From 146dddbec44c48417f776d54f823093b464e596c Mon Sep 17 00:00:00 2001 From: Alexander Graf Date: Mon, 28 Nov 2011 17:05:24 +0100 Subject: [PATCH 12/36] XXX linux-user: fake /proc/self/maps even more --- linux-user/syscall.c | 40 +++++++++++++++++++++++++++++++++++++++- 1 files changed, 39 insertions(+), 1 deletions(-) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 5810e2a..4af0edb 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -4606,13 +4606,51 @@ int get_osversion(void) static int open_self_maps(void *cpu_env, int fd) { +#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32) TaskState *ts = ((CPUState *)cpu_env)->opaque; +#endif + FILE *fp; + char *line = NULL; + size_t len = 0; + ssize_t read; + + fp = fopen("/proc/self/maps", "r"); + if (fp == NULL) { + return -EACCES; + } + while ((read = getline(&line, &len, fp)) != -1) { + int fields, dev_maj, dev_min, inode; + uint64_t min, max, offset; + char flag_r, flag_w, flag_x, flag_p; + char path[512] = ""; + fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %d:%d %d" + " %512s", &min, &max, &flag_r, &flag_w, &flag_x, + &flag_p, &offset, &dev_maj, &dev_min, &inode, path); + + if ((fields < 10) || (fields > 11)) { + continue; + } + if (!strncmp(path, "[stack]", 7)) { + continue; + } + if (h2g_valid(min) && h2g_valid(max)) { + dprintf(fd, TARGET_FMT_lx "-" TARGET_FMT_lx " %c%c%c%c %08" PRIx64 + " %02d:%02d %d%s%s\n", h2g(min), h2g(max), flag_r, flag_w, + flag_x, flag_p, offset, dev_maj, dev_min, inode, + path[0] ? " " : "", path); + } + } + + free(line); + +#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32) dprintf(fd, "%08llx-%08llx rw-p %08llx 00:00 0 [stack]\n", (unsigned long long)ts->info->stack_limit, (unsigned long long)(ts->stack_base + (TARGET_PAGE_SIZE - 1)) & TARGET_PAGE_MASK, - (unsigned long long)ts->stack_base); + (unsigned long long)0); +#endif return 0; } -- 1.6.0.2