eb8bfdaf6e
Pull a patch already applied upstream that fixes the build of setarch for SPARC processors. Fixes: http://autobuild.buildroot.net/results/44d0538332499cea691a381048562a09cda23624 http://autobuild.buildroot.net/results/e7e3469717ab27d66d2528087fd7c3a41477ae05 Signed-off-by: Carlos Santos <casantos@datacom.com.br> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
85 lines
2.4 KiB
Diff
85 lines
2.4 KiB
Diff
From 3fa06e049012218d883d0e1251df86bafbc446bf Mon Sep 17 00:00:00 2001
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From: Karel Zak <kzak@redhat.com>
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Date: Thu, 22 Nov 2018 11:03:35 +0100
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Subject: [PATCH] setarch: fix obscure sparc32bash use-case
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Reported-by: Carlos Santos <casantos@datacom.com.br>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Carlos Santos <casantos@datacom.com.br>
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---
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sys-utils/setarch.c | 28 ++++++++++++++++++----------
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1 file changed, 18 insertions(+), 10 deletions(-)
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diff --git a/sys-utils/setarch.c b/sys-utils/setarch.c
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index a733f7b3c..7c0a63fbb 100644
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--- a/sys-utils/setarch.c
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+++ b/sys-utils/setarch.c
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@@ -268,6 +268,7 @@ int main(int argc, char *argv[])
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int c;
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struct arch_domain *doms, *target;
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unsigned long pers_value = 0;
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+ char *shell = NULL, *shell_arg = NULL;
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/* Options without equivalent short options */
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enum {
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@@ -310,14 +311,14 @@ int main(int argc, char *argv[])
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archwrapper = strcmp(program_invocation_short_name, "setarch") != 0;
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if (archwrapper) {
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arch = program_invocation_short_name; /* symlinks to setarch */
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-#if defined(__sparc64__) || defined(__sparc__)
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+
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+ /* Don't use ifdef sparc here, we get "Unrecognized architecture"
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+ * error message later if necessary */
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if (strcmp(arch, "sparc32bash") == 0) {
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- if (set_arch(arch, 0L, 0))
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- err(EXIT_FAILURE, _("Failed to set personality to %s"), arch);
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- execl("/bin/bash", "", NULL);
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- errexec("/bin/bash");
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+ shell = "/bin/bash";
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+ shell_arg = "";
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+ goto set_arch;
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}
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-#endif
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} else {
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if (1 < argc && *argv[1] != '-') {
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arch = argv[1];
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@@ -391,6 +392,7 @@ int main(int argc, char *argv[])
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argc -= optind;
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argv += optind;
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+set_arch:
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/* get execution domain (architecture) */
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if (arch) {
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doms = init_arch_domains();
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@@ -422,17 +424,23 @@ int main(int argc, char *argv[])
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if (arch)
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verify_arch_domain(target, arch);
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+ if (!argc) {
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+ shell = "/bin/sh";
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+ shell_arg = "-sh";
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+ }
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if (verbose) {
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- printf(_("Execute command `%s'.\n"), argc ? argv[0] : "/bin/sh");
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+ printf(_("Execute command `%s'.\n"), shell ? shell : argv[0]);
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/* flush all output streams before exec */
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fflush(NULL);
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}
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- if (!argc) {
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- execl("/bin/sh", "-sh", NULL);
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- errexec("/bin/sh");
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+ /* Execute shell */
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+ if (shell) {
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+ execl(shell, shell_arg, NULL);
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+ errexec(shell);
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}
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+ /* Execute on command line specified command */
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execvp(argv[0], argv);
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errexec(argv[0]);
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}
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--
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2.14.5
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