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-rwxr-xr-xscripts/bpf_helpers_doc.py155
-rwxr-xr-xscripts/checkpatch.pl2
-rw-r--r--scripts/coccinelle/api/devm_platform_ioremap_resource.cocci60
-rw-r--r--scripts/coccinelle/misc/add_namespace.cocci2
-rw-r--r--scripts/gdb/linux/dmesg.py16
-rw-r--r--scripts/gdb/linux/symbols.py11
-rw-r--r--scripts/gdb/linux/utils.py25
-rw-r--r--scripts/mod/modpost.c60
-rw-r--r--scripts/mod/modpost.h1
-rw-r--r--scripts/nsdeps10
-rw-r--r--scripts/recordmcount.h5
-rwxr-xr-xscripts/setlocalversion2
-rwxr-xr-xscripts/tools-support-relr.sh8
13 files changed, 244 insertions, 113 deletions
diff --git a/scripts/bpf_helpers_doc.py b/scripts/bpf_helpers_doc.py
index 894cc58c1a03..7548569e8076 100755
--- a/scripts/bpf_helpers_doc.py
+++ b/scripts/bpf_helpers_doc.py
@@ -391,6 +391,154 @@ SEE ALSO
print('')
+class PrinterHelpers(Printer):
+ """
+ A printer for dumping collected information about helpers as C header to
+ be included from BPF program.
+ @helpers: array of Helper objects to print to standard output
+ """
+
+ type_fwds = [
+ 'struct bpf_fib_lookup',
+ 'struct bpf_perf_event_data',
+ 'struct bpf_perf_event_value',
+ 'struct bpf_sock',
+ 'struct bpf_sock_addr',
+ 'struct bpf_sock_ops',
+ 'struct bpf_sock_tuple',
+ 'struct bpf_spin_lock',
+ 'struct bpf_sysctl',
+ 'struct bpf_tcp_sock',
+ 'struct bpf_tunnel_key',
+ 'struct bpf_xfrm_state',
+ 'struct pt_regs',
+ 'struct sk_reuseport_md',
+ 'struct sockaddr',
+ 'struct tcphdr',
+
+ 'struct __sk_buff',
+ 'struct sk_msg_md',
+ 'struct xdp_md',
+ ]
+ known_types = {
+ '...',
+ 'void',
+ 'const void',
+ 'char',
+ 'const char',
+ 'int',
+ 'long',
+ 'unsigned long',
+
+ '__be16',
+ '__be32',
+ '__wsum',
+
+ 'struct bpf_fib_lookup',
+ 'struct bpf_perf_event_data',
+ 'struct bpf_perf_event_value',
+ 'struct bpf_sock',
+ 'struct bpf_sock_addr',
+ 'struct bpf_sock_ops',
+ 'struct bpf_sock_tuple',
+ 'struct bpf_spin_lock',
+ 'struct bpf_sysctl',
+ 'struct bpf_tcp_sock',
+ 'struct bpf_tunnel_key',
+ 'struct bpf_xfrm_state',
+ 'struct pt_regs',
+ 'struct sk_reuseport_md',
+ 'struct sockaddr',
+ 'struct tcphdr',
+ }
+ mapped_types = {
+ 'u8': '__u8',
+ 'u16': '__u16',
+ 'u32': '__u32',
+ 'u64': '__u64',
+ 's8': '__s8',
+ 's16': '__s16',
+ 's32': '__s32',
+ 's64': '__s64',
+ 'size_t': 'unsigned long',
+ 'struct bpf_map': 'void',
+ 'struct sk_buff': 'struct __sk_buff',
+ 'const struct sk_buff': 'const struct __sk_buff',
+ 'struct sk_msg_buff': 'struct sk_msg_md',
+ 'struct xdp_buff': 'struct xdp_md',
+ }
+
+ def print_header(self):
+ header = '''\
+/* This is auto-generated file. See bpf_helpers_doc.py for details. */
+
+/* Forward declarations of BPF structs */'''
+
+ print(header)
+ for fwd in self.type_fwds:
+ print('%s;' % fwd)
+ print('')
+
+ def print_footer(self):
+ footer = ''
+ print(footer)
+
+ def map_type(self, t):
+ if t in self.known_types:
+ return t
+ if t in self.mapped_types:
+ return self.mapped_types[t]
+ print("Unrecognized type '%s', please add it to known types!" % t,
+ file=sys.stderr)
+ sys.exit(1)
+
+ seen_helpers = set()
+
+ def print_one(self, helper):
+ proto = helper.proto_break_down()
+
+ if proto['name'] in self.seen_helpers:
+ return
+ self.seen_helpers.add(proto['name'])
+
+ print('/*')
+ print(" * %s" % proto['name'])
+ print(" *")
+ if (helper.desc):
+ # Do not strip all newline characters: formatted code at the end of
+ # a section must be followed by a blank line.
