of parameter to
gdb_byte *.
* sh-tdep.c (sh_justify_value_in_reg): Change return type to
gdb_byte *. Use gdb_byte.
(sh_push_dummy_call_fpu): Use gdb_byte.
(sh_extract_return_value_nofpu, sh_extract_return_value_fpu)
(sh_store_return_value_nofpu, sh_store_return_value_fpu)
(sh_register_convert_to_virtual, sh_register_convert_to_raw):
Change parameter type to 'gdb_byte *'. Use gdb_byte.
(sh_pseudo_register_read, sh_pseudo_register_write): Use gdb_byte.
* sh64-tdep.c (sh64_push_dummy_call): Use gdb_byte.
(sh64_store_return_value, sh64_register_convert_to_virtual):
Change parameter type to 'gdb_byte *'. Use gdb_byte.
(sh64_pseudo_register_write): Use gdb_byte.
* solib-darwin.c (darwin_current_sos): Add casts to 'gdb_byte *'.
* solib-irix.c (fetch_lm_info): Likewise. Use gdb_byte for byte
buffer.
(irix_current_sos): Use gdb_byte.
* solib-som.c (som_current_sos): Use gdb_byte.
* sparc-ravenscar-thread.c (supply_register_at_address)
(sparc_ravenscar_generic_store_registers): Use gdb_byte.
* spu-multiarch.c (spu_xfer_partial): Add cast to 'char *'.
* spu-tdep.c (spu_get_overlay_table): Use gdb_byte.
* tic6x-tdep.c (tic6x_breakpoint_from_pc): Change return type to
'gdb_byte *'.
* tic6x-tdep.h (struct gdbarch_tdep) <breakpoint>: Change type to
'gdb_byte *'.
* tracepoint.c (tfile_fetch_registers): Use gdb_byte.
* xstormy16-tdep.c (xstormy16_extract_return_value)
(xstormy16_store_return_value): Change parameter type to
'gdb_byte *'. Adjust.
(xstormy16_push_dummy_call): Use gdb_byte.
* xtensa-tdep.c (xtensa_scan_prologue, call0_ret)
(call0_analyze_prologue, execute_code): Use gdb_byte.
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Consider the following simple program:
.globl _start
.text
_start:
fldt val
.data
val: .byte 0x00,0x00,0x45,0x07,0x11,0x19,0x22,0xe9,0xfe,0xbf
With current GDB on x86-64 GNU/Linux hosts, after the moment the fldt
command has been executed the register st(0) looks like this,
according to the “info regs” output (TOP=7):
R7: Valid 0xffffffbffffffffeffffffe922191107450000 -0.910676542908976927
which is clearly wrong (just count its length). The problem is due to
the printf statement (see patch) printing a promoted integer value of
a char argument "raw[i]", and, since char is signed on x86-64
GNU/Linux, the erroneous “ffffff” are printed for the first three
bytes which turn out to be "negative". The fix is to use gdb_byte
instead which is unsigned (and is the type of value_contents(), the
type to be used for raw target bytes anyway). After the fix the value
will be printed correctly:
R7: Valid 0xbffee922191107450000 -0.910676542908976927
gdb/
2013-04-19 Vladimir Kargov <kargov@gmail.com>
Pedro Alves <palves@redhat.com>
* i387-tdep.c (i387_print_float_info): Use gdb_byte for pointer to
value contents.
gdb/testsuite/
2013-04-19 Vladimir Kargov <kargov@gmail.com>
Pedro Alves <palves@redhat.com>
* gdb.arch/i386-float.S: New file.
* gdb.arch/i386-float.exp: New file.
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* compress.c (decompress_contents): Always call inflateEnd, even
when another inflation operation fails.
[Note - the actual patch to compress.c was accidentally committed previously].
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type void *.
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* gdb.dwarf2/missing-sig-type.exp: New file.
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(struct attribute): Replace member signatured_type with signature.
(DW_SIGNATURE): Replaces DW_SIGNATURE_TYPE.
(read_call_site_scope): Call follow_die_ref instead of
follow_die_ref_or_sig.
(read_structure_type): Rewrite handling of signatured types.
(read_enumeration_type): Ditto.
(read_attribute_value): Update.
(build_error_marker_type): New function.
(lookup_die_type): Add assert. Rewrite handling of signatured types.
Don't call error for bad types, just build an error marker type.
(dump_die_shallow): Update.
(follow_die_sig_1): Renamed from follow_die_sig.
Don't call error for bad types, instead return NULL.
(follow_die_sig): New function.
(get_signatured_type, get_DW_AT_signature_type): New functions.
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* elf-ifunc.c: Update copyright year.
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* aarch64-tdep.c (aarch64_write_pc): Removed.
(aarch64_gdbarch_init): Remove set_gdbarch_write_pc of the above function.
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macro's return value is ignored.
* elf32-hppa.c: Likewise.
* elf32-tic6x.c: Likewise.
* mach-o.c: Likewise.
* mmo.c: Likewise.
* opncls.c: Likewise.
* peicode.h: Likewise.
* elf32-m32r.c: Check return value of bfd_set_section_*().
* elfnn-ia64.c: Likewise.
* elfxx-mips.c: Likewise.
* vms-alpha.c: Likewise.
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