xref: /llvm-project/llvm/test/tools/llvm-objcopy/ELF/many-sections.test (revision 49c91a64fd375574970ed5d8c926f71425d18d76)
1*49c91a64SJames Henderson## Show that llvm-objcopy can handle an input file with many sections.
2*49c91a64SJames Henderson
31be91958SMartin StorsjoRUN: %python %p/../Inputs/ungzip.py %p/Inputs/many-sections.o.gz > %t
46e4dc6f2SAlexander ShaposhnikovRUN: llvm-objcopy %t %t2
5*49c91a64SJames HendersonRUN: llvm-readobj --file-headers --sections --symbols %t2 | FileCheck %s
6*49c91a64SJames HendersonRUN: llvm-readelf --symbols %t2 | FileCheck --check-prefix=SYMS %s
76e4dc6f2SAlexander Shaposhnikov
8*49c91a64SJames Henderson## The ELF header should have e_shnum == 0 and e_shstrndx == SHN_XINDEX.
9*49c91a64SJames Henderson# CHECK:        SectionHeaderCount: 0
10*49c91a64SJames Henderson# CHECK-NEXT:   StringTableSectionIndex: 65535
116e4dc6f2SAlexander Shaposhnikov
12*49c91a64SJames Henderson## The first section header should store the real section header count and
13*49c91a64SJames Henderson## shstrndx in its fields.
14*49c91a64SJames Henderson# CHECK:      Section {
15*49c91a64SJames Henderson# CHECK-NEXT:   Index: 0
16*49c91a64SJames Henderson# CHECK-NEXT:   Name:
17*49c91a64SJames Henderson# CHECK-NEXT:   Type: SHT_NULL
18*49c91a64SJames Henderson# CHECK-NEXT:   Flags [
19*49c91a64SJames Henderson# CHECK-NEXT:   ]
20*49c91a64SJames Henderson# CHECK-NEXT:   Address:
21*49c91a64SJames Henderson# CHECK-NEXT:   Offset:
22*49c91a64SJames Henderson# CHECK-NEXT:   Size: [[#SHNUM:]]
23*49c91a64SJames Henderson# CHECK-NEXT:   Link: [[#SHNUM-1]]
2488089fedSEugene Leviant
25*49c91a64SJames Henderson## Show that the .symtab_shndx section has the correct properties.
26*49c91a64SJames Henderson## To avoid accidentally capturing the index of an unrelated section header for
27*49c91a64SJames Henderson## checking the sh_link of the .symtab_shndx section, use the index of the
28*49c91a64SJames Henderson## section immediately following the symbol table.
29*49c91a64SJames Henderson# CHECK:        Name: .symtab
30*49c91a64SJames Henderson# CHECK-NEXT:   Type: SHT_SYMTAB
31*49c91a64SJames Henderson# CHECK:        Index: [[#AFTERSYMTAB:]]
32*49c91a64SJames Henderson# CHECK:        Name: .symtab_shndx
33*49c91a64SJames Henderson# CHECK-NEXT:   Type: SHT_SYMTAB_SHNDX
34*49c91a64SJames Henderson# CHECK-NEXT:   Flags [ (0x0)
35*49c91a64SJames Henderson# CHECK-NEXT:   ]
36*49c91a64SJames Henderson# CHECK-NEXT:   Address: 0x0
37*49c91a64SJames Henderson# CHECK-NEXT:   Offset:
38*49c91a64SJames Henderson## There should be #syms * EntrySize bytes.
39*49c91a64SJames Henderson# CHECK-NEXT:   Size: 262148
40*49c91a64SJames Henderson# CHECK-NEXT:   Link: [[#AFTERSYMTAB-1]]
41*49c91a64SJames Henderson# CHECK-NEXT:   Info: 0
42*49c91a64SJames Henderson# CHECK-NEXT:   AddressAlignment: 4
43*49c91a64SJames Henderson# CHECK-NEXT:   EntrySize: 4
44*49c91a64SJames Henderson## Show that the sh_link of the first section header is the section header table
45*49c91a64SJames Henderson## index. Also show that the last section is the .strtab.
46*49c91a64SJames Henderson# CHECK:        Index: [[#SHNUM-1]]
47*49c91a64SJames Henderson# CHECK-NEXT:   Name: .strtab
4888089fedSEugene Leviant
49*49c91a64SJames Henderson## Show that the symbols with section indexes around the reserved range still
50*49c91a64SJames Henderson## have the right section indexes afterwards.