+ for line in re.sub('\n$', '', helper.desc, count=1).split('\n'):
+ print(' *{}{}'.format(' \t' if line else '', line))
+
+ if (helper.ret):
+ print(' *')
+ print(' * Returns')
+ for line in helper.ret.rstrip().split('\n'):
+ print(' *{}{}'.format(' \t' if line else '', line))
+
+ print(' */')
+ print('static %s %s(*%s)(' % (self.map_type(proto['ret_type']),
+ proto['ret_star'], proto['name']), end='')
+ comma = ''
+ for i, a in enumerate(proto['args']):
+ t = a['type']
+ n = a['name']
+ if proto['name'] == 'bpf_get_socket_cookie' and i == 0:
+ t = 'void'
+ n = 'ctx'
+ one_arg = '{}{}'.format(comma, self.map_type(t))
+ if n:
+ if a['star']:
+ one_arg += ' {}'.format(a['star'])
+ else:
+ one_arg += ' '
+ one_arg += '{}'.format(n)
+ comma = ', '
+ print(one_arg, end='')
+
+ print(') = (void *) %d;' % len(self.seen_helpers))
+ print('')
+
###############################################################################
# If script is launched from scripts/ from kernel tree and can access
@@ -405,6 +553,8 @@ Parse eBPF header file and generate documentation for eBPF helper functions.
The RST-formatted output produced can be turned into a manual page with the
rst2man utility.
""")
+argParser.add_argument('--header', action='store_true',
+ help='generate C header file')
if (os.path.isfile(bpfh)):
argParser.add_argument('--filename', help='path to include/uapi/linux/bpf.h',
default=bpfh)
@@ -417,5 +567,8 @@ headerParser = HeaderParser(args.filename)
headerParser.run()
# Print formatted output to standard output.
-printer = PrinterRST(headerParser.helpers)
+if args.header:
+ printer = PrinterHelpers(headerParser.helpers)
+else:
+ printer = PrinterRST(headerParser.helpers)
printer.print_all()
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 3d1f08fa091c..64890be3c8fd 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -6024,7 +6024,7 @@ sub process {
$specifier = $1;
$extension = $2;
$qualifier = $3;
- if ($extension !~ /[SsBKRraEhMmIiUDdgVCbGNOxtf]/ ||
+ if ($extension !~ /[SsBKRraEehMmIiUDdgVCbGNOxtf]/ ||
($extension eq "f" &&
defined $qualifier && $qualifier !~ /^w/)) {
$bad_specifier = $specifier;
diff --git a/scripts/coccinelle/api/devm_platform_ioremap_resource.cocci b/scripts/coccinelle/api/devm_platform_ioremap_resource.cocci
deleted file mode 100644
index 56a2e261d61d..000000000000
--- a/scripts/coccinelle/api/devm_platform_ioremap_resource.cocci
+++ /dev/null
@@ -1,60 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/// Use devm_platform_ioremap_resource helper which wraps
-/// platform_get_resource() and devm_ioremap_resource() together.
-///
-// Confidence: High
-// Copyright: (C) 2019 Himanshu Jha GPLv2.
-// Copyright: (C) 2019 Julia Lawall, Inria/LIP6. GPLv2.
