mmap.c (99c44988d5ba1866a411450c877ed818b1b70081) mmap.c (948516a3fac0bdd47eb127fe1a86148ed86d5c65)
1/*
2 * mmap support for qemu
3 *
4 * Copyright (c) 2003 - 2008 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or

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175
176 /* read the corresponding file data */
177 pread(fd, g2h_untagged(start), end - start, offset);
178
179 /* put final protection */
180 if (prot_new != (prot1 | PROT_WRITE))
181 mprotect(host_start, qemu_host_page_size, prot_new);
182 } else {
1/*
2 * mmap support for qemu
3 *
4 * Copyright (c) 2003 - 2008 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or

--- 166 unchanged lines hidden (view full) ---

175
176 /* read the corresponding file data */
177 pread(fd, g2h_untagged(start), end - start, offset);
178
179 /* put final protection */
180 if (prot_new != (prot1 | PROT_WRITE))
181 mprotect(host_start, qemu_host_page_size, prot_new);
182 } else {
183 /* just update the protection */
184 if (prot_new != prot1) {
185 mprotect(host_start, qemu_host_page_size, prot_new);
186 }
183 if (prot_new != prot1) {
184 mprotect(host_start, qemu_host_page_size, prot_new);
185 }
186 if (prot_new & PROT_WRITE) {
187 memset(g2h_untagged(start), 0, end - start);
188 }
187 }
188 return 0;
189}
190
191#if HOST_LONG_BITS == 64 && TARGET_ABI_BITS == 64
192# define TASK_UNMAPPED_BASE (1ul << 38)
193#else
194# define TASK_UNMAPPED_BASE 0x40000000

--- 588 unchanged lines hidden --- 		189 }
190 return 0;
191}
192
193#if HOST_LONG_BITS == 64 && TARGET_ABI_BITS == 64
194# define TASK_UNMAPPED_BASE (1ul << 38)
195#else
196# define TASK_UNMAPPED_BASE 0x40000000

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