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elf2dmp: Rename PAGE_SIZE to ELF2DMP_PAGE_SIZE

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As per POSIX specification of limits.h [1], OS libc may define
PAGE_SIZE in limits.h.

To prevent collosion of definition, we rename PAGE_SIZE here.

[1]: https://pubs.opengroup.org/onlinepubs/7908799/xsh/limits.h.html

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210118063808.12471-6-jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Jiaxun Yang 2021-01-18 14:38:04 +08:00 committed by Thomas Huth
parent 9c57272507
commit 2d0fc797fa
3 changed files with 14 additions and 14 deletions
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4
contrib/elf2dmp/addrspace.c
View File

@ -207,8 +207,8 @@ int va_space_rw(struct va_space *vs, uint64_t addr,
void *buf, size_t size, int is_write)
{
while (size) {
uint64_t page = addr & PFN_MASK;
size_t s = (page + PAGE_SIZE) - addr;
uint64_t page = addr & ELF2DMP_PFN_MASK;
size_t s = (page + ELF2DMP_PAGE_SIZE) - addr;
void *ptr;
s = (s > size) ? size : s;

6
contrib/elf2dmp/addrspace.h
View File

@ -10,9 +10,9 @@
#include "qemu_elf.h"
#define PAGE_BITS 12
#define PAGE_SIZE (1ULL << PAGE_BITS)
#define PFN_MASK (~(PAGE_SIZE - 1))
#define ELF2DMP_PAGE_BITS 12
#define ELF2DMP_PAGE_SIZE (1ULL << ELF2DMP_PAGE_BITS)
#define ELF2DMP_PFN_MASK (~(ELF2DMP_PAGE_SIZE - 1))
#define INVALID_PA UINT64_MAX

18
contrib/elf2dmp/main.c
View File

@ -244,8 +244,8 @@ static int fill_header(WinDumpHeader64 *hdr, struct pa_space *ps,
WinDumpHeader64 h;
size_t i;
QEMU_BUILD_BUG_ON(KUSD_OFFSET_SUITE_MASK >= PAGE_SIZE);
QEMU_BUILD_BUG_ON(KUSD_OFFSET_PRODUCT_TYPE >= PAGE_SIZE);
QEMU_BUILD_BUG_ON(KUSD_OFFSET_SUITE_MASK >= ELF2DMP_PAGE_SIZE);
QEMU_BUILD_BUG_ON(KUSD_OFFSET_PRODUCT_TYPE >= ELF2DMP_PAGE_SIZE);
if (!suite_mask || !product_type) {
return 1;
@ -281,14 +281,14 @@ static int fill_header(WinDumpHeader64 *hdr, struct pa_space *ps,
};
for (i = 0; i < ps->block_nr; i++) {
h.PhysicalMemoryBlock.NumberOfPages += ps->block[i].size / PAGE_SIZE;
h.PhysicalMemoryBlock.NumberOfPages += ps->block[i].size / ELF2DMP_PAGE_SIZE;
h.PhysicalMemoryBlock.Run[i] = (WinDumpPhyMemRun64) {
.BasePage = ps->block[i].paddr / PAGE_SIZE,
.PageCount = ps->block[i].size / PAGE_SIZE,
.BasePage = ps->block[i].paddr / ELF2DMP_PAGE_SIZE,
.PageCount = ps->block[i].size / ELF2DMP_PAGE_SIZE,
};
}
h.RequiredDumpSpace += h.PhysicalMemoryBlock.NumberOfPages << PAGE_BITS;
h.RequiredDumpSpace += h.PhysicalMemoryBlock.NumberOfPages << ELF2DMP_PAGE_BITS;
*hdr = h;
@ -379,7 +379,7 @@ static int pe_get_pdb_symstore_hash(uint64_t base, void *start_addr,
size_t pdb_name_sz;
size_t i;
QEMU_BUILD_BUG_ON(sizeof(*dos_hdr) >= PAGE_SIZE);
QEMU_BUILD_BUG_ON(sizeof(*dos_hdr) >= ELF2DMP_PAGE_SIZE);
if (memcmp(&dos_hdr->e_magic, e_magic, sizeof(e_magic))) {
return 1;
@ -509,10 +509,10 @@ int main(int argc, char *argv[])
}
printf("CPU #0 IDT[0] -> 0x%016"PRIx64"\n", idt_desc_addr(first_idt_desc));
KernBase = idt_desc_addr(first_idt_desc) & ~(PAGE_SIZE - 1);
KernBase = idt_desc_addr(first_idt_desc) & ~(ELF2DMP_PAGE_SIZE - 1);
printf("Searching kernel downwards from 0x%016"PRIx64"...\n", KernBase);
for (; KernBase >= 0xfffff78000000000; KernBase -= PAGE_SIZE) {
for (; KernBase >= 0xfffff78000000000; KernBase -= ELF2DMP_PAGE_SIZE) {
nt_start_addr = va_space_resolve(&vs, KernBase);
if (!nt_start_addr) {
continue;