a799f071ba
- qemu-user: add device mapper and loopback ioctls, enabling kpatkx OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=40
70 lines
2.3 KiB
Diff
70 lines
2.3 KiB
Diff
From 146dddbec44c48417f776d54f823093b464e596c Mon Sep 17 00:00:00 2001
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From: Alexander Graf <agraf@suse.de>
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Date: Mon, 28 Nov 2011 17:05:24 +0100
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Subject: [PATCH] XXX linux-user: fake /proc/self/maps even more
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---
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linux-user/syscall.c | 40 +++++++++++++++++++++++++++++++++++++++-
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1 files changed, 39 insertions(+), 1 deletions(-)
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diff --git a/linux-user/syscall.c b/linux-user/syscall.c
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index 5810e2a..4af0edb 100644
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--- a/linux-user/syscall.c
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+++ b/linux-user/syscall.c
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@@ -4606,13 +4606,51 @@ int get_osversion(void)
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static int open_self_maps(void *cpu_env, int fd)
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{
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+#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
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TaskState *ts = ((CPUState *)cpu_env)->opaque;
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+#endif
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+ FILE *fp;
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+ char *line = NULL;
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+ size_t len = 0;
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+ ssize_t read;
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+
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+ fp = fopen("/proc/self/maps", "r");
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+ if (fp == NULL) {
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+ return -EACCES;
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+ }
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+ while ((read = getline(&line, &len, fp)) != -1) {
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+ int fields, dev_maj, dev_min, inode;
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+ uint64_t min, max, offset;
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+ char flag_r, flag_w, flag_x, flag_p;
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+ char path[512] = "";
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+ fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %d:%d %d"
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+ " %512s", &min, &max, &flag_r, &flag_w, &flag_x,
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+ &flag_p, &offset, &dev_maj, &dev_min, &inode, path);
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+
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+ if ((fields < 10) || (fields > 11)) {
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+ continue;
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+ }
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+ if (!strncmp(path, "[stack]", 7)) {
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+ continue;
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+ }
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+ if (h2g_valid(min) && h2g_valid(max)) {
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+ dprintf(fd, TARGET_FMT_lx "-" TARGET_FMT_lx " %c%c%c%c %08" PRIx64
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+ " %02d:%02d %d%s%s\n", h2g(min), h2g(max), flag_r, flag_w,
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+ flag_x, flag_p, offset, dev_maj, dev_min, inode,
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+ path[0] ? " " : "", path);
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+ }
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+ }
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+
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+ free(line);
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+
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+#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
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dprintf(fd, "%08llx-%08llx rw-p %08llx 00:00 0 [stack]\n",
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(unsigned long long)ts->info->stack_limit,
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(unsigned long long)(ts->stack_base + (TARGET_PAGE_SIZE - 1))
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& TARGET_PAGE_MASK,
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- (unsigned long long)ts->stack_base);
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+ (unsigned long long)0);
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+#endif
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return 0;
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}
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--
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1.6.0.2
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