-// Keywords: platform_get_resource, devm_ioremap_resource,
-// Keywords: devm_platform_ioremap_resource
-
-virtual patch
-virtual report
-
-@r depends on patch && !report@
-expression e1, e2, arg1, arg2, arg3;
-identifier id;
-@@
-
-(
-- id = platform_get_resource(arg1, IORESOURCE_MEM, arg2);
-|
-- struct resource *id = platform_get_resource(arg1, IORESOURCE_MEM, arg2);
-)
- ... when != id
-- e1 = devm_ioremap_resource(arg3, id);
-+ e1 = devm_platform_ioremap_resource(arg1, arg2);
- ... when != id
-? id = e2
-
-@r1 depends on patch && !report@
-identifier r.id;
-type T;
-@@
-
-- T *id;
- ...when != id
-
-@r2 depends on report && !patch@
-identifier id;
-expression e1, e2, arg1, arg2, arg3;
-position j0;
-@@
-
-(
- id = platform_get_resource(arg1, IORESOURCE_MEM, arg2);
-|
- struct resource *id = platform_get_resource(arg1, IORESOURCE_MEM, arg2);
-)
- ... when != id
- e1@j0 = devm_ioremap_resource(arg3, id);
- ... when != id
-? id = e2
-
-@script:python depends on report && !patch@
-e1 << r2.e1;
-j0 << r2.j0;
-@@
-
-msg = "WARNING: Use devm_platform_ioremap_resource for %s" % (e1)
-coccilib.report.print_report(j0[0], msg)
diff --git a/scripts/coccinelle/misc/add_namespace.cocci b/scripts/coccinelle/misc/add_namespace.cocci
index c832bb6445a8..99e93a6c2e24 100644
--- a/scripts/coccinelle/misc/add_namespace.cocci
+++ b/scripts/coccinelle/misc/add_namespace.cocci
@@ -6,6 +6,8 @@
/// add a missing namespace tag to a module source file.
///
+virtual report
+
@has_ns_import@
declarer name MODULE_IMPORT_NS;
identifier virtual.ns;
diff --git a/scripts/gdb/linux/dmesg.py b/scripts/gdb/linux/dmesg.py
index 6d2e09a2ad2f..2fa7bb83885f 100644
--- a/scripts/gdb/linux/dmesg.py
+++ b/scripts/gdb/linux/dmesg.py
@@ -16,6 +16,8 @@ import sys
from linux import utils
+printk_log_type = utils.CachedType("struct printk_log")
+
class LxDmesg(gdb.Command):
"""Print Linux kernel log buffer."""
@@ -42,9 +44,14 @@ class LxDmesg(gdb.Command):
b = utils.read_memoryview(inf, log_buf_addr, log_next_idx)
log_buf = a.tobytes() + b.tobytes()
+ length_offset = printk_log_type.get_type()['len'].bitpos // 8
+ text_len_offset = printk_log_type.get_type()['text_len'].bitpos // 8
+ time_stamp_offset = printk_log_type.get_type()['ts_nsec'].bitpos // 8
+ text_offset = printk_log_type.get_type().sizeof
+
pos = 0
while pos < log_buf.__len__():
- length = utils.read_u16(log_buf[pos + 8:pos + 10])
+ length = utils.read_u16(log_buf, pos + length_offset)
if length == 0:
if log_buf_2nd_half == -1:
gdb.write("Corrupted log buffer!\n")
@@ -52,10 +59,11 @@ class LxDmesg(gdb.Command):
pos = log_buf_2nd_half
continue
- text_len = utils.read_u16(log_buf[pos + 10:pos + 12])
- text = log_buf[pos + 16:pos + 16 + text_len].decode(
+ text_len = utils.read_u16(log_buf, pos + text_len_offset)
+ text_start = pos + text_offset
+ text = log_buf[text_start:text_start + text_len].decode(
encoding='utf8', errors='replace')
- time_stamp = utils.read_u64(log_buf[pos:pos + 8])
+ time_stamp = utils.read_u64(log_buf, pos + time_stamp_offset)
for line in text.splitlines():
msg = u"[{time:12.6f}] {line}\n".format(
diff --git a/scripts/gdb/linux/symbols.py b/scripts/gdb/linux/symbols.py
index 34e40e96dee2..be984aa29b75 100644
--- a/scripts/gdb/linux/symbols.py
+++ b/scripts/gdb/linux/symbols.py
@@ -15,7 +15,7 @@ import gdb
import os
import re
-from linux import modules
+from linux import modules, utils
if hasattr(gdb, 'Breakpoint'):
@@ -99,7 +99,8 @@ lx-symbols command."""
attrs[n]['name'].string(): attrs[n]['address']
for n in range(int(sect_attrs['nsections']))}
args = []
- for section_name in [".data", ".data..read_mostly", ".rodata", ".bss"]:
+ for section_name in [".data", ".data..read_mostly", ".rodata", ".bss",
+ ".text", ".text.hot", ".text.unlikely"]:
address = section_name_to_address.get(section_name)
if address:
args.append(" -s {name} {addr}".format(
@@ -116,6 +117,12 @@ lx-symbols command."""
module_file = self._get_module_file(module_name)
if module_file:
+ if utils.is_target_arch('s390'):
+ # Module text is preceded by PLT stubs on s390.
