df7a75564e
Glib's g_mapped_file_new maps file with PROT_READ|PROT_WRITE and MAP_PRIVATE. This leads to premature physical memory allocation of dump file size on Linux hosts and may fail. On Linux, mapping the file with MAP_NORESERVE limits the allocation by available memory. Signed-off-by: Viktor Prutyanov <viktor@daynix.com> Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com> Message-id: 20230915170153.10959-5-viktor@daynix.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
/*
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* Copyright (c) 2018 Virtuozzo International GmbH
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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*/
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#ifndef ELF2DMP_QEMU_ELF_H
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#define ELF2DMP_QEMU_ELF_H
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#include "elf.h"
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typedef struct QEMUCPUSegment {
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uint32_t selector;
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uint32_t limit;
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uint32_t flags;
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uint32_t pad;
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uint64_t base;
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} QEMUCPUSegment;
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typedef struct QEMUCPUState {
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uint32_t version;
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uint32_t size;
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uint64_t rax, rbx, rcx, rdx, rsi, rdi, rsp, rbp;
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uint64_t r8, r9, r10, r11, r12, r13, r14, r15;
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uint64_t rip, rflags;
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QEMUCPUSegment cs, ds, es, fs, gs, ss;
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QEMUCPUSegment ldt, tr, gdt, idt;
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uint64_t cr[5];
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uint64_t kernel_gs_base;
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} QEMUCPUState;
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int is_system(QEMUCPUState *s);
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typedef struct QEMU_Elf {
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#ifndef CONFIG_LINUX
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GMappedFile *gmf;
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#endif
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size_t size;
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void *map;
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QEMUCPUState **state;
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size_t state_nr;
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int has_kernel_gs_base;
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} QEMU_Elf;
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int QEMU_Elf_init(QEMU_Elf *qe, const char *filename);
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void QEMU_Elf_exit(QEMU_Elf *qe);
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Elf64_Phdr *elf64_getphdr(void *map);
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Elf64_Half elf_getphdrnum(void *map);
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#endif /* ELF2DMP_QEMU_ELF_H */
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