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Diffstat (limited to 'arch/x86/entry/vdso/vdso2c.c')
-rw-r--r--arch/x86/entry/vdso/vdso2c.c31
1 files changed, 6 insertions, 25 deletions
diff --git a/arch/x86/entry/vdso/vdso2c.c b/arch/x86/entry/vdso/vdso2c.c
index 8e470b018512..f84e8f8fa5fe 100644
--- a/arch/x86/entry/vdso/vdso2c.c
+++ b/arch/x86/entry/vdso/vdso2c.c
@@ -1,7 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* vdso2c - A vdso image preparation tool
* Copyright (c) 2014 Andy Lutomirski and others
- * Licensed under the GPL v2
*
* vdso2c requires stripped and unstripped input. It would be trivial
* to fully strip the input in here, but, for reasons described below,
@@ -69,38 +69,19 @@
const char *outfilename;
-/* Symbols that we need in vdso2c. */
-enum {
- sym_vvar_start,
- sym_vvar_page,
- sym_hpet_page,
- sym_pvclock_page,
- sym_hvclock_page,
-};
-
-const int special_pages[] = {
- sym_vvar_page,
- sym_hpet_page,
- sym_pvclock_page,
- sym_hvclock_page,
-};
-
struct vdso_sym {
const char *name;
bool export;
};
struct vdso_sym required_syms[] = {
- [sym_vvar_start] = {"vvar_start", true},
- [sym_vvar_page] = {"vvar_page", true},
- [sym_hpet_page] = {"hpet_page", true},
- [sym_pvclock_page] = {"pvclock_page", true},
- [sym_hvclock_page] = {"hvclock_page", true},
{"VDSO32_NOTE_MASK", true},
{"__kernel_vsyscall", true},
{"__kernel_sigreturn", true},
{"__kernel_rt_sigreturn", true},
{"int80_landing_pad", true},
+ {"vdso32_rt_sigreturn_landing_pad", true},
+ {"vdso32_sigreturn_landing_pad", true},
};
__attribute__((format(printf, 1, 2))) __attribute__((noreturn))
@@ -187,7 +168,7 @@ static void map_input(const char *name, void **addr, size_t *len, int prot)
int fd = open(name, O_RDONLY);
if (fd == -1)
- err(1, "%s", name);
+ err(1, "open(%s)", name);
tmp_len = lseek(fd, 0, SEEK_END);
if (tmp_len == (off_t)-1)
@@ -216,7 +197,7 @@ int main(int argc, char **argv)
/*
* Figure out the struct name. If we're writing to a .so file,
- * generate raw output insted.
+ * generate raw output instead.
*/
name = strdup(argv[3]);
namelen = strlen(name);
@@ -240,7 +221,7 @@ int main(int argc, char **argv)
outfilename = argv[3];
outfile = fopen(outfilename, "w");
if (!outfile)
- err(1, "%s", argv[2]);
+ err(1, "fopen(%s)", outfilename);
go(raw_addr, raw_len, stripped_addr, stripped_len, outfile, name);