+ module_arch = module['arch']
+ plt_offset = int(module_arch['plt_offset'])
+ plt_size = int(module_arch['plt_size'])
+ module_addr = hex(int(module_addr, 0) + plt_offset + plt_size)
gdb.write("loading @{addr}: {filename}\n".format(
addr=module_addr, filename=module_file))
cmdline = "add-symbol-file {filename} {addr}{sections}".format(
diff --git a/scripts/gdb/linux/utils.py b/scripts/gdb/linux/utils.py
index bc67126118c4..ea94221dbd39 100644
--- a/scripts/gdb/linux/utils.py
+++ b/scripts/gdb/linux/utils.py
@@ -92,15 +92,16 @@ def read_memoryview(inf, start, length):
return memoryview(inf.read_memory(start, length))
-def read_u16(buffer):
+def read_u16(buffer, offset):
+ buffer_val = buffer[offset:offset + 2]
value = [0, 0]
- if type(buffer[0]) is str:
- value[0] = ord(buffer[0])
- value[1] = ord(buffer[1])
+ if type(buffer_val[0]) is str:
+ value[0] = ord(buffer_val[0])
+ value[1] = ord(buffer_val[1])
else:
- value[0] = buffer[0]
- value[1] = buffer[1]
+ value[0] = buffer_val[0]
+ value[1] = buffer_val[1]
if get_target_endianness() == LITTLE_ENDIAN:
return value[0] + (value[1] << 8)
@@ -108,18 +109,18 @@ def read_u16(buffer):
return value[1] + (value[0] << 8)
-def read_u32(buffer):
+def read_u32(buffer, offset):
if get_target_endianness() == LITTLE_ENDIAN:
- return read_u16(buffer[0:2]) + (read_u16(buffer[2:4]) << 16)
+ return read_u16(buffer, offset) + (read_u16(buffer, offset + 2) << 16)
else:
- return read_u16(buffer[2:4]) + (read_u16(buffer[0:2]) << 16)
+ return read_u16(buffer, offset + 2) + (read_u16(buffer, offset) << 16)
-def read_u64(buffer):
+def read_u64(buffer, offset):
if get_target_endianness() == LITTLE_ENDIAN:
- return read_u32(buffer[0:4]) + (read_u32(buffer[4:8]) << 32)
+ return read_u32(buffer, offset) + (read_u32(buffer, offset + 4) << 32)
else:
- return read_u32(buffer[4:8]) + (read_u32(buffer[0:4]) << 32)
+ return read_u32(buffer, offset + 4) + (read_u32(buffer, offset) << 32)
target_arch = None
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 442d5e2ad688..d2a30a7b3f07 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -166,7 +166,7 @@ struct symbol {
struct module *module;
unsigned int crc;
int crc_valid;
- const char *namespace;
+ char *namespace;
unsigned int weak:1;
unsigned int vmlinux:1; /* 1 if symbol is defined in vmlinux */
unsigned int kernel:1; /* 1 if symbol is from kernel
@@ -348,34 +348,43 @@ static enum export export_from_sec(struct elf_info *elf, unsigned int sec)
return export_unknown;
}
-static const char *sym_extract_namespace(const char **symname)
+static const char *namespace_from_kstrtabns(struct elf_info *info,
+ Elf_Sym *kstrtabns)
+{
+ char *value = info->ksymtab_strings + kstrtabns->st_value;
+ return value[0] ? value : NULL;
+}
+
+static void sym_update_namespace(const char *symname, const char *namespace)
{
- size_t n;
- char *dupsymname;
+ struct symbol *s = find_symbol(symname);
- n = strcspn(*symname, ".");
- if (n < strlen(*symname) - 1) {
- dupsymname = NOFAIL(strdup(*symname));
- dupsymname[n] = '\0';
- *symname = dupsymname;
- return dupsymname + n + 1;
+ /*
+ * That symbol should have been created earlier and thus this is
+ * actually an assertion.
