diff options
author | sjg <sjg@FreeBSD.org> | 2014-11-19 01:07:58 +0000 |
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committer | sjg <sjg@FreeBSD.org> | 2014-11-19 01:07:58 +0000 |
commit | b137080f19736ee33fede2e88bb54438604cf86b (patch) | |
tree | 377ac0ac449528621eb192cd245adadb5fd53668 /lib/libkvm/kvm_arm.c | |
parent | ab21a29eb607d4dfe389b965fbdee27558e791aa (diff) | |
parent | 4a8d07956d121238d006d34ffe7d6269744e8b1a (diff) | |
download | FreeBSD-src-b137080f19736ee33fede2e88bb54438604cf86b.zip FreeBSD-src-b137080f19736ee33fede2e88bb54438604cf86b.tar.gz |
Merge from head@274682
Diffstat (limited to 'lib/libkvm/kvm_arm.c')
-rw-r--r-- | lib/libkvm/kvm_arm.c | 40 |
1 files changed, 28 insertions, 12 deletions
diff --git a/lib/libkvm/kvm_arm.c b/lib/libkvm/kvm_arm.c index d221f6a..cc808e3 100644 --- a/lib/libkvm/kvm_arm.c +++ b/lib/libkvm/kvm_arm.c @@ -132,8 +132,10 @@ _kvm_initvtop(kvm_t *kd) u_long kernbase, physaddr, pa; pd_entry_t *l1pt; Elf32_Ehdr *ehdr; + Elf32_Phdr *phdr; size_t hdrsz; char minihdr[8]; + int found, i; if (!kd->rawdump) { if (pread(kd->pmfd, &minihdr, 8, 0) == 8) { @@ -158,19 +160,33 @@ _kvm_initvtop(kvm_t *kd) hdrsz = ehdr->e_phoff + ehdr->e_phentsize * ehdr->e_phnum; if (_kvm_maphdrs(kd, hdrsz) == -1) return (-1); - nl[0].n_name = "kernbase"; + + phdr = (Elf32_Phdr *)((uint8_t *)ehdr + ehdr->e_phoff); + found = 0; + for (i = 0; i < ehdr->e_phnum; i++) { + if (phdr[i].p_type == PT_DUMP_DELTA) { + kernbase = phdr[i].p_vaddr; + physaddr = phdr[i].p_paddr; + found = 1; + break; + } + } + nl[1].n_name = NULL; - if (kvm_nlist(kd, nl) != 0) - kernbase = KERNBASE; - else - kernbase = nl[0].n_value; + if (!found) { + nl[0].n_name = "kernbase"; + if (kvm_nlist(kd, nl) != 0) + kernbase = KERNBASE; + else + kernbase = nl[0].n_value; - nl[0].n_name = "physaddr"; - if (kvm_nlist(kd, nl) != 0) { - _kvm_err(kd, kd->program, "couldn't get phys addr"); - return (-1); + nl[0].n_name = "physaddr"; + if (kvm_nlist(kd, nl) != 0) { + _kvm_err(kd, kd->program, "couldn't get phys addr"); + return (-1); + } + physaddr = nl[0].n_value; } - physaddr = nl[0].n_value; nl[0].n_name = "kernel_l1pa"; if (kvm_nlist(kd, nl) != 0) { _kvm_err(kd, kd->program, "bad namelist"); @@ -212,7 +228,7 @@ _kvm_kvatop(kvm_t *kd, u_long va, off_t *pa) struct vmstate *vm = kd->vmst; pd_entry_t pd; pt_entry_t pte; - u_long pte_pa; + off_t pte_pa; if (kd->vmst->minidump) return (_kvm_minidump_kvatop(kd, va, pa)); @@ -228,7 +244,7 @@ _kvm_kvatop(kvm_t *kd, u_long va, off_t *pa) return (_kvm_pa2off(kd, *pa, pa, L1_S_SIZE)); } pte_pa = (pd & L1_ADDR_MASK) + l2pte_index(va) * sizeof(pte); - _kvm_pa2off(kd, pte_pa, (off_t *)&pte_pa, L1_S_SIZE); + _kvm_pa2off(kd, pte_pa, &pte_pa, L1_S_SIZE); if (lseek(kd->pmfd, pte_pa, 0) == -1) { _kvm_syserr(kd, kd->program, "_kvm_kvatop: lseek"); goto invalid; |