51*49c91a64SJames Henderson# CHECK:         Section: s65279 (0xFEFF)
52*49c91a64SJames Henderson# CHECK-NEXT:  }
53*49c91a64SJames Henderson## st_shndx == SHN_LORSERVE.
54*49c91a64SJames Henderson# CHECK-NEXT:  Symbol {
55*49c91a64SJames Henderson# CHECK-NEXT:    Name: sym65280 (
56*49c91a64SJames Henderson# CHECK-NEXT:    Value: 0x0
57*49c91a64SJames Henderson# CHECK-NEXT:    Size: 0
58*49c91a64SJames Henderson# CHECK-NEXT:    Binding: Local (0x0)
59*49c91a64SJames Henderson# CHECK-NEXT:    Type: None (0x0)
60*49c91a64SJames Henderson# CHECK-NEXT:    Other: 0
61*49c91a64SJames Henderson# CHECK-NEXT:    Section: s65280 (0xFF00)
62*49c91a64SJames Henderson# CHECK-NEXT:  }
63*49c91a64SJames Henderson## st_shndx == SHN_ABS.
64*49c91a64SJames Henderson# CHECK:         Name: sym65521 (
65*49c91a64SJames Henderson# CHECK-NEXT:    Value: 0x0
66*49c91a64SJames Henderson# CHECK-NEXT:    Size: 0
67*49c91a64SJames Henderson# CHECK-NEXT:    Binding: Local (0x0)
68*49c91a64SJames Henderson# CHECK-NEXT:    Type: None (0x0)
69*49c91a64SJames Henderson# CHECK-NEXT:    Other: 0
70*49c91a64SJames Henderson# CHECK-NEXT:    Section: s65521 (0xFFF1)
71*49c91a64SJames Henderson# CHECK-NEXT:  }
72*49c91a64SJames Henderson## st_shndx == SHN_COMMON.
73*49c91a64SJames Henderson# CHECK-NEXT:  Symbol {
74*49c91a64SJames Henderson# CHECK-NEXT:    Name: sym65522 (
75*49c91a64SJames Henderson# CHECK-NEXT:    Value: 0x0
76*49c91a64SJames Henderson# CHECK-NEXT:    Size: 0
77*49c91a64SJames Henderson# CHECK-NEXT:    Binding: Local (0x0)
78*49c91a64SJames Henderson# CHECK-NEXT:    Type: None (0x0)
79*49c91a64SJames Henderson# CHECK-NEXT:    Other: 0
80*49c91a64SJames Henderson# CHECK-NEXT:    Section: s65522 (0xFFF2)
81*49c91a64SJames Henderson# CHECK-NEXT:  }
82*49c91a64SJames Henderson## st_shndx == SHN_XINDEX.
83*49c91a64SJames Henderson# CHECK:         Name: sym65535 (
84*49c91a64SJames Henderson# CHECK-NEXT:    Value: 0x0
85*49c91a64SJames Henderson# CHECK-NEXT:    Size: 0
86*49c91a64SJames Henderson# CHECK-NEXT:    Binding: Local (0x0)
87*49c91a64SJames Henderson# CHECK-NEXT:    Type: None (0x0)
88*49c91a64SJames Henderson# CHECK-NEXT:    Other: 0
89*49c91a64SJames Henderson# CHECK-NEXT:    Section: s65535 (0xFFFF)
90*49c91a64SJames Henderson# CHECK-NEXT:  }
91*49c91a64SJames Henderson## st_shndx > SHN_XINDEX.
92*49c91a64SJames Henderson# CHECK-NEXT:  Symbol {
93*49c91a64SJames Henderson# CHECK-NEXT:    Name: sym65536 (
94*49c91a64SJames Henderson# CHECK-NEXT:    Value: 0x0
95*49c91a64SJames Henderson# CHECK-NEXT:    Size: 0
96*49c91a64SJames Henderson# CHECK-NEXT:    Binding: Local (0x0)
97*49c91a64SJames Henderson# CHECK-NEXT:    Type: None (0x0)
98*49c91a64SJames Henderson# CHECK-NEXT:    Other: 0
99*49c91a64SJames Henderson# CHECK-NEXT:    Section: s65536 (0x10000)
100*49c91a64SJames Henderson# CHECK-NEXT:  }
101*49c91a64SJames Henderson
102*49c91a64SJames Henderson# SYMS: Symbol table '.symtab' contains 65537 entries
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