+ */
+ if (!s) {
+ merror("Could not update namespace(%s) for symbol %s\n",
+ namespace, symname);
+ return;
}
- return NULL;
+ free(s->namespace);
+ s->namespace =
+ namespace && namespace[0] ? NOFAIL(strdup(namespace)) : NULL;
}
/**
* Add an exported symbol - it may have already been added without a
* CRC, in this case just update the CRC
**/
-static struct symbol *sym_add_exported(const char *name, const char *namespace,
- struct module *mod, enum export export)
+static struct symbol *sym_add_exported(const char *name, struct module *mod,
+ enum export export)
{
struct symbol *s = find_symbol(name);
if (!s) {
s = new_symbol(name, mod, export);
- s->namespace = namespace;
} else {
if (!s->preloaded) {
warn("%s: '%s' exported twice. Previous export was in %s%s\n",
@@ -584,6 +593,10 @@ static int parse_elf(struct elf_info *info, const char *filename)
info->export_unused_gpl_sec = i;
else if (strcmp(secname, "__ksymtab_gpl_future") == 0)
info->export_gpl_future_sec = i;
+ else if (strcmp(secname, "__ksymtab_strings") == 0)
+ info->ksymtab_strings = (void *)hdr +
+ sechdrs[i].sh_offset -
+ sechdrs[i].sh_addr;
if (sechdrs[i].sh_type == SHT_SYMTAB) {
unsigned int sh_link_idx;
@@ -672,7 +685,7 @@ static void handle_modversions(struct module *mod, struct elf_info *info,
unsigned int crc;
enum export export;
bool is_crc = false;
- const char *name, *namespace;
+ const char *name;
if ((!is_vmlinux(mod->name) || mod->is_dot_o) &&
strstarts(symname, "__ksymtab"))
@@ -745,8 +758,7 @@ static void handle_modversions(struct module *mod, struct elf_info *info,
/* All exported symbols */
if (strstarts(symname, "__ksymtab_")) {
name = symname + strlen("__ksymtab_");
- namespace = sym_extract_namespace(&name);
- sym_add_exported(name, namespace, mod, export);
+ sym_add_exported(name, mod, export);
}
if (strcmp(symname, "init_module") == 0)
mod->has_init = 1;
@@ -2042,6 +2054,16 @@ static void read_symbols(const char *modname)
handle_moddevtable(mod, &info, sym, symname);
}
+ /* Apply symbol namespaces from __kstrtabns_<symbol> entries. */
+ for (sym = info.symtab_start; sym < info.symtab_stop; sym++) {
+ symname = remove_dot(info.strtab + sym->st_name);
+
+ if (strstarts(symname, "__kstrtabns_"))
+ sym_update_namespace(symname + strlen("__kstrtabns_"),
+ namespace_from_kstrtabns(&info,
+ sym));
+ }
+
// check for static EXPORT_SYMBOL_* functions && global vars
for (sym = info.symtab_start; sym < info.symtab_stop; sym++) {
unsigned char bind = ELF_ST_BIND(sym->st_info);
@@ -2453,12 +2475,12 @@ static void read_dump(const char *fname, unsigned int kernel)
mod = new_module(modname);
mod->skip = 1;
}
- s = sym_add_exported(symname, namespace, mod,
- export_no(export));
+ s = sym_add_exported(symname, mod, export_no(export));
s->kernel = kernel;
s->preloaded = 1;
s->is_static = 0;
sym_update_crc(symname, mod, crc, export_no(export));
+ sym_update_namespace(symname, namespace);
}
release_file(file, size);
return;
diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index 92a926d375d2..ad271bc6c313 100644
--- a/scripts/mod/modpost.h
+++ b/scripts/mod/modpost.h
@@ -143,6 +143,7 @@ struct elf_info {
Elf_Section export_gpl_sec;
Elf_Section export_unused_gpl_sec;
Elf_Section export_gpl_future_sec;
+ char *ksymtab_strings;
char *strtab;
char *modinfo;
unsigned int modinfo_len;
diff --git a/scripts/nsdeps b/scripts/nsdeps
index ac2b6031dd13..04cea0921673 100644
--- a/scripts/nsdeps
+++ b/scripts/nsdeps
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# Linux kernel symbol namespace import generator
#
@@ -31,17 +31,17 @@ generate_deps() {
local mod_file=`echo $@ | sed -e 's/\.ko/\.mod/'`
local ns_deps_file=`echo $@ | sed -e 's/\.ko/\.ns_deps/'`
if [ ! -f "$ns_deps_file" ]; then return; fi
- local mod_source_files=`cat $mod_file | sed -n 1p \
+ local mod_source_files="`cat $mod_file | sed -n 1p \
| sed -e 's/\.o/\.c/g' \
- | sed "s/[^ ]* */${srctree}\/&/g"`
+ | sed "s|[^ ]* *|${srctree}/&|g"`"
for ns in `cat $ns_deps_file`; do
echo "Adding namespace $ns to module $mod_name (if needed)."
- generate_deps_for_ns $ns $mod_source_files
+ generate_deps_for_ns $ns "$mod_source_files"
# sort the imports
for source_file in $mod_source_files; do
sed '/MODULE_IMPORT_NS/Q' $source_file > ${source_file}.tmp
offset=$(wc -l ${source_file}.tmp | awk '{print $1;}')
- cat $source_file | grep MODULE_IMPORT_NS | sort -u >> ${source_file}.tmp
+ cat $source_file | grep MODULE_IMPORT_NS | LANG=C sort -u >> ${source_file}.tmp
tail -n +$((offset +1)) ${source_file} | grep -v MODULE_IMPORT_NS >> ${source_file}.tmp
if ! diff -q ${source_file} ${source_file}.tmp; then
mv ${source_file}.tmp ${source_file}
diff --git a/scripts/recordmcount.h b/scripts/recordmcount.h
index 8f0a278ce0af..74eab03e31d4 100644
--- a/scripts/recordmcount.h
+++ b/scripts/recordmcount.h
@@ -389,11 +389,8 @@ static int nop_mcount(Elf_Shdr const *const relhdr,
mcountsym = get_mcountsym(sym0, relp, str0);
if (mcountsym == Elf_r_sym(relp) && !is_fake_mcount(relp)) {
- if (make_nop) {
+ if (make_nop)
ret = make_nop((void *)ehdr, _w(shdr->sh_offset) + _w(relp->r_offset));
- if (ret < 0)
- return -1;
- }
if (warn_on_notrace_sect && !once) {
printf("Section %s has mcount callers being ignored\n",
txtname);
diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index 220dae0db3f1..a2998b118ef9 100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -93,7 +93,7 @@ scm_version()
# Check for mercurial and a mercurial repo.
if test -d .hg && hgid=`hg id 2>/dev/null`; then
# Do we have an tagged version? If so, latesttagdistance == 1
- if [ "`hg log -r . --template '{latesttagdistance}'`" == "1" ]; then
+ if [ "`hg log -r . --template '{latesttagdistance}'`" = "1" ]; then
id=`hg log -r . --template '{latesttag}'`
printf '%s%s' -hg "$id"
else
diff --git a/scripts/tools-support-relr.sh b/scripts/tools-support-relr.sh
index 97a2c844a95e..45e8aa360b45 100755
--- a/scripts/tools-support-relr.sh
+++ b/scripts/tools-support-relr.sh
@@ -4,13 +4,13 @@
tmp_file=$(mktemp)
trap "rm -f $tmp_file.o $tmp_file $tmp_file.bin" EXIT
-cat << "END" | "$CC" -c -x c - -o $tmp_file.o >/dev/null 2>&1
+cat << "END" | $CC -c -x c - -o $tmp_file.o >/dev/null 2>&1
void *p = &p;
END
-"$LD" $tmp_file.o -shared -Bsymbolic --pack-dyn-relocs=relr -o $tmp_file
+$LD $tmp_file.o -shared -Bsymbolic --pack-dyn-relocs=relr -o $tmp_file
# Despite printing an error message, GNU nm still exits with exit code 0 if it
# sees a relr section. So we need to check that nothing is printed to stderr.
-test -z "$("$NM" $tmp_file 2>&1 >/dev/null)"
+test -z "$($NM $tmp_file 2>&1 >/dev/null)"
-"$OBJCOPY" -O binary $tmp_file $tmp_file.bin
+$OBJCOPY -O binary $tmp_file $tmp_file.bin
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 05:01:12 +0000